Tcl Source Code: Check-in [8ff5cdf418]

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Overview

Comment:	Created branch core-8-0-2-synthetic
Downloads:	Tarball \| ZIP archive \| SQL archive
Timelines:	family \| ancestors \| core-8-0-2-synthetic \| core-8-0-2
Files:	files \| file ages \| folders
SHA1:	8ff5cdf418c32c02df18d1b756c3798fdc4de809
User & Date:	cvs2fossil 1998-04-29 17:09:47.000

Context

1998-04-29
17:09		Created branch core-8-0-2-synthetic Closed-Leaf check-in: 8ff5cdf418 user: cvs2fossil tags: core-8-0-2-synthetic, core-8-0-2
17:09		added call to TclpFinalize check-in: fd32610091 user: stanton tags: trunk

Changes

Changes to generic/tclEvent.c.

Added generic/tclInitScript.h.

Added generic/tclResolve.c.

Added mac/tclMacProjects.sea.hqx.

Added tests/autoMkindex.tcl.

Added tests/autoMkindex.test.

Added tests/ioUtil.test.

Added tests/remote.tcl.

Added tests/unixFile.test.

Added unix/mkLinks.tcl.

Added unix/tclXtNotify.c.

Added win/README.binary.

Added win/mkd.bat.

Added win/rmd.bat.

































































1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65	+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +	/* * tclInitScript.h -- * * This file contains Unix & Windows common init script * It is not used on the Mac. (the mac init script is in tclMacInit.c) * * Copyright (c) 1998 Sun Microsystems, Inc. * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * SCCS: %Z% $Id: tclInitScript.h,v 1.1 1998/06/27 22:11:40 welch Exp $ / / * The following string is the startup script executed in new * interpreters. It looks on disk in (way too many) different directories * for a script "init.tcl" that is compatible with this version * of Tcl. The init.tcl script does all of the real work of * initialization. / static char initScript[] = "if {[info proc tclInit]==\"\"} {\n\ proc tclInit {} {\n\ global tcl_library tcl_version tcl_patchLevel errorInfo\n\ global tcl_pkgPath\n\ rename tclInit {}\n\ set errors {}\n\ set dirs {}\n\ if {[info exists env(TCL_LIBRARY)]} {\n\ lappend dirs $env(TCL_LIBRARY)\n\ }\n\ lappend dirs $tcl_library\n\ set parentDir [file dirname [file dirname [info nameofexecutable]]]\n\ lappend dirs [file join $parentDir lib/tcl$tcl_version]\n\ if {[string match {[ab]*} $tcl_patchLevel]} {\n\ set lib tcl$tcl_patchLevel\n\ } else {\n\ set lib tcl$tcl_version\n\ }\n\ lappend dirs [file join [file dirname [file dirname [pwd]]] $lib/library]\n\ lappend dirs [file join [file dirname [pwd]] library]\n\ lappend dirs [file join [file dirname $parentDir] $lib/library]\n\ lappend dirs [file join $parentDir library]\n\ foreach i $dirs {\n\ set tcl_library $i\n\ set tclfile [file join $i init.tcl]\n\ if {[file exists $tclfile]} {\n\ if {![catch {uplevel #0 [list source $tclfile]} msg]} {\n\ lappend tcl_pkgPath [file dirname $i]\n\ return\n\ } else {\n\ append errors \"$tclfile: $msg\n$errorInfo\n\"\n\ }\n\ }\n\ }\n\ set msg \"Can't find a usable init.tcl in the following directories: \n\"\n\ append msg \" $dirs\n\n\"\n\ append msg \"$errors\n\n\"\n\ append msg \"This probably means that Tcl wasn't installed properly.\n\"\n\ error $msg\n\ }\n\ }\n\ tclInit";







































































































































































































































































































































































































































1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423	+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +	/* * tclResolve.c -- * * Contains hooks for customized command/variable name resolution * schemes. These hooks allow extensions like [incr Tcl] to add * their own name resolution rules to the Tcl language. Rules can * be applied to a particular namespace, to the interpreter as a * whole, or both. * * Copyright (c) 1998 Lucent Technologies, Inc. * * Originally implemented by * Michael J. McLennan * Bell Labs Innovations for Lucent Technologies * [email protected] * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * SCCS: %Z% $Id: tclResolve.c,v 1.1 1998/06/28 21:41:31 welch Exp $ / #include "tclInt.h" / * Declarations for procedures local to this file: / static void BumpCmdRefEpochs _ANSI_ARGS_((Namespace nsPtr)); /* ---------------------------------------------------------------------- * Tcl_AddInterpResolvers -- * * Adds a set of command/variable resolution procedures to an * interpreter. These procedures are consulted when commands * are resolved in Tcl_FindCommand, and when variables are * resolved in TclLookupVar and LookupCompiledLocal. Each * namespace may also have its own set of resolution procedures * which take precedence over those for the interpreter. * * When a name is resolved, it is handled as follows. First, * the name is passed to the resolution procedures for the * namespace. If not resolved, the name is passed to each of * the resolution procedures added to the interpreter. Finally, * if still not resolved, the name is handled using the default * Tcl rules for name resolution. * * Results: * Returns pointers to the current name resolution procedures * in the cmdProcPtr, varProcPtr and compiledVarProcPtr * arguments. * * Side effects: * If a compiledVarProc is specified, this procedure bumps the * compileEpoch for the interpreter, forcing all code to be * recompiled. If a cmdProc is specified, this procedure bumps * the cmdRefEpoch in all namespaces, forcing commands to be * resolved again using the new rules. * ---------------------------------------------------------------------- / void Tcl_AddInterpResolvers(interp, name, cmdProc, varProc, compiledVarProc) Tcl_Interp interp; / Interpreter whose name resolution * rules are being modified. / char name; /* Name of this resolution scheme. / Tcl_ResolveCmdProc cmdProc; /* New procedure for command * resolution / Tcl_ResolveVarProc varProc; /* Procedure for variable resolution * at runtime / Tcl_ResolveCompiledVarProc compiledVarProc; /* Procedure for variable resolution * at compile time. / { Interp iPtr = (Interp)interp; ResolverScheme resPtr; /* * Since we're adding a new name resolution scheme, we must force * all code to be recompiled to use the new scheme. If there * are new compiled variable resolution rules, bump the compiler * epoch to invalidate compiled code. If there are new command * resolution rules, bump the cmdRefEpoch in all namespaces. / if (compiledVarProc) { iPtr->compileEpoch++; } if (cmdProc) { BumpCmdRefEpochs(iPtr->globalNsPtr); } / * Look for an existing scheme with the given name. If found, * then replace its rules. / for (resPtr = iPtr->resolverPtr; resPtr != NULL; resPtr = resPtr->nextPtr) { if (name == resPtr->name && strcmp(name, resPtr->name) == 0) { resPtr->cmdResProc = cmdProc; resPtr->varResProc = varProc; resPtr->compiledVarResProc = compiledVarProc; return; } } / * Otherwise, this is a new scheme. Add it to the FRONT * of the linked list, so that it overrides existing schemes. / resPtr = (ResolverScheme ) ckalloc(sizeof(ResolverScheme)); resPtr->name = (char)ckalloc((unsigned)(strlen(name)+1)); strcpy(resPtr->name, name); resPtr->cmdResProc = cmdProc; resPtr->varResProc = varProc; resPtr->compiledVarResProc = compiledVarProc; resPtr->nextPtr = iPtr->resolverPtr; iPtr->resolverPtr = resPtr; } / ---------------------------------------------------------------------- * Tcl_GetInterpResolvers -- * * Looks for a set of command/variable resolution procedures with * the given name in an interpreter. These procedures are * registered by calling Tcl_AddInterpResolvers. * * Results: * If the name is recognized, this procedure returns non-zero, * along with pointers to the name resolution procedures in * the Tcl_ResolverInfo structure. If the name is not recognized, * this procedure returns zero. * * Side effects: * None. * ---------------------------------------------------------------------- / int Tcl_GetInterpResolvers(interp, name, resInfoPtr) Tcl_Interp interp; / Interpreter whose name resolution * rules are being queried. / char name; /* Look for a scheme with this name. / Tcl_ResolverInfo resInfoPtr; /* Returns pointers to the procedures, * if found / { Interp iPtr = (Interp)interp; ResolverScheme resPtr; /* * Look for an existing scheme with the given name. If found, * then return pointers to its procedures. / for (resPtr = iPtr->resolverPtr; resPtr != NULL; resPtr = resPtr->nextPtr) { if (name == resPtr->name && strcmp(name, resPtr->name) == 0) { resInfoPtr->cmdResProc = resPtr->cmdResProc; resInfoPtr->varResProc = resPtr->varResProc; resInfoPtr->compiledVarResProc = resPtr->compiledVarResProc; return 1; } } return 0; } / ---------------------------------------------------------------------- * Tcl_RemoveInterpResolvers -- * * Removes a set of command/variable resolution procedures * previously added by Tcl_AddInterpResolvers. The next time * a command/variable name is resolved, these procedures * won't be consulted. * * Results: * Returns non-zero if the name was recognized and the * resolution scheme was deleted. Returns zero otherwise. * * Side effects: * If a scheme with a compiledVarProc was deleted, this procedure * bumps the compileEpoch for the interpreter, forcing all code * to be recompiled. If a scheme with a cmdProc was deleted, * this procedure bumps the cmdRefEpoch in all namespaces, * forcing commands to be resolved again using the new rules. * ---------------------------------------------------------------------- / int Tcl_RemoveInterpResolvers(interp, name) Tcl_Interp interp; / Interpreter whose name resolution * rules are being modified. / char name; /* Name of the scheme to be removed. / { Interp iPtr = (Interp)interp; ResolverScheme prevPtrPtr, resPtr; /* * Look for an existing scheme with the given name. / prevPtrPtr = &iPtr->resolverPtr; for (resPtr = iPtr->resolverPtr; resPtr != NULL; resPtr = resPtr->nextPtr) { if (name == resPtr->name && strcmp(name, resPtr->name) == 0) { break; } prevPtrPtr = &resPtr->nextPtr; } / * If we found the scheme, delete it. / if (resPtr) { / * If we're deleting a scheme with compiled variable resolution * rules, bump the compiler epoch to invalidate compiled code. * If we're deleting a scheme with command resolution rules, * bump the cmdRefEpoch in all namespaces. / if (resPtr->compiledVarResProc) { iPtr->compileEpoch++; } if (resPtr->cmdResProc) { BumpCmdRefEpochs(iPtr->globalNsPtr); } prevPtrPtr = resPtr->nextPtr; ckfree(resPtr->name); ckfree((char ) resPtr); return 1; } return 0; } / ---------------------------------------------------------------------- * BumpCmdRefEpochs -- * * This procedure is used to bump the cmdRefEpoch counters in * the specified namespace and all of its child namespaces. * It is used whenever name resolution schemes are added/removed * from an interpreter, to invalidate all command references. * * Results: * None. * * Side effects: * Bumps the cmdRefEpoch in the specified namespace and its * children, recursively. * ---------------------------------------------------------------------- / static void BumpCmdRefEpochs(nsPtr) Namespace nsPtr; / Namespace being modified. / { Tcl_HashEntry entry; Tcl_HashSearch search; Namespace childNsPtr; nsPtr->cmdRefEpoch++; for (entry = Tcl_FirstHashEntry(&nsPtr->childTable, &search); entry != NULL; entry = Tcl_NextHashEntry(&search)) { childNsPtr = (Namespace ) Tcl_GetHashValue(entry); BumpCmdRefEpochs(childNsPtr); } } /* ---------------------------------------------------------------------- * Tcl_SetNamespaceResolvers -- * * Sets the command/variable resolution procedures for a namespace, * thereby changing the way that command/variable names are * interpreted. This allows extension writers to support different * name resolution schemes, such as those for object-oriented * packages. * * Command resolution is handled by a procedure of the following * type: * * typedef int (Tcl_ResolveCmdProc) _ANSI_ARGS_(( * Tcl_Interp* interp, char* name, Tcl_Namespace context, int flags, Tcl_Command rPtr)); * Whenever a command is executed or Tcl_FindCommand is invoked * within the namespace, this procedure is called to resolve the * command name. If this procedure is able to resolve the name, * it should return the status code TCL_OK, along with the * corresponding Tcl_Command in the rPtr argument. Otherwise, * the procedure can return TCL_CONTINUE, and the command will * be treated under the usual name resolution rules. Or, it can * return TCL_ERROR, and the command will be considered invalid. * * Variable resolution is handled by two procedures. The first * is called whenever a variable needs to be resolved at compile * time: * * typedef int (Tcl_ResolveCompiledVarProc) _ANSI_ARGS_(( * Tcl_Interp* interp, char* name, Tcl_Namespace context, Tcl_ResolvedVarInfo rPtr)); * If this procedure is able to resolve the name, it should return * the status code TCL_OK, along with variable resolution info in * the rPtr argument; this info will be used to set up compiled * locals in the call frame at runtime. The procedure may also * return TCL_CONTINUE, and the variable will be treated under * the usual name resolution rules. Or, it can return TCL_ERROR, * and the variable will be considered invalid. * * Another procedure is used whenever a variable needs to be * resolved at runtime but it is not recognized as a compiled local. * (For example, the variable may be requested via * Tcl_FindNamespaceVar.) This procedure has the following type: * * typedef int (Tcl_ResolveVarProc) _ANSI_ARGS_(( * Tcl_Interp* interp, char* name, Tcl_Namespace context, int flags, Tcl_Var rPtr)); * This procedure is quite similar to the compile-time version. * It returns the same status codes, but if variable resolution * succeeds, this procedure returns a Tcl_Var directly via the * rPtr argument. * * Results: * Nothing. * * Side effects: * Bumps the command epoch counter for the namespace, invalidating * all command references in that namespace. Also bumps the * resolver epoch counter for the namespace, forcing all code * in the namespace to be recompiled. * ---------------------------------------------------------------------- / void Tcl_SetNamespaceResolvers(namespacePtr, cmdProc, varProc, compiledVarProc) Tcl_Namespace namespacePtr; / Namespace whose resolution rules * are being modified. / Tcl_ResolveCmdProc cmdProc; /* Procedure for command resolution / Tcl_ResolveVarProc varProc; /* Procedure for variable resolution * at runtime / Tcl_ResolveCompiledVarProc compiledVarProc; /* Procedure for variable resolution * at compile time. / { Namespace nsPtr = (Namespace)namespacePtr; / * Plug in the new command resolver, and bump the epoch counters * so that all code will have to be recompiled and all commands * will have to be resolved again using the new policy. / nsPtr->cmdResProc = cmdProc; nsPtr->varResProc = varProc; nsPtr->compiledVarResProc = compiledVarProc; nsPtr->cmdRefEpoch++; nsPtr->resolverEpoch++; } / ---------------------------------------------------------------------- * Tcl_GetNamespaceResolvers -- * * Returns the current command/variable resolution procedures * for a namespace. By default, these procedures are NULL. * New procedures can be installed by calling * Tcl_SetNamespaceResolvers, to provide new name resolution * rules. * * Results: * Returns non-zero if any name resolution procedures have been * assigned to this namespace; also returns pointers to the * procedures in the Tcl_ResolverInfo structure. Returns zero * otherwise. * * Side effects: * None. * ---------------------------------------------------------------------- / int Tcl_GetNamespaceResolvers(namespacePtr, resInfoPtr) Tcl_Namespace namespacePtr; / Namespace whose resolution rules * are being modified. / Tcl_ResolverInfo resInfoPtr; /* Returns: pointers for all * name resolution procedures * assigned to this namespace. / { Namespace nsPtr = (Namespace*)namespacePtr; resInfoPtr->cmdResProc = nsPtr->cmdResProc; resInfoPtr->varResProc = nsPtr->varResProc; resInfoPtr->compiledVarResProc = nsPtr->compiledVarResProc; if (nsPtr->cmdResProc != NULL \|\| nsPtr->varResProc != NULL \|\| nsPtr->compiledVarResProc != NULL) { return 1; } return 0; }




















































1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52	+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +	# Test file for: # auto_mkindex # # This file provides example cases for testing the Tcl autoloading # facility. Things are much more complicated with namespaces and classes. # The "auto_mkindex" facility can no longer be built on top of a simple # regular expression parser. It must recognize constructs like this: # # namespace eval foo { # proc test {x y} { ... } # namespace eval bar { # proc another {args} { ... } # } # } # # Note that procedures and itcl class definitions can be nested inside # of namespaces. # # Copyright (c) 1993-1998 Lucent Technologies, Inc. # This shouldn't cause any problems namespace import -force blt::* # Should be able to handle "proc" definitions, even if they are # preceded by white space. proc normal {x y} {return [expr $x+$y]} proc indented {x y} {return [expr $x+$y]} # # Should be able to handle proc declarations within namespaces, # even if they have explicit namespace paths. # namespace eval buried { proc inside {args} {return "inside: $args"} namespace export pub_* proc pub_one {args} {return "one: $args"} proc pub_two {args} {return "two: $args"} } proc buried::within {args} {return "within: $args"} namespace eval buried { namespace eval under { proc neath {args} {return "neath: $args"} } namespace eval ::buried { proc relative {args} {return "relative: $args"} proc ::top {args} {return "top: $args"} proc ::buried::explicit {args} {return "explicit: $args"} } }























































1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55	+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +	# Commands covered: auto_mkindex auto_import # # This file contains tests related to autoloading and generating # the autoloading index. # # Copyright (c) 1998 Lucent Technologies, Inc. # # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # # SCCS: $Id: autoMkindex.test,v 1.1 1998/07/24 14:31:08 welch Exp $ if {[string compare test [info procs test]] == 1} then {source defs} test autoMkindex-1.1 {remove any existing tclIndex file} { file delete tclIndex file exists tclIndex } {0} test autoMkindex-1.2 {build tclIndex based on a test file} { auto_mkindex . autoMkindex.tcl file exists tclIndex } {1} set element "{source [file join . autoMkindex.tcl]}" test autoMkindex-1.3 {examine tclIndex} { namespace eval tcl_autoMkindex_tmp { set dir "." variable auto_index source tclIndex set result "" foreach elem [lsort [array names auto_index]] { lappend result [list $elem $auto_index($elem)] } set result } } "{::buried::explicit $element} {::buried::inside $element} {::buried::pub_one $element} {::buried::pub_two $element} {::buried::relative $element} {::buried::under::neath $element} {::buried::within $element} {indented $element} {normal $element} {top $element}" namespace delete tcl_autoMkindex_tmp test autoMkindex-2.1 {commands on the autoload path can be imported} { set interp [interp create] set final [$interp eval { namespace eval blt {} set auto_path [linsert $auto_path 0 .] set info [list [catch {namespace import buried::} result] $result] foreach name [lsort [info commands pub_]] { lappend info $name [namespace origin $name] } set info }] interp delete $interp set final } "0 {} pub_one ::buried::pub_one pub_two ::buried::pub_two"




































































































1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100	+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +	# This file (iOUtil.test) tests the hookable TclStat(), @@@TclAccess(), # and @@@Tcl_OpenFileChannel, routines in the file generic/tclIOUtils.c. # Sourcing this file into Tcl runs the tests and generates output for # errors. No output means no errors were found. # # Copyright (c) 1998 by Scriptics Corporation. # # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # # SCCS: %Z% $Id: ioUtil.test,v 1.1 1998/06/04 12:44:44 suresh Exp $ if {[string compare test [info procs test]] == 1} then {source defs} set unsetScript { catch {unset testStat1(size)} catch {unset testStat2(size)} catch {unset testStat3(size)} } test stat-1.1 {TclStat: Check that none of the test procs are there.} { catch {file stat testTclStat1%.fil testStat1} err1 catch {file stat testTclStat2%.fil testStat2} err2 catch {file stat testTclStat3%.fil testStat3} err3 list $err1 $err2 $err3 } {{couldn't stat "testTclStat1%.fil": no such file or directory} {couldn't stat "testTclStat2%.fil": no such file or directory} {couldn't stat "testTclStat3%.fil": no such file or directory}} test stat-1.2 {TclStatInsertProc: Insert the 3 test TclStat_ procedures.} { catch {testTclStat insert TclpStat} err1 testTclStat insert TestTclStatProc1 testTclStat insert TestTclStatProc2 testTclStat insert TestTclStatProc3 set err1 } {bad arg "insert": must be TestTclStatProc1, TestTclStatProc2, or TestTclStatProc3} test stat-1.3 {TclStat: Use "file stat ?" to invoke each procedure.} { file stat testTclStat2%.fil testStat2 file stat testTclStat1%.fil testStat1 file stat testTclStat3%.fil testStat3 list $testStat2(size) $testStat1(size) $testStat3(size) } {2345 1234 3456} eval $unsetScript test stat-1.4 {TclStatDeleteProc: "TclpStat" function should not be deletedable.} { catch {testTclStat delete TclpStat} err2 set err2 } {"TclpStat": could not be deleteed} test stat-1.5 {TclStatDeleteProc: Delete the 2nd TclStat procedure.} { # Delete the 2nd procedure and test that it longer exists but that # the others do actually return a result. testTclStat delete TestTclStatProc2 file stat testTclStat1%.fil testStat1 catch {file stat testTclStat2%.fil testStat2} err3 file stat testTclStat3%.fil testStat3 list $testStat1(size) $err3 $testStat3(size) } {1234 {couldn't stat "testTclStat2%.fil": no such file or directory} 3456} eval $unsetScript test stat-1.6 {TclStatDeleteProc: Delete the 1st TclStat procedure.} { # Next delete the 1st procedure and test that only the 3rd procedure # is the only one that exists. testTclStat delete TestTclStatProc1 catch {file stat testTclStat1%.fil testStat1} err4 catch {file stat testTclStat2%.fil testStat2} err5 file stat testTclStat3%.fil testStat3 list $err4 $err5 $testStat3(size) } {{couldn't stat "testTclStat1%.fil": no such file or directory} {couldn't stat "testTclStat2%.fil": no such file or directory} 3456} eval $unsetScript test stat-1.7 {TclStatDeleteProc: Delete the 3rd procedure & verify all are gone.} { # Finally delete the 3rd procedure and check that none of the # procedures exist. testTclStat delete TestTclStatProc3 catch {file stat testTclStat1%.fil testStat1} err6 catch {file stat testTclStat2%.fil testStat2} err7 catch {file stat testTclStat3%.fil testStat3} err8 list $err6 $err7 $err8 } {{couldn't stat "testTclStat1%.fil": no such file or directory} {couldn't stat "testTclStat2%.fil": no such file or directory} {couldn't stat "testTclStat3%.fil": no such file or directory}} eval $unsetScript test stat-1.8 {TclStatDeleteProc: Verify that all procs have been deleted.} { # Attempt to delete all the Stat procs. again to ensure they no longer # exist and an error is returned. catch {testTclStat delete TestTclStatProc1} err9 catch {testTclStat delete TestTclStatProc2} err10 catch {testTclStat delete TestTclStatProc3} err11 list $err9 $err10 $err11 } {{"TestTclStatProc1": could not be deleteed} {"TestTclStatProc2": could not be deleteed} {"TestTclStatProc3": could not be deleteed}} eval $unsetScript

































































































































































1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161	+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +	# This file contains Tcl code to implement a remote server that can be # used during testing of Tcl socket code. This server is used by some # of the tests in socket.test. # # Source this file in the remote server you are using to test Tcl against. # # Copyright (c) 1995-1996 Sun Microsystems, Inc. # # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # # @(#) remote.tcl 1.5 96/04/17 08:21:19" # Initialize message delimitor # Initialize command array catch {unset command} set command(0) "" set callerSocket "" # Detect whether we should print out connection messages etc. if {![info exists VERBOSE]} { set VERBOSE 0 } proc __doCommands__ {l s} { global callerSocket VERBOSE if {$VERBOSE} { puts "--- Server executing the following for socket $s:" puts $l puts "---" } set callerSocket $s if {[catch {uplevel #0 $l} msg]} { list error $msg } else { list success $msg } } proc __readAndExecute__ {s} { global command VERBOSE set l [gets $s] if {[string compare $l "--Marker--Marker--Marker--"] == 0} { if {[info exists command($s)]} { puts $s [list error incomplete_command] } puts $s "--Marker--Marker--Marker--" return } if {[string compare $l ""] == 0} { if {[eof $s]} { if {$VERBOSE} { puts "Server closing $s, eof from client" } close $s } return } append command($s) $l "\n" if {[info complete $command($s)]} { set cmds $command($s) unset command($s) puts $s [__doCommands__ $cmds $s] } if {[eof $s]} { if {$VERBOSE} { puts "Server closing $s, eof from client" } close $s } } proc __accept__ {s a p} { global VERBOSE if {$VERBOSE} { puts "Server accepts new connection from $a:$p on $s" } fileevent $s readable [list __readAndExecute__ $s] fconfigure $s -buffering line -translation crlf } set serverIsSilent 0 for {set i 0} {$i < $argc} {incr i} { if {[string compare -serverIsSilent [lindex $argv $i]] == 0} { set serverIsSilent 1 break } } if {![info exists serverPort]} { if {[info exists env(serverPort)]} { set serverPort $env(serverPort) } } if {![info exists serverPort]} { for {set i 0} {$i < $argc} {incr i} { if {[string compare -port [lindex $argv $i]] == 0} { if {$i < [expr $argc - 1]} { set serverPort [lindex $argv [expr $i + 1]] } break } } } if {![info exists serverPort]} { set serverPort 2048 } if {![info exists serverAddress]} { if {[info exists env(serverAddress)]} { set serverAddress $env(serverAddress) } } if {![info exists serverAddress]} { for {set i 0} {$i < $argc} {incr i} { if {[string compare -address [lindex $argv $i]] == 0} { if {$i < [expr $argc - 1]} { set serverAddress [lindex $argv [expr $i + 1]] } break } } } if {![info exists serverAddress]} { set serverAddress 0.0.0.0 } if {$serverIsSilent == 0} { set l "Remote server listening on port $serverPort, IP $serverAddress." puts "" puts $l for {set c [string length $l]} {$c > 0} {incr c -1} {puts -nonewline "-"} puts "" puts "" puts "You have set the Tcl variables serverAddress to $serverAddress and" puts "serverPort to $serverPort. You can set these with the -address and" puts "-port command line options, or as environment variables in your" puts "shell." puts "" puts "NOTE: The tests will not work properly if serverAddress is set to" puts "\"localhost\" or 127.0.0.1." puts "" puts "When you invoke tcltest to run the tests, set the variables" puts "remoteServerPort to $serverPort and remoteServerIP to" puts "[info hostname]. You can set these as environment variables" puts "from the shell. The tests will not work properly if you set" puts "remoteServerIP to \"localhost\" or 127.0.0.1." puts "" puts -nonewline "Type Ctrl-C to terminate--> " flush stdout } if {[catch {set serverSocket \ [socket -myaddr $serverAddress -server __accept__ $serverPort]} msg]} { puts "Server on $serverAddress:$serverPort cannot start: $msg" } else { vwait __server_wait_variable__ }


































































1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66	+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +	# This file contains tests for the routines in the file tclUnixFile.c # # This file contains a collection of tests for one or more of the Tcl # built-in commands. Sourcing this file into Tcl runs the tests and # generates output for errors. No output means no errors were found. # # Copyright (c) 1998 by Scriptics Corporation. # # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # # SCCS: %Z% $Id: unixFile.test,v 1.1 1998/06/17 18:16:41 stanton Exp $ if {[string compare test [info procs test]] == 1} then {source defs} if {[info commands testobj] == {}} { puts "This application hasn't been compiled with the \"testfindexecutable\"" puts "command, so I can't test the Tcl_FindExecutable function" return } if {$tcl_platform(platform) != "unix"} { return } set oldPath $env(PATH) close [open junk w] file attributes junk -perm 0777 set absPath [file join [pwd] junk] test unixFile-1.1 {Tcl_FindExecutable} { set env(PATH) "" testfindexecutable junk } $absPath test unixFile-1.2 {Tcl_FindExecutable} { set env(PATH) "/dummy" testfindexecutable junk } {} test unixFile-1.3 {Tcl_FindExecutable} { set env(PATH) "/dummy:[pwd]" testfindexecutable junk } $absPath test unixFile-1.4 {Tcl_FindExecutable} { set env(PATH) "/dummy:" testfindexecutable junk } $absPath test unixFile-1.5 {Tcl_FindExecutable} { set env(PATH) "/dummy:/dummy" testfindexecutable junk } {} test unixFile-1.6 {Tcl_FindExecutable} { set env(PATH) "/dummy::/dummy" testfindexecutable junk } $absPath test unixFile-1.7 {Tcl_FindExecutable} { set env(PATH) ":/dummy" testfindexecutable junk } $absPath set env(PATH) $oldPath file delete junk







































































1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71	+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +	#!/bin/sh # mkLinks.tcl -- # This generates the mkLinks script # \ exec tclsh "$0" ${1+"$@"} puts stdout \ {#!/bin/sh # This script is invoked when installing manual entries. It generates # additional links to manual entries, corresponding to the procedure # and command names described by the manual entry. For example, the # Tcl manual entry Hash.3 describes procedures Tcl_InitHashTable, # Tcl_CreateHashEntry, and many more. This script will make hard # links so that Tcl_InitHashTable.3, Tcl_CreateHashEntry.3, and so # on all refer to Hash.3 in the installed directory. # # Because of the length of command and procedure names, this mechanism # only works on machines that support file names longer than 14 characters. # This script checks to see if long file names are supported, and it # doesn't make any links if they are not. # # The script takes one argument, which is the name of the directory # where the manual entries have been installed. if test $# != 1; then echo "Usage: mkLinks dir" exit 1 fi cd $1 echo foo > xyzzyTestingAVeryLongFileName.foo x=`echo xyzzyTe` rm xyzzyTe if test "$x" != "xyzzyTestingAVeryLongFileName.foo"; then exit fi } foreach file $argv { set in [open $file] set tail [file tail $file] set ext [file extension $file] set state begin while {[gets $in line] >= 0} { switch $state { begin { if {[regexp "^.SH NAME" $line]} { set state name } } name { regsub {\\-.*} $line {} line foreach name [split $line ,] { regsub -all { } $name "" name if {[string compare $tail $name$ext] != 0} { puts "if test -r $tail; then" puts " rm -f $name$ext" puts " ln $tail $name$ext" puts "fi" } } set state end } end { break } } } close $in } puts "exit 0"
















































































































































































































































































































































































































































































































































































































































































1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656	+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +	/* * tclXtNotify.c -- * * This file contains the notifier driver implementation for the * Xt intrinsics. * * Copyright (c) 1997 by Sun Microsystems, Inc. * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * SCCS: @(#) tclXtNotify.c 1.10 97/09/15 13:24:21 / #include <X11/Intrinsic.h> #include <tclInt.h> / * This structure is used to keep track of the notifier info for a * a registered file. / typedef struct FileHandler { int fd; int mask; / Mask of desired events: TCL_READABLE, etc. / int readyMask; / Events that have been seen since the last time FileHandlerEventProc was called for this file. / XtInputId read; / Xt read callback handle. / XtInputId write; / Xt write callback handle. / XtInputId except; / Xt exception callback handle. / Tcl_FileProc proc; /* Procedure to call, in the style of * Tcl_CreateFileHandler. / ClientData clientData; / Argument to pass to proc. / struct FileHandler nextPtr;/* Next in list of all files we care about. / } FileHandler; / * The following structure is what is added to the Tcl event queue when * file handlers are ready to fire. / typedef struct FileHandlerEvent { Tcl_Event header; / Information that is standard for * all events. / int fd; / File descriptor that is ready. Used * to find the FileHandler structure for * the file (can't point directly to the * FileHandler structure because it could * go away while the event is queued). / } FileHandlerEvent; / * The following static structure contains the state information for the * Xt based implementation of the Tcl notifier. / static struct NotifierState { XtAppContext appContext; / The context used by the Xt * notifier. Can be set with * TclSetAppContext. / int appContextCreated; / Was it created by us? / XtIntervalId currentTimeout; / Handle of current timer. / FileHandler firstFileHandlerPtr; /* Pointer to head of file handler * list. / } notifier; / * The following static indicates whether this module has been initialized. / static int initialized = 0; / * Static routines defined in this file. / static int FileHandlerEventProc _ANSI_ARGS_((Tcl_Event evPtr, int flags)); static void FileProc _ANSI_ARGS_((caddr_t clientData, int source, XtInputId id)); static void InitNotifier _ANSI_ARGS_((void)); static void NotifierExitHandler _ANSI_ARGS_(( ClientData clientData)); static void TimerProc _ANSI_ARGS_((caddr_t clientData, XtIntervalId id)); / * Functions defined in this file for use by users of the Xt Notifier: / EXTERN XtAppContext TclSetAppContext _ANSI_ARGS_((XtAppContext ctx)); / ---------------------------------------------------------------------- * TclSetAppContext -- * * Set the notifier application context. * * Results: * None. * * Side effects: * Sets the application context used by the notifier. Panics if * the context is already set when called. * ---------------------------------------------------------------------- / XtAppContext TclSetAppContext(appContext) XtAppContext appContext; { if (!initialized) { InitNotifier(); } /* * If we already have a context we check whether we were asked to set a * new context. If so, we panic because we try to prevent switching * contexts by mistake. Otherwise, we return the one we have. / if (notifier.appContext != NULL) { if (appContext != NULL) { / * We already have a context. We do not allow switching contexts * after initialization, so we panic. / panic("TclSetAppContext: multiple application contexts"); } } else { / * If we get here we have not yet gotten a context, so either create * one or use the one supplied by our caller. / if (appContext == NULL) { / * We must create a new context and tell our caller what it is, so * she can use it too. / notifier.appContext = XtCreateApplicationContext(); notifier.appContextCreated = 1; } else { / * Otherwise we remember the context that our caller gave us * and use it. / notifier.appContextCreated = 0; notifier.appContext = appContext; } } return notifier.appContext; } / ---------------------------------------------------------------------- * InitNotifier -- * * Initializes the notifier state. * * Results: * None. * * Side effects: * Creates a new exit handler. * ---------------------------------------------------------------------- / static void InitNotifier(void) { /* * Only reinitialize if we are not in exit handling. The notifier * can get reinitialized after its own exit handler has run, because * of exit handlers for the I/O and timer sub-systems (order dependency). / if (TclInExit()) { return; } / * DO NOT create the application context yet; doing so would prevent * external applications from setting it for us to their own ones. / initialized = 1; memset(&notifier, 0, sizeof(notifier)); Tcl_CreateExitHandler(NotifierExitHandler, NULL); } / ---------------------------------------------------------------------- * NotifierExitHandler -- * * This function is called to cleanup the notifier state before * Tcl is unloaded. * * Results: * None. * * Side effects: * Destroys the notifier window. * ---------------------------------------------------------------------- / static void NotifierExitHandler( ClientData clientData) /* Not used. / { if (notifier.currentTimeout != 0) { XtRemoveTimeOut(notifier.currentTimeout); } for (; notifier.firstFileHandlerPtr != NULL; ) { Tcl_DeleteFileHandler(notifier.firstFileHandlerPtr->fd); } if (notifier.appContextCreated) { XtDestroyApplicationContext(notifier.appContext); notifier.appContextCreated = 0; notifier.appContext = NULL; } initialized = 0; } / ---------------------------------------------------------------------- * Tcl_SetTimer -- * * This procedure sets the current notifier timeout value. * * Results: * None. * * Side effects: * Replaces any previous timer. * ---------------------------------------------------------------------- / void Tcl_SetTimer(timePtr) Tcl_Time timePtr; / Timeout value, may be NULL. / { long timeout; if (!initialized) { InitNotifier(); } TclSetAppContext(NULL); if (notifier.currentTimeout != 0) { XtRemoveTimeOut(notifier.currentTimeout); } if (timePtr) { timeout = timePtr->sec 1000 + timePtr->usec / 1000; notifier.currentTimeout = XtAppAddTimeOut(notifier.appContext, (unsigned long) timeout, TimerProc, NULL); } else { notifier.currentTimeout = 0; } } /* ---------------------------------------------------------------------- * TimerProc -- * * This procedure is the XtTimerCallbackProc used to handle * timeouts. * * Results: * None. * * Side effects: * Processes all queued events. * ---------------------------------------------------------------------- / static void TimerProc(data, id) caddr_t data; /* Not used. / XtIntervalId id; { if (id != notifier.currentTimeout) { return; } notifier.currentTimeout = 0; Tcl_ServiceAll(); } / ---------------------------------------------------------------------- * Tcl_CreateFileHandler -- * * This procedure registers a file handler with the Xt notifier. * * Results: * None. * * Side effects: * Creates a new file handler structure and registers one or more * input procedures with Xt. * ---------------------------------------------------------------------- / void Tcl_CreateFileHandler(fd, mask, proc, clientData) int fd; /* Handle of stream to watch. / int mask; / OR'ed combination of TCL_READABLE, * TCL_WRITABLE, and TCL_EXCEPTION: * indicates conditions under which * proc should be called. / Tcl_FileProc proc; /* Procedure to call for each * selected event. / ClientData clientData; / Arbitrary data to pass to proc. / { FileHandler filePtr; if (!initialized) { InitNotifier(); } TclSetAppContext(NULL); for (filePtr = notifier.firstFileHandlerPtr; filePtr != NULL; filePtr = filePtr->nextPtr) { if (filePtr->fd == fd) { break; } } if (filePtr == NULL) { filePtr = (FileHandler) ckalloc(sizeof(FileHandler)); filePtr->fd = fd; filePtr->read = 0; filePtr->write = 0; filePtr->except = 0; filePtr->readyMask = 0; filePtr->mask = 0; filePtr->nextPtr = notifier.firstFileHandlerPtr; notifier.firstFileHandlerPtr = filePtr; } filePtr->proc = proc; filePtr->clientData = clientData; / * Register the file with the Xt notifier, if it hasn't been done yet. / if (mask & TCL_READABLE) { if (!(filePtr->mask & TCL_READABLE)) { filePtr->read = XtAppAddInput(notifier.appContext, fd, XtInputReadMask, FileProc, filePtr); } } else { if (filePtr->mask & TCL_READABLE) { XtRemoveInput(filePtr->read); } } if (mask & TCL_WRITABLE) { if (!(filePtr->mask & TCL_WRITABLE)) { filePtr->write = XtAppAddInput(notifier.appContext, fd, XtInputWriteMask, FileProc, filePtr); } } else { if (filePtr->mask & TCL_WRITABLE) { XtRemoveInput(filePtr->write); } } if (mask & TCL_EXCEPTION) { if (!(filePtr->mask & TCL_EXCEPTION)) { filePtr->except = XtAppAddInput(notifier.appContext, fd, XtInputExceptMask, FileProc, filePtr); } } else { if (filePtr->mask & TCL_EXCEPTION) { XtRemoveInput(filePtr->except); } } filePtr->mask = mask; } / ---------------------------------------------------------------------- * Tcl_DeleteFileHandler -- * * Cancel a previously-arranged callback arrangement for * a file. * * Results: * None. * * Side effects: * If a callback was previously registered on file, remove it. * ---------------------------------------------------------------------- / void Tcl_DeleteFileHandler(fd) int fd; /* Stream id for which to remove * callback procedure. / { FileHandler filePtr, prevPtr; if (!initialized) { InitNotifier(); } TclSetAppContext(NULL); / * Find the entry for the given file (and return if there * isn't one). / for (prevPtr = NULL, filePtr = notifier.firstFileHandlerPtr; ; prevPtr = filePtr, filePtr = filePtr->nextPtr) { if (filePtr == NULL) { return; } if (filePtr->fd == fd) { break; } } / * Clean up information in the callback record. / if (prevPtr == NULL) { notifier.firstFileHandlerPtr = filePtr->nextPtr; } else { prevPtr->nextPtr = filePtr->nextPtr; } if (filePtr->mask & TCL_READABLE) { XtRemoveInput(filePtr->read); } if (filePtr->mask & TCL_WRITABLE) { XtRemoveInput(filePtr->write); } if (filePtr->mask & TCL_EXCEPTION) { XtRemoveInput(filePtr->except); } ckfree((char ) filePtr); } /* ---------------------------------------------------------------------- * FileProc -- * * These procedures are called by Xt when a file becomes readable, * writable, or has an exception. * * Results: * None. * * Side effects: * Makes an entry on the Tcl event queue if the event is * interesting. * ---------------------------------------------------------------------- / static void FileProc(clientData, fd, id) caddr_t clientData; int fd; XtInputId id; { FileHandler filePtr = (FileHandler )clientData; FileHandlerEvent fileEvPtr; int mask = 0; / * Determine which event happened. / if (id == filePtr->read) { mask = TCL_READABLE; } else if (id == filePtr->write) { mask = TCL_WRITABLE; } else if (id == filePtr->except) { mask = TCL_EXCEPTION; } /* * Ignore unwanted or duplicate events. / if (!(filePtr->mask & mask) \|\| (filePtr->readyMask & mask)) { return; } / * This is an interesting event, so put it onto the event queue. / filePtr->readyMask \|= mask; fileEvPtr = (FileHandlerEvent ) ckalloc(sizeof(FileHandlerEvent)); fileEvPtr->header.proc = FileHandlerEventProc; fileEvPtr->fd = filePtr->fd; Tcl_QueueEvent((Tcl_Event ) fileEvPtr, TCL_QUEUE_TAIL); / * Process events on the Tcl event queue before returning to Xt. / Tcl_ServiceAll(); } / ---------------------------------------------------------------------- * FileHandlerEventProc -- * * This procedure is called by Tcl_ServiceEvent when a file event * reaches the front of the event queue. This procedure is * responsible for actually handling the event by invoking the * callback for the file handler. * * Results: * Returns 1 if the event was handled, meaning it should be removed * from the queue. Returns 0 if the event was not handled, meaning * it should stay on the queue. The only time the event isn't * handled is if the TCL_FILE_EVENTS flag bit isn't set. * * Side effects: * Whatever the file handler's callback procedure does. * ---------------------------------------------------------------------- / static int FileHandlerEventProc(evPtr, flags) Tcl_Event evPtr; / Event to service. / int flags; / Flags that indicate what events to * handle, such as TCL_FILE_EVENTS. / { FileHandler filePtr; FileHandlerEvent fileEvPtr = (FileHandlerEvent ) evPtr; int mask; if (!(flags & TCL_FILE_EVENTS)) { return 0; } /* * Search through the file handlers to find the one whose handle matches * the event. We do this rather than keeping a pointer to the file * handler directly in the event, so that the handler can be deleted * while the event is queued without leaving a dangling pointer. / for (filePtr = notifier.firstFileHandlerPtr; filePtr != NULL; filePtr = filePtr->nextPtr) { if (filePtr->fd != fileEvPtr->fd) { continue; } / * The code is tricky for two reasons: * 1. The file handler's desired events could have changed * since the time when the event was queued, so AND the * ready mask with the desired mask. * 2. The file could have been closed and re-opened since * the time when the event was queued. This is why the * ready mask is stored in the file handler rather than * the queued event: it will be zeroed when a new * file handler is created for the newly opened file. / mask = filePtr->readyMask & filePtr->mask; filePtr->readyMask = 0; if (mask != 0) { (filePtr->proc)(filePtr->clientData, mask); } break; } return 1; } /* ---------------------------------------------------------------------- * Tcl_WaitForEvent -- * * This function is called by Tcl_DoOneEvent to wait for new * events on the message queue. If the block time is 0, then * Tcl_WaitForEvent just polls without blocking. * * Results: * Returns 1 if an event was found, else 0. This ensures that * Tcl_DoOneEvent will return 1, even if the event is handled * by non-Tcl code. * * Side effects: * Queues file events that are detected by the select. * ---------------------------------------------------------------------- / int Tcl_WaitForEvent( Tcl_Time timePtr) / Maximum block time, or NULL. / { int timeout; if (!initialized) { InitNotifier(); } TclSetAppContext(NULL); if (timePtr) { timeout = timePtr->sec 1000 + timePtr->usec / 1000; if (timeout == 0) { if (XtAppPending(notifier.appContext)) { goto process; } else { return 0; } } else { Tcl_SetTimer(timePtr); } } process: XtAppProcessEvent(notifier.appContext, XtIMAll); return 1; }



















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