Tcl Source Code

	Tcl_IncrRefCount(split);
	if (pobjc == 0) {
	    errno = ENOENT;
	    errfile = objv[i];
	    break;
	}
	for (j = 0; j < pobjc; j++) {


	    target = Tcl_FSJoinPath(split, j + 1);
	    Tcl_IncrRefCount(target);



	    /*
	     * Call Tcl_FSStat() so that if target is a symlink that points to
	     * a directory we will create subdirectories in that directory.
	     */

	    if (Tcl_FSStat(target, &statBuf) == 0) {
................................................................................
	    } else if (Tcl_FSCreateDirectory(target) != TCL_OK) {
		/*
		 * Create might have failed because of being in a race
		 * condition with another process trying to create the same
		 * subdirectory.
		 */

		if (errno != EEXIST) {
		    errfile = target;
		    goto done;
		} else if ((Tcl_FSStat(target, &statBuf) == 0)
			&& S_ISDIR(statBuf.st_mode)) {
		    /*
		     * It is a directory that wasn't there before, so keep
		     * going without error.
		     */

		    Tcl_ResetResult(interp);
		} else {
		    errfile = target;
		    goto done;
		}
	    }



	    /*
	     * Forget about this sub-path.
	     */

	    Tcl_DecrRefCount(target);
	    target = NULL;
	}

	Tcl_IncrRefCount(split);
	if (pobjc == 0) {
	    errno = ENOENT;
	    errfile = objv[i];
	    break;
	}
	for (j = 0; j < pobjc; j++) {
	    int errCount = 2;

	    target = Tcl_FSJoinPath(split, j + 1);
	    Tcl_IncrRefCount(target);

	createDir:

	    /*
	     * Call Tcl_FSStat() so that if target is a symlink that points to
	     * a directory we will create subdirectories in that directory.
	     */

	    if (Tcl_FSStat(target, &statBuf) == 0) {
................................................................................
	    } else if (Tcl_FSCreateDirectory(target) != TCL_OK) {
		/*
		 * Create might have failed because of being in a race
		 * condition with another process trying to create the same
		 * subdirectory.
		 */

		if (errno == EEXIST) {
		    /* Be aware other workers could delete it immediately after
		     * creation, so give this worker still one chance (repeat once),
		     * see [270f78ca95] for description of the race-condition.
		     * Don't repeat the create always (to avoid endless loop). */
		    if (--errCount > 0) {
			goto createDir;
		    }
		    /* Already tried, with delete in-between directly after
		     * creation, so just continue (assume created successful). */
		    goto nextPart;
		}

		/* return with error */
		errfile = target;
		goto done;
	    }

	nextPart:
	    /*
	     * Forget about this sub-path.
	     */

	    Tcl_DecrRefCount(target);
	    target = NULL;
	}