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Overview
Comment: | Add another advantage (as formulated by Donald G Porter) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
83413b9bcffe1f47337a88dd8c741e42 |
User & Date: | jan.nijtmans 2018-04-25 11:33:15.052 |
Context
2018-05-02
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11:53 | TIP #491 now in voting check-in: f80463ea2a user: jan.nijtmans tags: trunk | |
2018-04-25
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11:33 | Add another advantage (as formulated by Donald G Porter) check-in: 83413b9bcf user: jan.nijtmans tags: trunk | |
2018-04-22
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15:56 | TIP #496 accepted 6/0/0: YES: 6 (Fellows, Griffin, Kenny, Landers, Nijtmans, Vogel). NO: -. PRESENT: -. check-in: db99228e7f user: fvogel tags: trunk | |
Changes
Changes to tip/491.md.
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28 29 30 31 32 33 34 35 36 37 38 39 40 41 | Further on, the nmake build system uses a different suffix, `t`, than the autoconf-based build system, a historical mistake that cannot be corrected in a patch release. Let's correct that in Tcl 8.7. A common misconception is that non-threaded builds are necessary to make `vfork()` and/or signals work correctly. That may have been true in the past, but not any more: `vfork()` works fine in threaded builds, the only caveat is that threads started before the vfork don't survive the fork. So, as long as new threads are created after doing the fork, everything should work fine. Applications like AOLserver use this already. # Proposal * Include the following snippet in `tcl.h`: <pre> #ifndef TCL\_THREADS # define TCL\_THREADS 1 | > > > > | 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | Further on, the nmake build system uses a different suffix, `t`, than the autoconf-based build system, a historical mistake that cannot be corrected in a patch release. Let's correct that in Tcl 8.7. A common misconception is that non-threaded builds are necessary to make `vfork()` and/or signals work correctly. That may have been true in the past, but not any more: `vfork()` works fine in threaded builds, the only caveat is that threads started before the vfork don't survive the fork. So, as long as new threads are created after doing the fork, everything should work fine. Applications like AOLserver use this already. If the developers of Tcl itself can count on threading facilities as part of the foundation, they can be free to use threads when useful in writing the code of the Tcl library itself, without being bound to also invent a thread-free version to cover the --disable-threads configuration. # Proposal * Include the following snippet in `tcl.h`: <pre> #ifndef TCL\_THREADS # define TCL\_THREADS 1 |
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