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vfork(): fix incorrect comment

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Simon Ruderich
2014-11-15 18:35:05 +01:00
parent 3e894f0f32
commit 3676d3f21f
1 changed files with 6 additions and 5 deletions
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11
src/coloredstderr.c
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@@ -534,11 +534,12 @@ pid_t vfork(void) {
* isn't allowed to perform any memory-modifications before the exec()
* (except the pid_t result variable of vfork()).
*
* As some programs don't adhere to the standard (e.g. the "child" closes
* or dups a descriptor before the exec()) and this breaks our tracking of
* file descriptors (e.g. it gets closed in the parent as well), we just
* fork() instead. This is in compliance with the POSIX standard and as
* most systems use copy-on-write anyway not a performance issue. */
* As we have to store changes to the file descriptors in memory (e.g. the
* "child" closes or dups a descriptor before the exec()) and this
* modifies the parent as well due to the semantics of vfork() - thus
* breaking the requirements of vfork(), we just use fork instead(). This
* is in compliance with the POSIX standard and as most systems use
* copy-on-write anyway not a performance issue. */
return fork();
}
#endif