From: Simon Ruderich <simon@ruderich.org>
Date: Sat, 15 Nov 2014 17:35:05 +0000 (+0100)
Subject: vfork(): fix incorrect comment
X-Git-Url: https://ruderich.org/simon/gitweb/?p=coloredstderr%2Fcoloredstderr.git;a=commitdiff_plain;h=3676d3f21f0e1e2e59cd2fcafc64acccd3782ef9

vfork(): fix incorrect comment
---

diff --git a/src/coloredstderr.c b/src/coloredstderr.c
index 064383e..fd83b15 100644
--- a/src/coloredstderr.c
+++ b/src/coloredstderr.c
@@ -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