X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=src%2Fcoloredstderr.c;h=f1f2599927eb99130947afdd4f272ef86f9b305a;hb=8a65b4486febf00e3fad5bafc3773a811e675a4c;hp=064383ea545c90697fbc1f849ba301cc5799c494;hpb=733e149c1a48f5fcb5c90579c67af57f9df982ef;p=coloredstderr%2Fcoloredstderr.git

diff --git a/src/coloredstderr.c b/src/coloredstderr.c
index 064383e..f1f2599 100644
--- a/src/coloredstderr.c
+++ b/src/coloredstderr.c
@@ -2,7 +2,7 @@
  * Hook output functions (like printf(3)) with LD_PRELOAD to color stderr (or
  * other file descriptors).
  *
- * Copyright (C) 2013-2014  Simon Ruderich
+ * Copyright (C) 2013-2015  Simon Ruderich
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -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