diff options
| author | Matthias Clasen <matthiasc@src.gnome.org> | 2007-12-29 05:18:58 +0000 |
|---|---|---|
| committer | Matthias Clasen <matthiasc@src.gnome.org> | 2007-12-29 05:18:58 +0000 |
| commit | fd2803670138d173c28f06ad57fd78a80dc4d977 (patch) | |
| tree | 8a149a8855dd4b7c8ae9ae6d3362eae4e4a7ab2d | |
| parent | 35f3f588aeffb19497c595022a3562ec4fe42d1f (diff) | |
Add a note on restrictions of child setup functions
svn path=/trunk/; revision=6208
| -rw-r--r-- | docs/reference/ChangeLog | 5 | ||||
| -rw-r--r-- | docs/reference/glib/tmpl/spawn.sgml | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/docs/reference/ChangeLog b/docs/reference/ChangeLog index 85f7b9eec..a1c4d9021 100644 --- a/docs/reference/ChangeLog +++ b/docs/reference/ChangeLog @@ -1,3 +1,8 @@ +2007-12-29 Matthias Clasen <mclasen@redhat.com> + + * glib/tmpl/spawn.sgml: Add a warning about allowed functions + between fork() and exec(). + 2007-12-24 Benjamin Otte <otte@gnome.org> * glib/tmpl/timers.sgml: Add a warning about g_thread_init diff --git a/docs/reference/glib/tmpl/spawn.sgml b/docs/reference/glib/tmpl/spawn.sgml index f4d6ef0c9..c744cee04 100644 --- a/docs/reference/glib/tmpl/spawn.sgml +++ b/docs/reference/glib/tmpl/spawn.sgml @@ -87,6 +87,12 @@ function will thus only affect the child, not the parent. </para> <para> +Note that POSIX allows only async-signal-safe functions (see signal(7)) +to be called in the child between fork() and exec(), which drastically +limits the usefulness of child setup functions. +</para> + +<para> On Windows the function is called in the parent. Its usefulness on Windows is thus questionable. In many cases executing the child setup function in the parent can have ill effects, and you should be very |