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Add a note on restrictions of child setup functions

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svn path=/trunk/; revision=6208
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Matthias Clasen 2007-12-29 05:18:58 +00:00
parent 35f3f588ae
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2 changed files with 11 additions and 0 deletions
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docs/reference/ChangeLog
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@ -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

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docs/reference/glib/tmpl/spawn.sgml
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@ -86,6 +86,12 @@ to perform but before calling exec(). On POSIX actions taken in this
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