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gspawn: Reset signal handlers for synchronous spawning

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We should by default reset signal handlers; particularly with the
ability to install them via g_unix_signal_source_new(), we don't
want to call a user callback inside a fork()ed helper process.

https://bugzilla.gnome.org/show_bug.cgi?id=652072
This commit is contained in:
Colin Walters 2011-06-10 10:48:07 -04:00
parent b9c67b4369
commit 1874ad97d8
1 changed files with 6 additions and 0 deletions
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6
glib/gspawn.c
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@ -1238,6 +1238,12 @@ fork_exec_with_pipes (gboolean intermediate_child,
/* Immediate child. This may or may not be the child that
* actually execs the new process.
*/
/* Reset some signal handlers that we may use */
signal (SIGCHLD, SIG_DFL);
signal (SIGINT, SIG_DFL);
signal (SIGTERM, SIG_DFL);
signal (SIGHUP, SIG_DFL);
/* Be sure we crash if the parent exits
* and we write to the err_report_pipe