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gspawn: Abort if we can't open /dev/null

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This really "shouldn't happen", but if we have an assertion here, it
will help static analysis tools know we're not hitting undefined
state.
This commit is contained in:
Colin Walters 2012-06-21 15:37:39 -04:00
parent 7d622157f0
commit 01d8d43d0b
1 changed files with 2 additions and 0 deletions
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2
glib/gspawn.c
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@ -1099,6 +1099,7 @@ do_exec (gint child_err_report_fd,
{ {
/* Keep process from blocking on a read of stdin */ /* Keep process from blocking on a read of stdin */
gint read_null = open ("/dev/null", O_RDONLY); gint read_null = open ("/dev/null", O_RDONLY);
g_assert (read_null != -1);
sane_dup2 (read_null, 0); sane_dup2 (read_null, 0);
close_and_invalidate (&read_null); close_and_invalidate (&read_null);
} }
@ -1117,6 +1118,7 @@ do_exec (gint child_err_report_fd,
else if (stdout_to_null) else if (stdout_to_null)
{ {
gint write_null = sane_open ("/dev/null", O_WRONLY); gint write_null = sane_open ("/dev/null", O_WRONLY);
g_assert (write_null != -1);
sane_dup2 (write_null, 1); sane_dup2 (write_null, 1);
close_and_invalidate (&write_null); close_and_invalidate (&write_null);
} }