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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
committed by Matthias Clasen
parent 2143e799f4
commit fd8056b532
1 changed files with 2 additions and 0 deletions
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glib/gspawn.c
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@@ -1083,6 +1083,7 @@ do_exec (gint child_err_report_fd,
{
/* Keep process from blocking on a read of stdin */
gint read_null = open ("/dev/null", O_RDONLY);
g_assert (read_null != -1);
sane_dup2 (read_null, 0);
close_and_invalidate (&read_null);
}
@@ -1101,6 +1102,7 @@ do_exec (gint child_err_report_fd,
else if (stdout_to_null)
{
gint write_null = sane_open ("/dev/null", O_WRONLY);
g_assert (write_null != -1);
sane_dup2 (write_null, 1);
close_and_invalidate (&write_null);
}