From: Mike Frysinger <vapier@gentoo.org>
Date: Mon, 11 Aug 2014 05:31:09 +0000 (-0400)
Subject: set_ptracer_any: add a little documentation
X-Git-Tag: v4.9~13
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6673ac74dc998fe3070276ddb9c242f1f913c944;p=strace

set_ptracer_any: add a little documentation

This way I don't have to keep reading up on these options and wondering
why the code isn't aborting when the call fails.

* tests/set_ptracer_any.c (main): Note prctl failures are ok.
---

diff --git a/tests/set_ptracer_any.c b/tests/set_ptracer_any.c
index 7254a07f..dbd53372 100644
--- a/tests/set_ptracer_any.c
+++ b/tests/set_ptracer_any.c
@@ -12,6 +12,8 @@ int main(int argc, char **argv)
 	if (argc < 2)
 		return 99;
 #if defined HAVE_PRCTL && defined PR_SET_PTRACER && defined PR_SET_PTRACER_ANY
+	/* Turn off restrictions on tracing if applicable.  If the options
+	 * aren't available on this system, that's OK too.  */
 	(void) prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY);
 #endif
 	if (write(1, "\n", 1) != 1) {