[src/trunk]: src/tests/lib/libexecinfo Prevent inlining of the main testcase ...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/732abf06ea36
branches:  trunk
changeset: 789357:732abf06ea36
user:      martin <martin%NetBSD.org@localhost>
date:      Fri Aug 16 11:57:15 2013 +0000

description:
Prevent inlining of the main testcase body function.
Do not mark the inner functions static, as they might get cloned then
(ending up being called "myfunc3.clone.3" instead of "myfunc").

diffstat:

 tests/lib/libexecinfo/t_backtrace.c |  20 ++++++++++++++------
 1 files changed, 14 insertions(+), 6 deletions(-)

diffs (71 lines):

diff -r 1e133b402bc4 -r 732abf06ea36 tests/lib/libexecinfo/t_backtrace.c
--- a/tests/lib/libexecinfo/t_backtrace.c       Fri Aug 16 10:29:32 2013 +0000
+++ b/tests/lib/libexecinfo/t_backtrace.c       Fri Aug 16 11:57:15 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_backtrace.c,v 1.9 2013/08/15 12:42:25 joerg Exp $    */
+/*     $NetBSD: t_backtrace.c,v 1.10 2013/08/16 11:57:15 martin Exp $  */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_backtrace.c,v 1.9 2013/08/15 12:42:25 joerg Exp $");
+__RCSID("$NetBSD: t_backtrace.c,v 1.10 2013/08/16 11:57:15 martin Exp $");
 
 #include <atf-c.h>
 #include <atf-c/config.h>
@@ -42,9 +42,14 @@
 #define __arraycount(a) (sizeof(a) / sizeof(a[0]))
 #endif
 
+void myfunc3(size_t ncalls);
+void myfunc2(size_t ncalls);
+void myfunc1(size_t origcalls, volatile size_t ncalls);
+void myfunc(size_t ncalls);
+
 volatile int prevent_inline;
 
-static void
+void
 myfunc3(size_t ncalls)
 {
        static const char *top[] = { "myfunc", "atfu_backtrace_fmt_basic_body",
@@ -90,7 +95,7 @@
                vfork();
 }
 
-static void
+void
 myfunc2(size_t ncalls)
 {
        myfunc3(ncalls);
@@ -99,7 +104,7 @@
                vfork();
 }
 
-static void
+void
 myfunc1(size_t origcalls, volatile size_t ncalls)
 {
        if (ncalls > 1)
@@ -111,7 +116,7 @@
                vfork();
 }
 
-static void
+void
 myfunc(size_t ncalls)
 {
        myfunc1(ncalls, ncalls);
@@ -129,6 +134,9 @@
 ATF_TC_BODY(backtrace_fmt_basic, tc)
 {
        myfunc(12);
+
+       if (prevent_inline)
+               vfork();
 }
 
 ATF_TP_ADD_TCS(tp)