Author: sewardj
Date: 2007-11-30 11:22:35 +0000 (Fri, 30 Nov 2007)
New Revision: 7254
Log:
Add a test case for semaphores with nonzero initial values.
Added:
trunk/helgrind/tests/tc24_nonzero_sem.c
trunk/helgrind/tests/tc24_nonzero_sem.stderr.exp-glibc25-amd64
trunk/helgrind/tests/tc24_nonzero_sem.stdout.exp
trunk/helgrind/tests/tc24_nonzero_sem.vgtest
Modified:
trunk/helgrind/tests/Makefile.am
Modified: trunk/helgrind/tests/Makefile.am
===================================================================
--- trunk/helgrind/tests/Makefile.am 2007-11-30 11:11:02 UTC (rev 7253)
+++ trunk/helgrind/tests/Makefile.am 2007-11-30 11:22:35 UTC (rev 7254)
@@ -81,7 +81,9 @@
tc22_exit_w_lock.stderr.exp-glibc25-x86 \
tc23_bogus_condwait.vgtest tc23_bogus_condwait.stdout.exp \
tc23_bogus_condwait.stderr.exp-glibc25-amd64 \
- tc23_bogus_condwait.stderr.exp-glibc25-x86
+ tc23_bogus_condwait.stderr.exp-glibc25-x86 \
+ tc24_nonzero_sem.vgtest tc24_nonzero_sem.stdout.exp \
+ tc24_nonzero_sem.stderr.exp-glibc25-amd64
check_PROGRAMS = \
hg01_all_ok \
@@ -112,7 +114,8 @@
tc20_verifywrap \
tc21_pthonce \
tc22_exit_w_lock \
- tc23_bogus_condwait
+ tc23_bogus_condwait \
+ tc24_nonzero_sem
AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/include \
-I$(top_srcdir)/coregrind -I$(top_builddir)/include \
Added: trunk/helgrind/tests/tc24_nonzero_sem.c
===================================================================
--- trunk/helgrind/tests/tc24_nonzero_sem.c (rev 0)
+++ trunk/helgrind/tests/tc24_nonzero_sem.c 2007-11-30 11:22:35 UTC (rev
7254)
@@ -0,0 +1,41 @@
+
+/* Check that Helgrind does not complain about semaphores with a
+ nonzero initial value, when said semaphores are correctly used.
+ Also useful for generating VCG of simple semaphore activity, for
+ inspection. */
+
+#include <pthread.h>
+#include <semaphore.h>
+#include <assert.h>
+
+#define N_THREADS 3
+
+void* child_fn ( void* semV )
+{
+ int r;
+ sem_t* sem = (sem_t*)semV;
+ r= sem_wait(sem); assert(!r);
+ return NULL;
+}
+
+int main ( void )
+{
+ int r, i;
+ sem_t sem;
+ pthread_t child[N_THREADS];
+
+ r= sem_init(&sem, 0, N_THREADS); assert(!r);
+
+ for (i = 0; i < N_THREADS; i++) {
+ r= pthread_create( &child[i], NULL, child_fn, (void*)&sem );
+ assert(!r);
+ }
+
+ for (i = 0; i < N_THREADS; i++) {
+ r= pthread_join( child[i], NULL );
+ assert(!r);
+ }
+
+ sem_destroy(&sem);
+ return 0;
+}
Added: trunk/helgrind/tests/tc24_nonzero_sem.stderr.exp-glibc25-amd64
===================================================================
--- trunk/helgrind/tests/tc24_nonzero_sem.stderr.exp-glibc25-amd64
(rev 0)
+++ trunk/helgrind/tests/tc24_nonzero_sem.stderr.exp-glibc25-amd64
2007-11-30 11:22:35 UTC (rev 7254)
@@ -0,0 +1,3 @@
+
+
+ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
Added: trunk/helgrind/tests/tc24_nonzero_sem.stdout.exp
===================================================================
Added: trunk/helgrind/tests/tc24_nonzero_sem.vgtest
===================================================================
--- trunk/helgrind/tests/tc24_nonzero_sem.vgtest
(rev 0)
+++ trunk/helgrind/tests/tc24_nonzero_sem.vgtest 2007-11-30 11:22:35 UTC
(rev 7254)
@@ -0,0 +1,2 @@
+prog: tc24_nonzero_sem
+vgopts: --hg-sanity-flags=111111
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