Added pth_process_shared_mutex regression test.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@9398

drd/tests/Makefile.am

@@ -110,6 +110,8 @@ EXTRA_DIST =                                        \
 	pth_inconsistent_cond_wait.stderr.exp1      \
 	pth_inconsistent_cond_wait.stderr.exp2      \
 	pth_inconsistent_cond_wait.vgtest           \
+	pth_process_shared_mutex.vgtest             \
+	pth_process_shared_mutex.c                  \
 	pth_spinlock.stderr.exp                     \
 	pth_spinlock.vgtest                         \
 	qt4_mutex.stderr.exp                        \
@@ -211,6 +213,7 @@ check_PROGRAMS =      \
   pth_create_chain    \
   pth_detached        \
   pth_detached_sem    \
+  pth_process_shared_mutex   \
   pth_inconsistent_cond_wait \
   recursive_mutex     \
   rwlock_race         \

drd/tests/pth_process_shared_mutex.c

@@ -0,0 +1,30 @@
+/*
+ * Test program that locks and unlocks a process-shared mutex.
+ * See also https://bugs.kde.org/show_bug.cgi?id=187048.
+ */
+
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <pthread.h>
+
+
+int main()
+{
+  pthread_mutex_t mutex;
+  pthread_mutexattr_t attr;
+
+  pthread_mutexattr_init(&attr);
+  pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
+  pthread_mutex_init(&mutex, &attr);
+  pthread_mutexattr_destroy(&attr);
+
+  pthread_mutex_lock(&mutex);
+  pthread_mutex_unlock(&mutex);
+  pthread_mutex_destroy(&mutex);
+
+  fprintf(stderr, "Finished.\n");
+
+  return 0;
+}

drd/tests/pth_process_shared_mutex.stderr.exp

@@ -0,0 +1,4 @@
+
+Finished.
+
+ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)

drd/tests/pth_process_shared_mutex.vgtest

@@ -0,0 +1,3 @@
+prereq: ./supported_libpthread
+prog: pth_process_shared_mutex
+vgopts: --var-info=yes --check-stack-var=yes