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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-02-16 14:30:17 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-02-16 14:43:54 +0000
commita25077a431758b30aa60103945fe70811e8207ef (patch)
treec4d0fd554de8697c129b937c359f07a0f2a6af28 /sysdeps/pthread/tst-robust9.c
parentf640c4231df53aecd5880b4a172981e633de2718 (diff)
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pthread: Move robust mutex tests from nptl to sysdeps/pthread
tst-robust8.c prints some mutex internals for nptl debugging, this
needed to be made conditioned by getting built with nptl.
Diffstat (limited to 'sysdeps/pthread/tst-robust9.c')
-rw-r--r--sysdeps/pthread/tst-robust9.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-robust9.c b/sysdeps/pthread/tst-robust9.c
new file mode 100644
index 0000000000..befc14f2d8
--- /dev/null
+++ b/sysdeps/pthread/tst-robust9.c
@@ -0,0 +1,93 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+
+static pthread_mutex_t m;
+
+static void *
+tf (void *data)
+{
+  int err = pthread_mutex_lock (&m);
+  if (err == EOWNERDEAD)
+    {
+      err = pthread_mutex_consistent_np (&m);
+      if (err)
+	{
+	  puts ("pthread_mutex_consistent_np");
+	  exit (1);
+	}
+    }
+  else if (err)
+    {
+      puts ("pthread_mutex_lock");
+      exit (1);
+    }
+  printf ("thread%ld got the lock.\n", (long int) data);
+  sleep (1);
+  /* exit without unlock */
+  return NULL;
+}
+
+static int
+do_test (void)
+{
+  int err, i;
+  pthread_t t[3];
+  pthread_mutexattr_t ma;
+
+  pthread_mutexattr_init (&ma);
+  err = pthread_mutexattr_setrobust_np (&ma, PTHREAD_MUTEX_ROBUST_NP);
+  if (err)
+    {
+      puts ("pthread_mutexattr_setrobust_np");
+      return 1;
+    }
+#ifdef ENABLE_PI
+  if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_INHERIT) != 0)
+    {
+      puts ("pthread_mutexattr_setprotocol failed");
+      return 1;
+    }
+#endif
+  err = pthread_mutex_init (&m, &ma);
+#ifdef ENABLE_PI
+  if (err == ENOTSUP)
+    {
+      puts ("PI robust mutexes not supported");
+      return 0;
+    }
+#endif
+  if (err)
+    {
+      puts ("pthread_mutex_init");
+      return 1;
+    }
+
+  for (i = 0; i < sizeof (t) / sizeof (t[0]); i++)
+    {
+      err = pthread_create (&t[i], NULL, tf, (void *) (long int) i);
+      if (err)
+	{
+	  puts ("pthread_create");
+	  return 1;
+	}
+    }
+
+  for (i = 0; i < sizeof (t) / sizeof (t[0]); i++)
+    {
+      err = pthread_join (t[i], NULL);
+      if (err)
+	{
+	  puts ("pthread_join");
+	  return 1;
+	}
+    }
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"