aboutsummaryrefslogtreecommitdiff
path: root/nptl/tst-robust8.c
diff options
context:
space:
mode:
Diffstat (limited to 'nptl/tst-robust8.c')
-rw-r--r--nptl/tst-robust8.c275
1 files changed, 0 insertions, 275 deletions
diff --git a/nptl/tst-robust8.c b/nptl/tst-robust8.c
deleted file mode 100644
index 9c636250d4..0000000000
--- a/nptl/tst-robust8.c
+++ /dev/null
@@ -1,275 +0,0 @@
-#include <pthread.h>
-#include <signal.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <sys/wait.h>
-
-
-
-
-static void prepare (void);
-#define PREPARE(argc, argv) prepare ()
-static int do_test (void);
-#define TEST_FUNCTION do_test ()
-#define TIMEOUT 5
-#include "../test-skeleton.c"
-
-
-static int fd;
-#define N 100
-
-static void
-prepare (void)
-{
- fd = create_temp_file ("tst-robust8", NULL);
- if (fd == -1)
- exit (1);
-}
-
-
-#define THESIGNAL SIGKILL
-#define ROUNDS 5
-#define THREADS 9
-
-
-static const struct timespec before = { 0, 0 };
-
-
-static pthread_mutex_t *map;
-
-
-static void *
-tf (void *arg)
-{
- long int nr = (long int) arg;
- int fct = nr % 3;
-
- uint8_t state[N];
- memset (state, '\0', sizeof (state));
-
- while (1)
- {
- int r = random () % N;
- if (state[r] == 0)
- {
- int e;
-
- switch (fct)
- {
- case 0:
- e = pthread_mutex_lock (&map[r]);
- if (e != 0)
- {
- printf ("mutex_lock of %d in thread %ld failed with %d\n",
- r, nr, e);
- exit (1);
- }
- state[r] = 1;
- break;
- case 1:
- e = pthread_mutex_timedlock (&map[r], &before);
- if (e != 0 && e != ETIMEDOUT)
- {
- printf ("\
-mutex_timedlock of %d in thread %ld failed with %d\n",
- r, nr, e);
- exit (1);
- }
- break;
- default:
- e = pthread_mutex_trylock (&map[r]);
- if (e != 0 && e != EBUSY)
- {
- printf ("mutex_trylock of %d in thread %ld failed with %d\n",
- r, nr, e);
- exit (1);
- }
- break;
- }
-
- if (e == EOWNERDEAD)
- pthread_mutex_consistent_np (&map[r]);
-
- if (e == 0 || e == EOWNERDEAD)
- state[r] = 1;
- }
- else
- {
- int e = pthread_mutex_unlock (&map[r]);
- if (e != 0)
- {
- printf ("mutex_unlock of %d in thread %ld failed with %d\n",
- r, nr, e);
- exit (1);
- }
-
- state[r] = 0;
- }
- }
-}
-
-
-static void
-child (int round)
-{
- for (int thread = 1; thread <= THREADS; ++thread)
- {
- pthread_t th;
- if (pthread_create (&th, NULL, tf, (void *) (long int) thread) != 0)
- {
- printf ("cannot create thread %d in round %d\n", thread, round);
- exit (1);
- }
- }
-
- struct timespec ts;
- ts.tv_sec = 0;
- ts.tv_nsec = 1000000000 / ROUNDS;
- while (nanosleep (&ts, &ts) != 0)
- /* nothing */;
-
- /* Time to die. */
- kill (getpid (), THESIGNAL);
-
- /* We better never get here. */
- abort ();
-}
-
-
-static int
-do_test (void)
-{
- if (ftruncate (fd, N * sizeof (pthread_mutex_t)) != 0)
- {
- puts ("cannot size new file");
- return 1;
- }
-
- map = mmap (NULL, N * sizeof (pthread_mutex_t), PROT_READ | PROT_WRITE,
- MAP_SHARED, fd, 0);
- if (map == MAP_FAILED)
- {
- puts ("mapping failed");
- return 1;
- }
-
- pthread_mutexattr_t ma;
- if (pthread_mutexattr_init (&ma) != 0)
- {
- puts ("mutexattr_init failed");
- return 0;
- }
- if (pthread_mutexattr_setrobust_np (&ma, PTHREAD_MUTEX_ROBUST_NP) != 0)
- {
- puts ("mutexattr_setrobust failed");
- return 1;
- }
- if (pthread_mutexattr_setpshared (&ma, PTHREAD_PROCESS_SHARED) != 0)
- {
- puts ("mutexattr_setpshared failed");
- return 1;
- }
-#ifdef ENABLE_PI
- if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_INHERIT) != 0)
- {
- puts ("pthread_mutexattr_setprotocol failed");
- return 1;
- }
-#endif
-
- for (int round = 1; round <= ROUNDS; ++round)
- {
- for (int n = 0; n < N; ++n)
- {
- int e = pthread_mutex_init (&map[n], &ma);
- if (e == ENOTSUP)
- {
-#ifdef ENABLE_PI
- puts ("cannot support pshared robust PI mutexes");
-#else
- puts ("cannot support pshared robust mutexes");
-#endif
- return 0;
- }
- if (e != 0)
- {
- printf ("mutex_init %d in round %d failed\n", n + 1, round);
- return 1;
- }
- }
-
- pid_t p = fork ();
- if (p == -1)
- {
- printf ("fork in round %d failed\n", round);
- return 1;
- }
- if (p == 0)
- child (round);
-
- int status;
- if (TEMP_FAILURE_RETRY (waitpid (p, &status, 0)) != p)
- {
- printf ("waitpid in round %d failed\n", round);
- return 1;
- }
- if (!WIFSIGNALED (status))
- {
- printf ("child did not die of a signal in round %d\n", round);
- return 1;
- }
- if (WTERMSIG (status) != THESIGNAL)
- {
- printf ("child did not die of signal %d in round %d\n",
- THESIGNAL, round);
- return 1;
- }
-
- for (int n = 0; n < N; ++n)
- {
- int e = pthread_mutex_lock (&map[n]);
- if (e != 0 && e != EOWNERDEAD)
- {
- printf ("mutex_lock %d failed in round %d\n", n + 1, round);
- return 1;
- }
- }
-
- for (int n = 0; n < N; ++n)
- if (pthread_mutex_unlock (&map[n]) != 0)
- {
- printf ("mutex_unlock %d failed in round %d\n", n + 1, round);
- return 1;
- }
-
- for (int n = 0; n < N; ++n)
- {
- int e = pthread_mutex_destroy (&map[n]);
- if (e != 0)
- {
- printf ("mutex_destroy %d in round %d failed with %d\n",
- n + 1, round, e);
- printf("nusers = %d\n", (int) map[n].__data.__nusers);
- return 1;
- }
- }
- }
-
- if (pthread_mutexattr_destroy (&ma) != 0)
- {
- puts ("mutexattr_destroy failed");
- return 1;
- }
-
- if (munmap (map, N * sizeof (pthread_mutex_t)) != 0)
- {
- puts ("munmap failed");
- return 1;
- }
-
- return 0;
-}