/* Whether to print debugging messages. */
#define ENABLE_DEBUGGING 0
-/* Number of simultaneous threads. */
-#define THREAD_COUNT 16
-
-/* Number of operations performed in each thread. */
-#define REPEAT_COUNT 50000
-
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "glthread/tls.h"
#include "glthread/thread.h"
+#include "glthread/lock.h"
#include "glthread/yield.h"
#if HAVE_DECL_ALARM
/* ----------------------- Test thread-local storage ----------------------- */
+/* Number of simultaneous threads. */
+#define THREAD_COUNT 16
+
+/* Number of operations performed in each thread. */
+#define REPEAT_COUNT 50000
+
#define KEYS_COUNT 4
static gl_tls_key_t mykeys[KEYS_COUNT];
}
}
+#undef KEYS_COUNT
+#undef REPEAT_COUNT
+#undef THREAD_COUNT
+
+
+/* --------------- Test thread-local storage with destructors --------------- */
+
+/* Number of simultaneous threads. */
+#define THREAD_COUNT 10
+
+/* Number of keys to allocate in each thread. */
+#define KEYS_COUNT 10
+
+gl_lock_define_initialized(static, sumlock)
+static uintptr_t sum;
+
+static void
+inc_sum (uintptr_t value)
+{
+ gl_lock_lock (sumlock);
+ sum += value;
+ gl_lock_unlock (sumlock);
+}
+
+static void
+destructor0 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 0)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void
+destructor1 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 1)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void
+destructor2 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 2)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void
+destructor3 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 3)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void
+destructor4 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 4)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void
+destructor5 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 5)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void
+destructor6 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 6)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void
+destructor7 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 7)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void
+destructor8 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 8)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void
+destructor9 (void *value)
+{
+ if ((((uintptr_t) value - 1) % 10) != 9)
+ abort ();
+ inc_sum ((uintptr_t) value);
+}
+
+static void (*destructor_table[10]) (void *) =
+ {
+ destructor0,
+ destructor1,
+ destructor2,
+ destructor3,
+ destructor4,
+ destructor5,
+ destructor6,
+ destructor7,
+ destructor8,
+ destructor9
+ };
+
+static gl_tls_key_t dtorcheck_keys[THREAD_COUNT][KEYS_COUNT];
+
+/* Worker thread that uses destructors that verify that the destructor belongs
+ to the right thread. */
+static void *
+dtorcheck1_thread (void *arg)
+{
+ unsigned int id = (unsigned int) (uintptr_t) arg;
+ gl_tls_key_t *keys = dtorcheck_keys[id]; /* an array of KEYS_COUNT keys */
+ int i;
+
+ for (i = 0; i < KEYS_COUNT; i++)
+ gl_tls_key_init (keys[i], destructor_table[i]);
+
+ for (i = 0; i < KEYS_COUNT; i++)
+ gl_tls_set (keys[i], (void *) (uintptr_t) (10 * id + i + 1));
+
+ return NULL;
+}
+
+static void
+test_tls_dtorcheck1 (void)
+{
+ gl_thread_t threads[THREAD_COUNT];
+ unsigned int id;
+ int i;
+ uintptr_t expected_sum;
+
+ sum = 0;
+
+ /* Spawn the threads. */
+ for (id = 0; id < THREAD_COUNT; id++)
+ threads[id] = gl_thread_create (dtorcheck1_thread, (void *) (uintptr_t) id);
+
+ /* Wait for the threads to terminate. */
+ for (id = 0; id < THREAD_COUNT; id++)
+ gl_thread_join (threads[id], NULL);
+
+ /* Clean up the keys. */
+ for (id = 0; id < THREAD_COUNT; id++)
+ for (i = 0; i < KEYS_COUNT; i++)
+ gl_tls_key_destroy (dtorcheck_keys[id][i]);
+
+ /* Check that the destructor was invoked for each key. */
+ expected_sum = 10 * KEYS_COUNT * (THREAD_COUNT * (THREAD_COUNT - 1) / 2)
+ + THREAD_COUNT * (KEYS_COUNT * (KEYS_COUNT - 1) / 2)
+ + THREAD_COUNT * KEYS_COUNT;
+ if (sum != expected_sum)
+ abort ();
+}
+
+/* Worker thread that uses destructors that verify that the destructor belongs
+ to the right key allocated within the thread. */
+static void *
+dtorcheck2_thread (void *arg)
+{
+ unsigned int id = (unsigned int) (uintptr_t) arg;
+ gl_tls_key_t *keys = dtorcheck_keys[id]; /* an array of KEYS_COUNT keys */
+ int i;
+
+ for (i = 0; i < KEYS_COUNT; i++)
+ gl_tls_key_init (keys[i], destructor_table[id]);
+
+ for (i = 0; i < KEYS_COUNT; i++)
+ gl_tls_set (keys[i], (void *) (uintptr_t) (10 * i + id + 1));
+
+ return NULL;
+}
+
+static void
+test_tls_dtorcheck2 (void)
+{
+ gl_thread_t threads[THREAD_COUNT];
+ unsigned int id;
+ int i;
+ uintptr_t expected_sum;
+
+ sum = 0;
+
+ /* Spawn the threads. */
+ for (id = 0; id < THREAD_COUNT; id++)
+ threads[id] = gl_thread_create (dtorcheck2_thread, (void *) (uintptr_t) id);
+
+ /* Wait for the threads to terminate. */
+ for (id = 0; id < THREAD_COUNT; id++)
+ gl_thread_join (threads[id], NULL);
+
+ /* Clean up the keys. */
+ for (id = 0; id < THREAD_COUNT; id++)
+ for (i = 0; i < KEYS_COUNT; i++)
+ gl_tls_key_destroy (dtorcheck_keys[id][i]);
+
+ /* Check that the destructor was invoked for each key. */
+ expected_sum = 10 * THREAD_COUNT * (KEYS_COUNT * (KEYS_COUNT - 1) / 2)
+ + KEYS_COUNT * (THREAD_COUNT * (THREAD_COUNT - 1) / 2)
+ + THREAD_COUNT * KEYS_COUNT;
+ if (sum != expected_sum)
+ abort ();
+}
+
+#undef KEYS_COUNT
+#undef THREAD_COUNT
+
+
+/* --- Test thread-local storage with with races between init and destroy --- */
+
+/* Number of simultaneous threads. */
+#define THREAD_COUNT 10
+
+/* Number of keys to allocate in each thread. */
+#define KEYS_COUNT 10
+
+/* Number of times to destroy and reallocate a key in each thread. */
+#define REPEAT_COUNT 100000
+
+static gl_tls_key_t racecheck_keys[THREAD_COUNT][KEYS_COUNT];
+
+/* Worker thread that does many destructions and reallocations of keys, and also
+ uses destructors that verify that the destructor belongs to the right key. */
+static void *
+racecheck_thread (void *arg)
+{
+ unsigned int id = (unsigned int) (uintptr_t) arg;
+ gl_tls_key_t *keys = racecheck_keys[id]; /* an array of KEYS_COUNT keys */
+ int repeat;
+ int i;
+
+ dbgprintf ("Worker %p started\n", gl_thread_self_pointer ());
+
+ for (i = 0; i < KEYS_COUNT; i++)
+ {
+ gl_tls_key_init (keys[i], destructor_table[i]);
+ gl_tls_set (keys[i], (void *) (uintptr_t) (10 * id + i + 1));
+ }
+
+ for (repeat = REPEAT_COUNT; repeat > 0; repeat--)
+ {
+ i = ((unsigned int) rand () >> 3) % KEYS_COUNT;
+ dbgprintf ("Worker %p reallocating key %d\n", gl_thread_self_pointer (), i);
+ gl_tls_key_destroy (keys[i]);
+ gl_tls_key_init (keys[i], destructor_table[i]);
+ gl_tls_set (keys[i], (void *) (uintptr_t) (10 * id + i + 1));
+ }
+
+ dbgprintf ("Worker %p dying.\n", gl_thread_self_pointer ());
+ return NULL;
+}
+
+static void
+test_tls_racecheck (void)
+{
+ gl_thread_t threads[THREAD_COUNT];
+ unsigned int id;
+ int i;
+ uintptr_t expected_sum;
+
+ sum = 0;
+
+ /* Spawn the threads. */
+ for (id = 0; id < THREAD_COUNT; id++)
+ threads[id] = gl_thread_create (racecheck_thread, (void *) (uintptr_t) id);
+
+ /* Wait for the threads to terminate. */
+ for (id = 0; id < THREAD_COUNT; id++)
+ gl_thread_join (threads[id], NULL);
+
+ /* Clean up the keys. */
+ for (id = 0; id < THREAD_COUNT; id++)
+ for (i = 0; i < KEYS_COUNT; i++)
+ gl_tls_key_destroy (racecheck_keys[id][i]);
+
+ /* Check that the destructor was invoked for each key. */
+ expected_sum = 10 * KEYS_COUNT * (THREAD_COUNT * (THREAD_COUNT - 1) / 2)
+ + THREAD_COUNT * (KEYS_COUNT * (KEYS_COUNT - 1) / 2)
+ + THREAD_COUNT * KEYS_COUNT;
+ if (sum != expected_sum)
+ abort ();
+}
+
+#undef REPEAT_COUNT
+#undef KEYS_COUNT
+#undef THREAD_COUNT
+
/* -------------------------------------------------------------------------- */
test_tls ();
printf (" OK\n"); fflush (stdout);
+ printf ("Starting test_tls_dtorcheck1 ..."); fflush (stdout);
+ test_tls_dtorcheck1 ();
+ printf (" OK\n"); fflush (stdout);
+
+ printf ("Starting test_tls_dtorcheck2 ..."); fflush (stdout);
+ test_tls_dtorcheck2 ();
+ printf (" OK\n"); fflush (stdout);
+
+ /* This test hangs with the mingw-w64 winpthreads. */
+#if (defined _WIN32 && ! defined __CYGWIN__) && TEST_POSIX_THREADS
+ fputs ("Skipping test: it is known to hang with the mingw-w64 winpthreads.\n",
+ stderr);
+ exit (77);
+#else
+ printf ("Starting test_tls_racecheck ..."); fflush (stdout);
+ test_tls_racecheck ();
+ printf (" OK\n"); fflush (stdout);
+#endif
+
return 0;
}