114 lines
1.7 KiB
C++
114 lines
1.7 KiB
C++
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#include <pthread.h>
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#include <semaphore.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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static volatile bool destr_called;
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static volatile bool except_caught;
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static pthread_barrier_t b;
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struct monitor
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{
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// gcc is broken and would generate a warning without this dummy
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// constructor.
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monitor () { }
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~monitor() { destr_called = true; }
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};
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static void *
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tf (void *arg)
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{
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sem_t *s = static_cast<sem_t *> (arg);
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try
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{
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monitor m;
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pthread_barrier_wait (&b);
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while (1)
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sem_wait (s);
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}
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catch (...)
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{
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except_caught = true;
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throw;
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}
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return NULL;
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}
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static int
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do_test ()
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{
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if (pthread_barrier_init (&b, NULL, 2) != 0)
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{
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puts ("barrier_init failed");
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return 1;
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}
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sem_t s;
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if (sem_init (&s, 0, 0) != 0)
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{
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puts ("sem_init failed");
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return 1;
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}
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pthread_t th;
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if (pthread_create (&th, NULL, tf, &s) != 0)
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{
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puts ("pthread_create failed");
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return 1;
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}
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pthread_barrier_wait (&b);
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/* There is unfortunately no better method to try to assure the
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child thread reached the sem_wait call and is actually waiting
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than to sleep here. */
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sleep (1);
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if (pthread_cancel (th) != 0)
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{
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puts ("cancel failed");
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return 1;
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}
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void *res;
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if (pthread_join (th, &res) != 0)
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{
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puts ("join failed");
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return 1;
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}
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if (res != PTHREAD_CANCELED)
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{
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puts ("thread was not canceled");
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return 1;
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}
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if (! except_caught)
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{
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puts ("exception not caught");
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return 1;
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}
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if (! destr_called)
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{
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puts ("destructor not called");
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return 1;
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}
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#define TIMEOUT 3
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#include "../test-skeleton.c"
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