Mercurial > hg > CbC > CbC_gcc
view libgomp/testsuite/libgomp.c/critical-1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | a06113de4d67 |
children |
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/* Trivial test of critical sections. */ /* { dg-require-effective-target sync_int_long } */ #include <omp.h> #include <sys/time.h> #include <unistd.h> #include <assert.h> #include "libgomp_g.h" static volatile int test = -1; static void function(void *dummy) { int iam = omp_get_thread_num (); int old; GOMP_critical_start (); old = __sync_lock_test_and_set (&test, iam); assert (old == -1); usleep (10); test = -1; GOMP_critical_end (); } int main() { omp_set_dynamic (0); GOMP_parallel_start (function, NULL, 3); function (NULL); GOMP_parallel_end (); return 0; }