Mercurial > hg > CbC > CbC_gcc
diff libgomp/testsuite/libgomp.c/single-1.c @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libgomp/testsuite/libgomp.c/single-1.c Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,53 @@ +/* Trivial test of single. */ + +/* { 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 int test; + +static void f_nocopy (void *dummy) +{ + if (GOMP_single_start ()) + { + int iam = omp_get_thread_num (); + int old = __sync_lock_test_and_set (&test, iam); + assert (old == -1); + } +} + +static void f_copy (void *dummy) +{ + int *x = GOMP_single_copy_start (); + if (x == NULL) + { + int iam = omp_get_thread_num (); + int old = __sync_lock_test_and_set (&test, iam); + assert (old == -1); + GOMP_single_copy_end (&test); + } + else + assert (x == &test); +} + +int main() +{ + omp_set_dynamic (0); + + test = -1; + GOMP_parallel_start (f_nocopy, NULL, 3); + f_nocopy (NULL); + GOMP_parallel_end (); + + test = -1; + GOMP_parallel_start (f_copy, NULL, 3); + f_copy (NULL); + GOMP_parallel_end (); + + return 0; +}