diff options
Diffstat (limited to 'libgomp/testsuite/libgomp.c/sections-1.c')
-rw-r--r-- | libgomp/testsuite/libgomp.c/sections-1.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/sections-1.c b/libgomp/testsuite/libgomp.c/sections-1.c new file mode 100644 index 000000000..3a6584cb7 --- /dev/null +++ b/libgomp/testsuite/libgomp.c/sections-1.c @@ -0,0 +1,85 @@ +/* Test that all sections are touched. */ + +/* { dg-require-effective-target sync_int_long } */ + +#include <omp.h> +#include <string.h> +#include <assert.h> +#include "libgomp_g.h" + + +#define N 100 +static int data[N]; +static int NTHR; + +static void clean_data (void) +{ + memset (data, -1, sizeof (data)); +} + +static void test_data (void) +{ + int i; + + for (i = 0; i < N; ++i) + assert (data[i] != -1); +} + +static void set_data (unsigned i, int val) +{ + int old; + assert (i >= 1 && i <= N); + old = __sync_lock_test_and_set (data+i-1, val); + assert (old == -1); +} + + +static void f_1 (void *dummy) +{ + int iam = omp_get_thread_num (); + unsigned long s; + + for (s = GOMP_sections_start (N); s ; s = GOMP_sections_next ()) + set_data (s, iam); + GOMP_sections_end (); +} + +static void test_1 (void) +{ + clean_data (); + GOMP_parallel_start (f_1, NULL, NTHR); + f_1 (NULL); + GOMP_parallel_end (); + test_data (); +} + +static void f_2 (void *dummy) +{ + int iam = omp_get_thread_num (); + unsigned s; + + while ((s = GOMP_sections_next ())) + set_data (s, iam); + GOMP_sections_end_nowait (); +} + +static void test_2 (void) +{ + clean_data (); + GOMP_parallel_sections_start (f_2, NULL, NTHR, N); + f_2 (NULL); + GOMP_parallel_end (); + test_data (); +} + +int main() +{ + omp_set_dynamic (0); + + NTHR = 4; + + test_1 (); + test_2 (); + + return 0; +} |