diff options
author | Neal H. Walfield <neal@gnu.org> | 2002-10-10 23:05:06 +0000 |
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committer | Neal H. Walfield <neal@gnu.org> | 2002-10-10 23:05:06 +0000 |
commit | 291996a60567617f17aeb5e96159290b1ba22340 (patch) | |
tree | 6ea49340f541fdfe5cdac36ba0949b8718fd1e0b /tests/test-8.c |
Import libpthread.
Diffstat (limited to 'tests/test-8.c')
-rw-r--r-- | tests/test-8.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/test-8.c b/tests/test-8.c new file mode 100644 index 00000000..85a7f8f6 --- /dev/null +++ b/tests/test-8.c @@ -0,0 +1,60 @@ +#define _GNU_SOURCE + +#include <pthread.h> +#include <assert.h> +#include <error.h> +#include <errno.h> + +#define THREADS 10 + +pthread_once_t inc_var_once = PTHREAD_ONCE_INIT; +int var; + +void +inc_var (void) +{ + var ++; +} + +void * +thr (void *arg) +{ + int i; + + for (i = 0; i < 500; i ++) + pthread_once (&inc_var_once, inc_var); + + return 0; +} + +int +main (int argc, char **argv) +{ + error_t err; + int i; + pthread_t tid[THREADS]; + + for (i = 0; i < THREADS; i ++) + { + err = pthread_create (&tid[i], 0, thr, 0); + if (err) + error (1, err, "pthread_create (%d)", i); + } + + assert (thr (0) == 0); + + for (i = 0; i < THREADS; i ++) + { + void *ret; + + err = pthread_join (tid[i], &ret); + if (err) + error (1, err, "pthread_join"); + + assert (ret == 0); + } + + assert (var == 1); + + return 0; +} |