diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/pthread/count1.c')
-rw-r--r-- | winsup/testsuite/winsup.api/pthread/count1.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/pthread/count1.c b/winsup/testsuite/winsup.api/pthread/count1.c new file mode 100644 index 000000000..ae30ed0a2 --- /dev/null +++ b/winsup/testsuite/winsup.api/pthread/count1.c @@ -0,0 +1,62 @@ +/* + * count1.c + * + * Description: + * Test some basic assertions about the number of threads at runtime. + */ + +#include "test.h" + +#if ! defined (__MINGW32__) || defined (__MSVCRT__) +#define NUMTHREADS (60) +#else +#define NUMTHREADS (59) +#endif + +static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; +static pthread_t threads[NUMTHREADS]; +static unsigned numThreads = 0; + +void * +myfunc(void *arg) +{ + pthread_mutex_lock(&lock); + numThreads++; + pthread_mutex_unlock(&lock); + + Sleep(1000); + return 0; +} +int +main() +{ + int i; + int maxThreads = sizeof(threads) / sizeof(pthread_t); + + /* + * Spawn NUMTHREADS threads. Each thread should increment the + * numThreads variable, sleep for one second. + */ + for (i = 0; i < maxThreads; i++) + { + assert(pthread_create(&threads[i], NULL, myfunc, 0) == 0); + } + + /* + * Wait for all the threads to exit. + */ + for (i = 0; i < maxThreads; i++) + { + assert(pthread_join(threads[i], NULL) == 0); + } + + /* + * Check the number of threads created. + */ + assert((int) numThreads == maxThreads); + + /* + * Success. + */ + return 0; +} |