From 291996a60567617f17aeb5e96159290b1ba22340 Mon Sep 17 00:00:00 2001 From: "Neal H. Walfield" Date: Thu, 10 Oct 2002 23:05:06 +0000 Subject: Import libpthread. --- tests/test-13.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 tests/test-13.c (limited to 'tests/test-13.c') diff --git a/tests/test-13.c b/tests/test-13.c new file mode 100644 index 00000000..13b09051 --- /dev/null +++ b/tests/test-13.c @@ -0,0 +1,66 @@ +/* Test condition attributes and pthread_cond_timedwait. */ + +#define _GNU_SOURCE + +#include +#include +#include +#include +#include +#include + +int +main (int argc, char **argv) +{ + error_t err; + int i; + pthread_condattr_t attr; + pthread_cond_t cond; + struct timespec ts; + pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; + struct timeval before, after; + int diff; + + err = pthread_condattr_init (&attr); + if (err) + error (1, err, "pthread_condattr_init"); + + err = pthread_condattr_getpshared (&attr, &i); + if (err) + error (1, err, "pthread_condattr_getpshared"); + assert (i == PTHREAD_PROCESS_PRIVATE); + + err = pthread_condattr_setpshared (&attr, PTHREAD_PROCESS_PRIVATE); + assert (err == 0); + + err = pthread_cond_init (&cond, &attr); + if (err) + error (1, err, "pthread_cond_init"); + + err = pthread_condattr_destroy (&attr); + if (err) + error (1, err, "pthread_condattr_destroy"); + + gettimeofday (&before, 0); + ts.tv_sec = before.tv_sec + 1; + ts.tv_nsec = before.tv_usec * 1000; + + printf ("Starting wait @ %d\n", (int) before.tv_sec); + + pthread_mutex_lock (&m); + err = pthread_cond_timedwait (&cond, &m, &ts); + + gettimeofday (&after, 0); + + printf ("End wait @ %d (err = %d)\n", (int) after.tv_sec, err); + + assert (err == ETIMEDOUT); + + diff = after.tv_sec * 1000000 + after.tv_usec + - before.tv_sec * 1000000 - before.tv_usec; + + if (diff < 900000 || diff > 1100000) + error (1, EGRATUITOUS, "pthread_cond_timedwait waited %d us", diff); + + return 0; +} -- cgit v1.2.3