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-rw-r--r--rt/tst-timer4.c624
1 files changed, 624 insertions, 0 deletions
diff --git a/rt/tst-timer4.c b/rt/tst-timer4.c
new file mode 100644
index 0000000000..5665492800
--- /dev/null
+++ b/rt/tst-timer4.c
@@ -0,0 +1,624 @@
+/* Tests for POSIX timer implementation.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2004
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+#if _POSIX_THREADS
+# include <pthread.h>
+
+pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+
+timer_t timer_none, timer_sig1, timer_sig2, timer_thr1, timer_thr2;
+
+int thr1_cnt, thr1_err;
+union sigval thr1_sigval;
+struct timespec thr1_ts;
+
+static void
+thr1 (union sigval sigval)
+{
+ pthread_mutex_lock (&lock);
+ thr1_err = clock_gettime (CLOCK_REALTIME, &thr1_ts);
+ if (thr1_cnt >= 5)
+ {
+ struct itimerspec it = { };
+ thr1_err |= timer_settime (timer_thr1, 0, &it, NULL);
+ }
+ thr1_sigval = sigval;
+ ++thr1_cnt;
+ pthread_cond_signal (&cond);
+ pthread_mutex_unlock (&lock);
+}
+
+int thr2_cnt, thr2_err;
+union sigval thr2_sigval;
+size_t thr2_guardsize;
+struct timespec thr2_ts;
+
+static void
+thr2 (union sigval sigval)
+{
+ pthread_attr_t nattr;
+ int err = 0;
+ size_t guardsize = -1;
+ int ret = pthread_getattr_np (pthread_self (), &nattr);
+ if (ret)
+ {
+ errno = ret;
+ printf ("pthread_getattr_np failed: %m\n");
+ err = 1;
+ }
+ else
+ {
+ ret = pthread_attr_getguardsize (&nattr, &guardsize);
+ if (ret)
+ {
+ errno = ret;
+ printf ("pthread_attr_getguardsize failed: %m\n");
+ err = 1;
+ }
+ if (pthread_attr_destroy (&nattr) != 0)
+ {
+ puts ("pthread_attr_destroy failed");
+ err = 1;
+ }
+ }
+ pthread_mutex_lock (&lock);
+ thr2_err = clock_gettime (CLOCK_REALTIME, &thr2_ts) | err;
+ if (thr2_cnt >= 5)
+ {
+ struct itimerspec it = { };
+ thr2_err |= timer_settime (timer_thr2, 0, &it, NULL);
+ }
+ thr2_sigval = sigval;
+ ++thr2_cnt;
+ thr2_guardsize = guardsize;
+ pthread_cond_signal (&cond);
+ pthread_mutex_unlock (&lock);
+}
+
+volatile int sig1_cnt, sig1_err;
+volatile union sigval sig1_sigval;
+struct timespec sig1_ts;
+
+static void
+sig1_handler (int sig, siginfo_t *info, void *ctx)
+{
+ int err = 0;
+ if (sig != SIGRTMIN) err |= 1 << 0;
+ if (info->si_signo != SIGRTMIN) err |= 1 << 1;
+ if (info->si_code != SI_TIMER) err |= 1 << 2;
+ if (clock_gettime (CLOCK_REALTIME, &sig1_ts) != 0)
+ err |= 1 << 3;
+ if (sig1_cnt >= 5)
+ {
+ struct itimerspec it = { };
+ if (timer_settime (timer_sig1, 0, &it, NULL))
+ err |= 1 << 4;
+ }
+ sig1_err |= err;
+ sig1_sigval = info->si_value;
+ ++sig1_cnt;
+}
+
+volatile int sig2_cnt, sig2_err;
+volatile union sigval sig2_sigval;
+struct timespec sig2_ts;
+
+static void
+sig2_handler (int sig, siginfo_t *info, void *ctx)
+{
+ int err = 0;
+ if (sig != SIGRTMIN + 1) err |= 1 << 0;
+ if (info->si_signo != SIGRTMIN + 1) err |= 1 << 1;
+ if (info->si_code != SI_TIMER) err |= 1 << 2;
+ if (clock_gettime (CLOCK_REALTIME, &sig2_ts) != 0)
+ err |= 1 << 3;
+ if (sig2_cnt >= 5)
+ {
+ struct itimerspec it = { };
+ if (timer_settime (timer_sig2, 0, &it, NULL))
+ err |= 1 << 4;
+ }
+ sig2_err |= err;
+ sig2_sigval = info->si_value;
+ ++sig2_cnt;
+}
+
+/* Check if end is later or equal to start + nsec. */
+static int
+check_ts (const char *name, const struct timespec *start,
+ const struct timespec *end, long msec)
+{
+ struct timespec ts = *start;
+
+ ts.tv_sec += msec / 1000000;
+ ts.tv_nsec += (msec % 1000000) * 1000;
+ if (ts.tv_nsec >= 1000000000)
+ {
+ ++ts.tv_sec;
+ ts.tv_nsec -= 1000000000;
+ }
+ if (end->tv_sec < ts.tv_sec
+ || (end->tv_sec == ts.tv_sec && end->tv_nsec < ts.tv_nsec))
+ {
+ printf ("timer %s invoked too soon: %ld.%09ld instead of expected %ld.%09ld\n",
+ name, (long) end->tv_sec, end->tv_nsec,
+ (long) ts.tv_sec, ts.tv_nsec);
+ return 1;
+ }
+ else
+ return 0;
+}
+
+#define TIMEOUT 15
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+ int result = 0;
+
+ struct timespec ts;
+ if (clock_gettime (CLOCK_REALTIME, &ts) != 0)
+ {
+ printf ("clock_gettime failed: %m\n");
+ result = 1;
+ }
+ else
+ printf ("clock_gettime returned timespec = { %ld, %ld }\n",
+ (long) ts.tv_sec, ts.tv_nsec);
+
+ if (clock_getres (CLOCK_REALTIME, &ts) != 0)
+ {
+ printf ("clock_getres failed: %m\n");
+ result = 1;
+ }
+ else
+ printf ("clock_getres returned timespec = { %ld, %ld }\n",
+ (long) ts.tv_sec, ts.tv_nsec);
+
+ struct sigevent ev;
+ memset (&ev, 0x11, sizeof (ev));
+ ev.sigev_notify = SIGEV_NONE;
+ if (timer_create (CLOCK_REALTIME, &ev, &timer_none) != 0)
+ {
+ printf ("timer_create for timer_none failed: %m\n");
+ result = 1;
+ }
+
+ struct sigaction sa = { .sa_sigaction = sig1_handler,
+ .sa_flags = SA_SIGINFO };
+ sigemptyset (&sa.sa_mask);
+ sigaction (SIGRTMIN, &sa, NULL);
+ sa.sa_sigaction = sig2_handler;
+ sigaction (SIGRTMIN + 1, &sa, NULL);
+
+ memset (&ev, 0x22, sizeof (ev));
+ ev.sigev_notify = SIGEV_SIGNAL;
+ ev.sigev_signo = SIGRTMIN;
+ ev.sigev_value.sival_ptr = &ev;
+ if (timer_create (CLOCK_REALTIME, &ev, &timer_sig1) != 0)
+ {
+ printf ("timer_create for timer_sig1 failed: %m\n");
+ result = 1;
+ }
+
+ memset (&ev, 0x33, sizeof (ev));
+ ev.sigev_notify = SIGEV_SIGNAL;
+ ev.sigev_signo = SIGRTMIN + 1;
+ ev.sigev_value.sival_int = 163;
+ if (timer_create (CLOCK_REALTIME, &ev, &timer_sig2) != 0)
+ {
+ printf ("timer_create for timer_sig2 failed: %m\n");
+ result = 1;
+ }
+
+ memset (&ev, 0x44, sizeof (ev));
+ ev.sigev_notify = SIGEV_THREAD;
+ ev.sigev_notify_function = thr1;
+ ev.sigev_notify_attributes = NULL;
+ ev.sigev_value.sival_ptr = &ev;
+ if (timer_create (CLOCK_REALTIME, &ev, &timer_thr1) != 0)
+ {
+ printf ("timer_create for timer_thr1 failed: %m\n");
+ result = 1;
+ }
+
+ pthread_attr_t nattr;
+ if (pthread_attr_init (&nattr)
+ || pthread_attr_setguardsize (&nattr, 0))
+ {
+ puts ("pthread_attr_t setup failed");
+ result = 1;
+ }
+
+ memset (&ev, 0x55, sizeof (ev));
+ ev.sigev_notify = SIGEV_THREAD;
+ ev.sigev_notify_function = thr2;
+ ev.sigev_notify_attributes = &nattr;
+ ev.sigev_value.sival_int = 111;
+ if (timer_create (CLOCK_REALTIME, &ev, &timer_thr2) != 0)
+ {
+ printf ("timer_create for timer_thr2 failed: %m\n");
+ result = 1;
+ }
+
+ int ret = timer_getoverrun (timer_thr1);
+ if (ret != 0)
+ {
+ if (ret == -1)
+ printf ("timer_getoverrun failed: %m\n");
+ else
+ printf ("timer_getoverrun returned %d != 0\n", ret);
+ result = 1;
+ }
+
+ struct itimerspec it;
+ it.it_value.tv_sec = 0;
+ it.it_value.tv_nsec = -26;
+ it.it_interval.tv_sec = 0;
+ it.it_interval.tv_nsec = 0;
+ if (timer_settime (timer_sig1, 0, &it, NULL) == 0)
+ {
+ puts ("timer_settime with negative tv_nsec unexpectedly succeeded");
+ result = 1;
+ }
+ else if (errno != EINVAL)
+ {
+ printf ("timer_settime with negative tv_nsec did not fail with "
+ "EINVAL: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 100000;
+ it.it_interval.tv_nsec = 1000000000;
+ if (timer_settime (timer_sig2, 0, &it, NULL) == 0)
+ {
+ puts ("timer_settime with tv_nsec 1000000000 unexpectedly succeeded");
+ result = 1;
+ }
+ else if (errno != EINVAL)
+ {
+ printf ("timer_settime with tv_nsec 1000000000 did not fail with "
+ "EINVAL: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 0;
+ it.it_interval.tv_nsec = -26;
+ if (timer_settime (timer_thr1, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime with it_value 0 it_interval invalid failed: %m\n");
+ /* FIXME: is this mandated by POSIX?
+ result = 1; */
+ }
+
+ it.it_interval.tv_nsec = 3000000000;
+ if (timer_settime (timer_thr2, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime with it_value 0 it_interval invalid failed: %m\n");
+ /* FIXME: is this mandated by POSIX?
+ result = 1; */
+ }
+
+ struct timespec startts;
+ if (clock_gettime (CLOCK_REALTIME, &startts) != 0)
+ {
+ printf ("clock_gettime failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 100000000;
+ it.it_interval.tv_nsec = 0;
+ if (timer_settime (timer_none, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime timer_none failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 200000000;
+ if (timer_settime (timer_thr1, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime timer_thr1 failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 300000000;
+ if (timer_settime (timer_thr2, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime timer_thr2 failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 400000000;
+ if (timer_settime (timer_sig1, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime timer_sig1 failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 500000000;
+ if (TEMP_FAILURE_RETRY (timer_settime (timer_sig2, 0, &it, NULL)) != 0)
+ {
+ printf ("timer_settime timer_sig2 failed: %m\n");
+ result = 1;
+ }
+
+ pthread_mutex_lock (&lock);
+ while (thr1_cnt == 0 || thr2_cnt == 0)
+ pthread_cond_wait (&cond, &lock);
+ pthread_mutex_unlock (&lock);
+
+ while (sig1_cnt == 0 || sig2_cnt == 0)
+ {
+ ts.tv_sec = 0;
+ ts.tv_nsec = 100000000;
+ nanosleep (&ts, NULL);
+ }
+
+ pthread_mutex_lock (&lock);
+
+ if (thr1_cnt != 1)
+ {
+ printf ("thr1 not called exactly once, but %d times\n", thr1_cnt);
+ result = 1;
+ }
+ else if (thr1_err)
+ {
+ puts ("an error occurred in thr1");
+ result = 1;
+ }
+ else if (thr1_sigval.sival_ptr != &ev)
+ {
+ printf ("thr1_sigval.sival_ptr %p != %p\n", thr1_sigval.sival_ptr, &ev);
+ result = 1;
+ }
+ else if (check_ts ("thr1", &startts, &thr1_ts, 200000))
+ result = 1;
+
+ if (thr2_cnt != 1)
+ {
+ printf ("thr2 not called exactly once, but %d times\n", thr2_cnt);
+ result = 1;
+ }
+ else if (thr2_err)
+ {
+ puts ("an error occurred in thr2");
+ result = 1;
+ }
+ else if (thr2_sigval.sival_int != 111)
+ {
+ printf ("thr2_sigval.sival_ptr %d != 111\n", thr2_sigval.sival_int);
+ result = 1;
+ }
+ else if (check_ts ("thr2", &startts, &thr2_ts, 300000))
+ result = 1;
+ else if (thr2_guardsize != 0)
+ {
+ printf ("thr2 guardsize %zd != 0\n", thr2_guardsize);
+ result = 1;
+ }
+
+ pthread_mutex_unlock (&lock);
+
+ if (sig1_cnt != 1)
+ {
+ printf ("sig1 not called exactly once, but %d times\n", sig1_cnt);
+ result = 1;
+ }
+ else if (sig1_err)
+ {
+ printf ("errors occurred in sig1 handler %x\n", sig1_err);
+ result = 1;
+ }
+ else if (sig1_sigval.sival_ptr != &ev)
+ {
+ printf ("sig1_sigval.sival_ptr %p != %p\n", sig1_sigval.sival_ptr, &ev);
+ result = 1;
+ }
+ else if (check_ts ("sig1", &startts, &sig1_ts, 400000))
+ result = 1;
+
+ if (sig2_cnt != 1)
+ {
+ printf ("sig2 not called exactly once, but %d times\n", sig2_cnt);
+ result = 1;
+ }
+ else if (sig2_err)
+ {
+ printf ("errors occurred in sig2 handler %x\n", sig2_err);
+ result = 1;
+ }
+ else if (sig2_sigval.sival_int != 163)
+ {
+ printf ("sig2_sigval.sival_ptr %d != 163\n", sig2_sigval.sival_int);
+ result = 1;
+ }
+ else if (check_ts ("sig2", &startts, &sig2_ts, 500000))
+ result = 1;
+
+ if (timer_gettime (timer_none, &it) != 0)
+ {
+ printf ("timer_gettime timer_none failed: %m\n");
+ result = 1;
+ }
+ else if (it.it_value.tv_sec || it.it_value.tv_nsec
+ || it.it_interval.tv_sec || it.it_interval.tv_nsec)
+ {
+ printf ("timer_gettime timer_none returned { %ld.%09ld, %ld.%09ld }\n",
+ (long) it.it_value.tv_sec, it.it_value.tv_nsec,
+ (long) it.it_interval.tv_sec, it.it_interval.tv_nsec);
+ result = 1;
+ }
+
+ if (clock_gettime (CLOCK_REALTIME, &startts) != 0)
+ {
+ printf ("clock_gettime failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_sec = 1;
+ it.it_value.tv_nsec = 0;
+ it.it_interval.tv_sec = 0;
+ it.it_interval.tv_nsec = 100000000;
+ if (timer_settime (timer_none, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime timer_none failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 100000000;
+ it.it_interval.tv_nsec = 200000000;
+ if (timer_settime (timer_thr1, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime timer_thr1 failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 200000000;
+ it.it_interval.tv_nsec = 300000000;
+ if (timer_settime (timer_thr2, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime timer_thr2 failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 300000000;
+ it.it_interval.tv_nsec = 400000000;
+ if (timer_settime (timer_sig1, 0, &it, NULL) != 0)
+ {
+ printf ("timer_settime timer_sig1 failed: %m\n");
+ result = 1;
+ }
+
+ it.it_value.tv_nsec = 400000000;
+ it.it_interval.tv_nsec = 500000000;
+ if (TEMP_FAILURE_RETRY (timer_settime (timer_sig2, 0, &it, NULL)) != 0)
+ {
+ printf ("timer_settime timer_sig2 failed: %m\n");
+ result = 1;
+ }
+
+ pthread_mutex_lock (&lock);
+ while (thr1_cnt < 6 || thr2_cnt < 6)
+ pthread_cond_wait (&cond, &lock);
+ pthread_mutex_unlock (&lock);
+
+ while (sig1_cnt < 6 || sig2_cnt < 6)
+ {
+ ts.tv_sec = 0;
+ ts.tv_nsec = 100000000;
+ nanosleep (&ts, NULL);
+ }
+
+ pthread_mutex_lock (&lock);
+
+ if (thr1_err)
+ {
+ puts ("an error occurred in thr1");
+ result = 1;
+ }
+ else if (check_ts ("thr1", &startts, &thr1_ts, 1100000 + 4 * 200000))
+ result = 1;
+
+ if (thr2_err)
+ {
+ puts ("an error occurred in thr2");
+ result = 1;
+ }
+ else if (check_ts ("thr2", &startts, &thr2_ts, 1200000 + 4 * 300000))
+ result = 1;
+ else if (thr2_guardsize != 0)
+ {
+ printf ("thr2 guardsize %zd != 0\n", thr2_guardsize);
+ result = 1;
+ }
+
+ pthread_mutex_unlock (&lock);
+
+ if (sig1_err)
+ {
+ printf ("errors occurred in sig1 handler %x\n", sig1_err);
+ result = 1;
+ }
+ else if (check_ts ("sig1", &startts, &sig1_ts, 1300000 + 4 * 400000))
+ result = 1;
+
+ if (sig2_err)
+ {
+ printf ("errors occurred in sig2 handler %x\n", sig2_err);
+ result = 1;
+ }
+ else if (check_ts ("sig2", &startts, &sig2_ts, 1400000 + 4 * 500000))
+ result = 1;
+
+ if (timer_gettime (timer_none, &it) != 0)
+ {
+ printf ("timer_gettime timer_none failed: %m\n");
+ result = 1;
+ }
+ else if (it.it_interval.tv_sec || it.it_interval.tv_nsec != 100000000)
+ {
+ printf ("second timer_gettime timer_none returned it_interval %ld.%09ld\n",
+ (long) it.it_interval.tv_sec, it.it_interval.tv_nsec);
+ /* FIXME: For now disabled.
+ result = 1; */
+ }
+
+ if (timer_delete (timer_none) != 0)
+ {
+ printf ("timer_delete for timer_none failed: %m\n");
+ result = 1;
+ }
+
+ if (timer_delete (timer_sig1) != 0)
+ {
+ printf ("timer_delete for timer_sig1 failed: %m\n");
+ result = 1;
+ }
+
+ if (timer_delete (timer_sig2) != 0)
+ {
+ printf ("timer_delete for timer_sig2 failed: %m\n");
+ result = 1;
+ }
+
+ if (timer_delete (timer_thr1) != 0)
+ {
+ printf ("timer_delete for timer_thr1 failed: %m\n");
+ result = 1;
+ }
+
+ if (timer_delete (timer_thr2) != 0)
+ {
+ printf ("timer_delete for timer_thr2 failed: %m\n");
+ result = 1;
+ }
+ return result;
+}
+#else
+# define TEST_FUNCTION 0
+#endif
+
+#include "../test-skeleton.c"
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