diff options
Diffstat (limited to 'REORG.TODO/rt/tst-timer4.c')
| -rw-r--r-- | REORG.TODO/rt/tst-timer4.c | 653 |
1 files changed, 653 insertions, 0 deletions
diff --git a/REORG.TODO/rt/tst-timer4.c b/REORG.TODO/rt/tst-timer4.c new file mode 100644 index 0000000000..55620d6f2b --- /dev/null +++ b/REORG.TODO/rt/tst-timer4.c @@ -0,0 +1,653 @@ +/* Tests for POSIX timer implementation. + Copyright (C) 2004-2017 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, see <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <signal.h> +#include <stdio.h> +#include <string.h> +#include <time.h> +#include <unistd.h> +#include <stdint.h> +#if _POSIX_THREADS && defined SA_SIGINFO +# include <pthread.h> + +# ifndef TEST_CLOCK +# define TEST_CLOCK CLOCK_REALTIME +# endif + +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 (TEST_CLOCK, &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 (TEST_CLOCK, &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 (TEST_CLOCK, &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 (TEST_CLOCK, &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.%09jd instead of expected %ld.%09jd\n", + name, (long) end->tv_sec, (intmax_t) end->tv_nsec, + (long) ts.tv_sec, (intmax_t) ts.tv_nsec); + return 1; + } + else + return 0; +} + +#define TIMEOUT 15 +#define TEST_FUNCTION do_test () +static int +do_test (void) +{ + int result = 0; + +#ifdef TEST_CLOCK_MISSING + const char *missing = TEST_CLOCK_MISSING (TEST_CLOCK); + if (missing != NULL) + { + printf ("%s missing, skipping test\n", missing); + return 0; + } +#endif + + struct timespec ts; + if (clock_gettime (TEST_CLOCK, &ts) != 0) + { + printf ("*** clock_gettime failed: %m\n"); + result = 1; + } + else + printf ("clock_gettime returned timespec = { %ld, %jd }\n", + (long) ts.tv_sec, (intmax_t) ts.tv_nsec); + + if (clock_getres (TEST_CLOCK, &ts) != 0) + { + printf ("*** clock_getres failed: %m\n"); + result = 1; + } + else + printf ("clock_getres returned timespec = { %ld, %jd }\n", + (long) ts.tv_sec, (intmax_t) ts.tv_nsec); + + struct sigevent ev; + memset (&ev, 0x11, sizeof (ev)); + ev.sigev_notify = SIGEV_NONE; + if (timer_create (TEST_CLOCK, &ev, &timer_none) != 0) + { + printf ("*** timer_create for timer_none failed: %m\n"); + return 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 (TEST_CLOCK, &ev, &timer_sig1) != 0) + { + printf ("*** timer_create for timer_sig1 failed: %m\n"); + return 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 (TEST_CLOCK, &ev, &timer_sig2) != 0) + { + printf ("*** timer_create for timer_sig2 failed: %m\n"); + return 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 (TEST_CLOCK, &ev, &timer_thr1) != 0) + { + printf ("*** timer_create for timer_thr1 failed: %m\n"); + return 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 (TEST_CLOCK, &ev, &timer_thr2) != 0) + { + printf ("*** timer_create for timer_thr2 failed: %m\n"); + return 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; + } + +#if 0 + 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; */ + } +#endif + + struct timespec startts; + if (clock_gettime (TEST_CLOCK, &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.%09jd, %ld.%09jd }\n", + (long) it.it_value.tv_sec, (intmax_t) it.it_value.tv_nsec, + (long) it.it_interval.tv_sec, (intmax_t) it.it_interval.tv_nsec); + result = 1; + } + + if (clock_gettime (TEST_CLOCK, &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.%09jd\n", + (long) it.it_interval.tv_sec, (intmax_t) 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; +} + +#elif defined TEST_CLOCK_MISSING +/* This just ensures that any functions called in TEST_CLOCK_MISSING + are not diagnosed as unused. */ +# define TEST_FUNCTION (TEST_CLOCK_MISSING (TEST_CLOCK), 0) +#else +# define TEST_FUNCTION 0 +#endif + +#include "../test-skeleton.c" |