diff options
| -rw-r--r-- | tools/testing/selftests/timers/posix_timers.c | 108 |
1 files changed, 107 insertions, 1 deletions
diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c index 8a6139a1d27a..41b43d1327eb 100644 --- a/tools/testing/selftests/timers/posix_timers.c +++ b/tools/testing/selftests/timers/posix_timers.c @@ -334,10 +334,114 @@ static void check_sig_ign(int thread) } } +static void check_rearm(void) +{ + struct tmrsig tsig = { }; + struct itimerspec its; + struct sigaction sa; + struct sigevent sev; + timer_t timerid; + sigset_t set; + + sa.sa_flags = SA_SIGINFO; + sa.sa_sigaction = siginfo_handler; + sigemptyset(&sa.sa_mask); + if (sigaction(SIGUSR1, &sa, NULL)) + fatal_error(NULL, "sigaction()"); + + /* Block the signal */ + sigemptyset(&set); + sigaddset(&set, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &set, NULL)) + fatal_error(NULL, "sigprocmask(SIG_BLOCK)"); + + memset(&sev, 0, sizeof(sev)); + sev.sigev_notify = SIGEV_SIGNAL; + sev.sigev_signo = SIGUSR1; + sev.sigev_value.sival_ptr = &tsig; + if (timer_create(CLOCK_MONOTONIC, &sev, &timerid)) + fatal_error(NULL, "timer_create()"); + + /* Start the timer to expire in 100ms and 100ms intervals */ + its.it_value.tv_sec = 0; + its.it_value.tv_nsec = 100000000; + its.it_interval.tv_sec = 0; + its.it_interval.tv_nsec = 100000000; + if (timer_settime(timerid, 0, &its, NULL)) + fatal_error(NULL, "timer_settime()"); + + sleep(1); + + /* Reprogram the timer to single shot */ + its.it_value.tv_sec = 10; + its.it_value.tv_nsec = 0; + its.it_interval.tv_sec = 0; + its.it_interval.tv_nsec = 0; + if (timer_settime(timerid, 0, &its, NULL)) + fatal_error(NULL, "timer_settime()"); + + /* Unblock it, which should not deliver a signal */ + if (sigprocmask(SIG_UNBLOCK, &set, NULL)) + fatal_error(NULL, "sigprocmask(SIG_UNBLOCK)"); + + if (timer_delete(timerid)) + fatal_error(NULL, "timer_delete()"); + + ksft_test_result(!tsig.signals, "check_rearm\n"); +} + +static void check_delete(void) +{ + struct tmrsig tsig = { }; + struct itimerspec its; + struct sigaction sa; + struct sigevent sev; + timer_t timerid; + sigset_t set; + + sa.sa_flags = SA_SIGINFO; + sa.sa_sigaction = siginfo_handler; + sigemptyset(&sa.sa_mask); + if (sigaction(SIGUSR1, &sa, NULL)) + fatal_error(NULL, "sigaction()"); + + /* Block the signal */ + sigemptyset(&set); + sigaddset(&set, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &set, NULL)) + fatal_error(NULL, "sigprocmask(SIG_BLOCK)"); + + memset(&sev, 0, sizeof(sev)); + sev.sigev_notify = SIGEV_SIGNAL; + sev.sigev_signo = SIGUSR1; + sev.sigev_value.sival_ptr = &tsig; + if (timer_create(CLOCK_MONOTONIC, &sev, &timerid)) + fatal_error(NULL, "timer_create()"); + + /* Start the timer to expire in 100ms and 100ms intervals */ + its.it_value.tv_sec = 0; + its.it_value.tv_nsec = 100000000; + its.it_interval.tv_sec = 0; + its.it_interval.tv_nsec = 100000000; + if (timer_settime(timerid, 0, &its, NULL)) + fatal_error(NULL, "timer_settime()"); + + sleep(1); + + if (timer_delete(timerid)) + fatal_error(NULL, "timer_delete()"); + + /* Unblock it, which should not deliver a signal */ + if (sigprocmask(SIG_UNBLOCK, &set, NULL)) + fatal_error(NULL, "sigprocmask(SIG_UNBLOCK)"); + + ksft_test_result(!tsig.signals, "check_delete\n"); +} + int main(int argc, char **argv) { ksft_print_header(); - ksft_set_plan(8); + ksft_set_plan(10); ksft_print_msg("Testing posix timers. False negative may happen on CPU execution \n"); ksft_print_msg("based timers if other threads run on the CPU...\n"); @@ -361,6 +465,8 @@ int main(int argc, char **argv) check_sig_ign(0); check_sig_ign(1); + check_rearm(); + check_delete(); ksft_finished(); } |