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Diffstat (limited to 'testsuites/psxtests/psxsignal07/main.c')
-rw-r--r-- | testsuites/psxtests/psxsignal07/main.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/testsuites/psxtests/psxsignal07/main.c b/testsuites/psxtests/psxsignal07/main.c new file mode 100644 index 0000000000..52b21751c8 --- /dev/null +++ b/testsuites/psxtests/psxsignal07/main.c @@ -0,0 +1,136 @@ +/* + * @brief psxsignal07 - Ensure initial signal mask and thread inheritance + */ + +/* + * COPYRIGHT (c) 2019. + * On-Line Applications Research Corporation (OAR). + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <tmacros.h> +#include "test_support.h" +#include <errno.h> +#include <pthread.h> +#include <signal.h> + +const char rtems_test_name[] = "PSXSIGNAL 7"; + +static sigset_t main_sigmask; + +#define SIGSET_NBYTES (sizeof(sigset_t)) + +/* #define DEBUG_TEST */ + +static void fetch_sigmask(const char *name, sigset_t *sigset_p) +{ + int rc; + + rc = sigemptyset(sigset_p); + rtems_test_assert(rc == 0); + + rc = sigprocmask(SIG_SETMASK, NULL, sigset_p); + rtems_test_assert(rc == 0); + +#ifdef DEBUG_TEST + /* + * There is no assurance that sigset_t is a primitive type so + * we have to print it a long at a time. + */ + int i; + unsigned char *p = (unsigned char *) sigset_p; + + printf("%s signal mask (in hex):\n ", name); + for (i=0 ; i < SIGSET_NBYTES ; i++) { + printf("%02x%s", *p++, (i % 16 == 15) ? "\n " : " "); + } + printf("\n"); +#endif +} + +static void block_sigmask(int signo, sigset_t *sigset_p) +{ + sigset_t sigset; + int rc; + + /* + * Block the requested signal + */ + rc = sigemptyset(&sigset); + rtems_test_assert(rc == 0); + rc = sigaddset(&sigset, signo); + rtems_test_assert(rc == 0); + + rc = sigprocmask(SIG_BLOCK, &sigset, NULL); + rtems_test_assert(rc == 0); + + /* + * Fetch the current signal mask reflecting the requested update + */ + sigemptyset(sigset_p); + rc = sigprocmask(SIG_SETMASK, NULL, sigset_p); + rtems_test_assert(rc == 0); +} + +static void *thread_body(void *arg) +{ + sigset_t mask; + + /* + * There is no assurance that sigset_t is a primitive type so + * we have to use memcmp(). + */ + fetch_sigmask("main", &main_sigmask); + fetch_sigmask(arg, &mask); + rtems_test_assert(main_sigmask == mask); + + return NULL; +} + +int main(int argc, char **argv) +{ + int rc; + pthread_t id; + sigset_t empty; + + TEST_BEGIN(); + + /* + * Verify first thread has empty signal mask + */ + fetch_sigmask("main", &main_sigmask); + + sigemptyset(&empty); + fetch_sigmask("empty", &empty); + + puts("Ensure main thread's mask equals sigemptyset"); + rtems_test_assert(main_sigmask == empty); + + /* + * Verify first thread has empty signal mask + */ + puts("Ensure parent's empty mask is inherited by thread"); + rc = pthread_create(&id, NULL, thread_body, "thread1"); + rtems_test_assert(rc == 0); + sleep(1); + + /* + * Create a thread and see if it inherits non-empty signal mask. + */ + puts("Ensure parent's mask with SIGUSR1 mask is inherited by thread"); + block_sigmask(SIGUSR1, &main_sigmask); + rc = pthread_create(&id, NULL, thread_body, "thread2"); + rtems_test_assert(rc == 0); + sleep(1); + + TEST_END(); + + rtems_test_exit(0); + return 0; +} + |