int main (int argc, char *argv[]) { int fd; const char *file = "test-flock.txt"; /* Open a non-empty file for testing. */ fd = open (file, O_RDWR | O_CREAT | O_TRUNC, 0644); ASSERT (fd >= 0); ASSERT (write (fd, "hello", 5) == 5); #if defined __linux__ /* Invalid operation codes are rejected by the Linux implementation and by the gnulib replacement, but not by the MacOS X implementation. */ ASSERT (flock (fd, LOCK_SH | LOCK_EX) == -1); ASSERT (errno == EINVAL); ASSERT (flock (fd, LOCK_SH | LOCK_UN) == -1); ASSERT (errno == EINVAL); ASSERT (flock (fd, LOCK_EX | LOCK_UN) == -1); ASSERT (errno == EINVAL); ASSERT (flock (fd, 0) == -1); ASSERT (errno == EINVAL); #endif test_shared (file, fd); test_exclusive (file, fd); /* Close and remove the test file. */ ASSERT (close (fd) == 0); ASSERT (unlink (file) == 0); return 0; }
static void proc_mutex(CuTest *tc) { #if APR_HAS_FORK apr_status_t rv; const char *shmname = "tpm.shm"; apr_shm_t *shm; /* Use anonymous shm if available. */ rv = apr_shm_create(&shm, sizeof(int), NULL, p); if (rv == APR_ENOTIMPL) { apr_file_remove(shmname, p); rv = apr_shm_create(&shm, sizeof(int), shmname, p); } apr_assert_success(tc, "create shm segment", rv); x = apr_shm_baseaddr_get(shm); test_exclusive(tc, NULL); #else CuNotImpl(tc, "APR lacks fork() support"); #endif }