diff options
Diffstat (limited to 'tests/sys/posixshm/shm_test.c')
-rw-r--r-- | tests/sys/posixshm/shm_test.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/tests/sys/posixshm/shm_test.c b/tests/sys/posixshm/shm_test.c deleted file mode 100644 index a46fc0b..0000000 --- a/tests/sys/posixshm/shm_test.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * Test the POSIX shared-memory API. - * Dedicated to the public domain by Garrett A. Wollman, 2000. - * $FreeBSD$ - */ - -#include <sys/types.h> -#include <sys/mman.h> -#include <sys/wait.h> - -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -/* - * Signal handler which does nothing. - */ -static void -ignoreit(int sig __unused) -{ - ; -} - -int -main(int argc, char **argv) -{ - char buf[1024], *cp, c; - int error, desc, rv; - long scval; - sigset_t ss; - struct sigaction sa; - void *region; - size_t i, psize; - -#ifndef _POSIX_SHARED_MEMORY_OBJECTS - printf("_POSIX_SHARED_MEMORY_OBJECTS is undefined\n"); -#else - printf("_POSIX_SHARED_MEMORY_OBJECTS is defined as %ld\n", - (long)_POSIX_SHARED_MEMORY_OBJECTS - 0); - if (_POSIX_SHARED_MEMORY_OBJECTS - 0 == -1) - printf("***Indicates this feature may be unsupported!\n"); -#endif - errno = 0; - scval = sysconf(_SC_SHARED_MEMORY_OBJECTS); - if (scval == -1 && errno != 0) { - err(1, "sysconf(_SC_SHARED_MEMORY_OBJECTS)"); - } else { - printf("sysconf(_SC_SHARED_MEMORY_OBJECTS) returns %ld\n", - scval); - if (scval == -1) - printf("***Indicates this feature is unsupported!\n"); - } - - errno = 0; - scval = sysconf(_SC_PAGESIZE); - if (scval == -1 && errno != 0) { - err(1, "sysconf(_SC_PAGESIZE)"); - } else if (scval <= 0 || (size_t)psize != psize) { - warnx("bogus return from sysconf(_SC_PAGESIZE): %ld", - scval); - psize = 4096; - } else { - printf("sysconf(_SC_PAGESIZE) returns %ld\n", scval); - psize = scval; - } - - argc--, argv++; - - if (*argv) { - strncat(buf, *argv, (sizeof buf) - 1); - desc = shm_open(buf, O_EXCL | O_CREAT | O_RDWR, 0600); - } else { - do { - /* - * Can't use mkstemp for obvious reasons... - */ - char *tmpdir = getenv("TMPDIR"); - if (tmpdir == NULL) - tmpdir = "/tmp"; - snprintf(buf, sizeof(buf) - 1, - "%s/shmtest.XXXXXXXXXXXX", tmpdir); - buf[sizeof(buf) - 1] = '\0'; - mktemp(buf); - desc = shm_open(buf, O_EXCL | O_CREAT | O_RDWR, 0600); - } while (desc < 0 && errno == EEXIST); - } - - if (desc < 0) - err(1, "shm_open"); - - if (shm_unlink(buf) < 0) - err(1, "shm_unlink"); - - if (ftruncate(desc, (off_t)psize) < 0) - err(1, "ftruncate"); - - region = mmap((void *)0, psize, PROT_READ | PROT_WRITE, MAP_SHARED, - desc, (off_t)0); - if (region == MAP_FAILED) - err(1, "mmap"); - memset(region, '\377', psize); - - sa.sa_flags = 0; - sa.sa_handler = ignoreit; - sigemptyset(&sa.sa_mask); - if (sigaction(SIGUSR1, &sa, (struct sigaction *)0) < 0) - err(1, "sigaction"); - - sigemptyset(&ss); - sigaddset(&ss, SIGUSR1); - if (sigprocmask(SIG_BLOCK, &ss, (sigset_t *)0) < 0) - err(1, "sigprocmask"); - - rv = fork(); - if (rv < 0) { - err(1, "fork"); - } else if (rv == 0) { - sigemptyset(&ss); - sigsuspend(&ss); - - for (cp = region; cp < (char *)region + psize; cp++) { - if (*cp != '\151') - _exit(1); - } - if (lseek(desc, 0, SEEK_SET) == -1) - _exit(1); - for (i = 0; i < psize; i++) { - error = read(desc, &c, 1); - if (c != '\151') - _exit(1); - } - _exit(0); - } else { - int status; - - memset(region, '\151', psize - 2); - error = pwrite(desc, region, 2, psize - 2); - if (error != 2) { - if (error >= 0) - errx(1, "short write %d", error); - else - err(1, "shmfd write"); - } - kill(rv, SIGUSR1); - waitpid(rv, &status, 0); - - if (WIFEXITED(status) && WEXITSTATUS(status) == 0) { - printf("Functionality test successful\n"); - exit(0); - } else if (WIFEXITED(status)) { - printf("Child process exited with status %d\n", - WEXITSTATUS(status)); - } else { - printf("Child process terminated with %s\n", - strsignal(WTERMSIG(status))); - } - } - exit(1); -} |