int main(int argc, char **argv)
{
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "dh");
PRSem *sem;
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
if (PL_OPT_BAD == os) continue;
switch (opt->option) {
case 'd': /* debug mode */
debug_mode = PR_TRUE;
break;
case 'h':
default:
Help();
return 2;
}
}
PL_DestroyOptState(opt);
/*
* PR_SEM_CREATE|PR_SEM_EXCL should be able to
* create a nonexistent semaphore.
*/
(void) PR_DeleteSemaphore(SEM_NAME2);
sem = PR_OpenSemaphore(SEM_NAME2, PR_SEM_CREATE|PR_SEM_EXCL, SEM_MODE, 0);
if (sem == NULL) {
fprintf(stderr, "PR_OpenSemaphore failed\n");
exit(1);
}
if (PR_CloseSemaphore(sem) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
exit(1);
}
if (PR_DeleteSemaphore(SEM_NAME2) == PR_FAILURE) {
fprintf(stderr, "PR_DeleteSemaphore failed\n");
exit(1);
}
/*
* Opening an existing semaphore with PR_SEM_CREATE|PR_SEM_EXCL.
* should fail with PR_FILE_EXISTS_ERROR.
*/
sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE|PR_SEM_EXCL, SEM_MODE, 0);
if (sem != NULL) {
fprintf(stderr, "PR_OpenSemaphore should fail but succeeded\n");
exit(1);
}
if (PR_GetError() != PR_FILE_EXISTS_ERROR) {
fprintf(stderr, "Expect %d but got %d\n", PR_FILE_EXISTS_ERROR,
PR_GetError());
exit(1);
}
/*
* Try again, with just PR_SEM_CREATE. This should succeed.
*/
sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE, SEM_MODE, 0);
if (sem == NULL) {
fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
if (PR_CloseSemaphore(sem) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
exit(1);
}
sem = PR_OpenSemaphore(SEM_NAME2, PR_SEM_CREATE|PR_SEM_EXCL, SEM_MODE, 0);
if (sem == NULL) {
fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
if (PR_CloseSemaphore(sem) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
exit(1);
}
printf("PASS\n");
return 0;
}
int main(int argc, char **argv)
{
PRProcess *proc;
PRIntn i;
char *child_argv[32];
char **child_arg;
char iterations_buf[32];
PRSharedMemory *shm;
PRIntn *counter_addr;
PRInt32 exit_code;
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "dc:h");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
if (PL_OPT_BAD == os) continue;
switch (opt->option) {
case 'd': /* debug mode */
debug_mode = PR_TRUE;
break;
case 'c': /* loop count */
iterations = atoi(opt->value);
break;
case 'h':
default:
Help();
return 2;
}
}
PL_DestroyOptState(opt);
if (PR_DeleteSharedMemory(SHM_NAME) == PR_SUCCESS) {
fprintf(stderr, "warning: removed shared memory %s left over "
"from previous run\n", SHM_NAME);
}
if (PR_DeleteSemaphore(SEM_NAME1) == PR_SUCCESS) {
fprintf(stderr, "warning: removed semaphore %s left over "
"from previous run\n", SEM_NAME1);
}
if (PR_DeleteSemaphore(SEM_NAME2) == PR_SUCCESS) {
fprintf(stderr, "warning: removed semaphore %s left over "
"from previous run\n", SEM_NAME2);
}
shm = PR_OpenSharedMemory(SHM_NAME, sizeof(*counter_addr), PR_SHM_CREATE, SHM_MODE);
if (NULL == shm) {
fprintf(stderr, "PR_OpenSharedMemory failed (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
counter_addr = PR_AttachSharedMemory(shm, 0);
if (NULL == counter_addr) {
fprintf(stderr, "PR_AttachSharedMemory failed\n");
exit(1);
}
*counter_addr = 0;
sem1 = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE, SEM_MODE, 1);
if (NULL == sem1) {
fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
sem2 = PR_OpenSemaphore(SEM_NAME2, PR_SEM_CREATE, SEM_MODE, 0);
if (NULL == sem2) {
fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
child_arg = &child_argv[0];
*child_arg++ = "semapong";
if (debug_mode != PR_FALSE) {
*child_arg++ = "-d";
}
if (iterations != ITERATIONS) {
*child_arg++ = "-c";
PR_snprintf(iterations_buf, sizeof(iterations_buf), "%d", iterations);
*child_arg++ = iterations_buf;
}
*child_arg = NULL;
proc = PR_CreateProcess(child_argv[0], child_argv, NULL, NULL);
if (NULL == proc) {
fprintf(stderr, "PR_CreateProcess failed\n");
exit(1);
}
/*
* Process 1 waits on semaphore 1 and posts to semaphore 2.
*/
for (i = 0; i < iterations; i++) {
if (PR_WaitSemaphore(sem1) == PR_FAILURE) {
fprintf(stderr, "PR_WaitSemaphore failed\n");
exit(1);
}
if (*counter_addr == 2*i) {
if (debug_mode) printf("process 1: counter = %d\n", *counter_addr);
} else {
fprintf(stderr, "process 1: counter should be %d but is %d\n",
2*i, *counter_addr);
exit(1);
}
(*counter_addr)++;
if (PR_PostSemaphore(sem2) == PR_FAILURE) {
fprintf(stderr, "PR_PostSemaphore failed\n");
exit(1);
}
}
if (PR_DetachSharedMemory(shm, counter_addr) == PR_FAILURE) {
fprintf(stderr, "PR_DetachSharedMemory failed\n");
exit(1);
}
if (PR_CloseSharedMemory(shm) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSharedMemory failed\n");
exit(1);
}
if (PR_CloseSemaphore(sem1) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
}
if (PR_CloseSemaphore(sem2) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
}
if (PR_WaitProcess(proc, &exit_code) == PR_FAILURE) {
fprintf(stderr, "PR_WaitProcess failed\n");
exit(1);
}
if (exit_code != 0) {
fprintf(stderr, "process 2 failed with exit code %d\n", exit_code);
exit(1);
}
if (PR_DeleteSharedMemory(SHM_NAME) == PR_FAILURE) {
fprintf(stderr, "PR_DeleteSharedMemory failed\n");
}
if (PR_DeleteSemaphore(SEM_NAME1) == PR_FAILURE) {
fprintf(stderr, "PR_DeleteSemaphore failed\n");
}
if (PR_DeleteSemaphore(SEM_NAME2) == PR_FAILURE) {
fprintf(stderr, "PR_DeleteSemaphore failed\n");
}
printf("PASS\n");
return 0;
}
int main(int argc, char **argv)
{
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "dh");
PRSem *sem;
char *child_argv[32];
char **child_arg;
PRProcess *proc;
PRInt32 exit_code;
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
if (PL_OPT_BAD == os) continue;
switch (opt->option) {
case 'd': /* debug mode */
debug_mode = PR_TRUE;
break;
case 'h':
default:
Help();
return 2;
}
}
PL_DestroyOptState(opt);
/*
* Open a nonexistent semaphore without the PR_SEM_CREATE
* flag should fail with PR_FILE_NOT_FOUND_ERROR.
*/
(void) PR_DeleteSemaphore(NO_SUCH_SEM_NAME);
sem = PR_OpenSemaphore(NO_SUCH_SEM_NAME, 0, 0, 0);
if (NULL != sem) {
fprintf(stderr, "Opening nonexistent semaphore %s "
"without the PR_SEM_CREATE flag should fail "
"but succeeded\n", NO_SUCH_SEM_NAME);
exit(1);
}
if (PR_GetError() != PR_FILE_NOT_FOUND_ERROR) {
fprintf(stderr, "Expected error is %d but got (%d, %d)\n",
PR_FILE_NOT_FOUND_ERROR, PR_GetError(), PR_GetOSError());
exit(1);
}
/*
* Create a semaphore and let the another process
* try PR_SEM_CREATE and PR_SEM_CREATE|PR_SEM_EXCL.
*/
if (PR_DeleteSemaphore(SEM_NAME1) == PR_SUCCESS) {
fprintf(stderr, "warning: deleted semaphore %s from previous "
"run of the test\n", SEM_NAME1);
}
sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE, SEM_MODE, 0);
if (sem == NULL) {
fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
child_arg = child_argv;
*child_arg++ = EXE_NAME;
if (debug_mode) {
*child_arg++ = "-d";
}
*child_arg = NULL;
proc = PR_CreateProcess(child_argv[0], child_argv, NULL, NULL);
if (proc == NULL) {
fprintf(stderr, "PR_CreateProcess failed\n");
exit(1);
}
if (PR_WaitProcess(proc, &exit_code) == PR_FAILURE) {
fprintf(stderr, "PR_WaitProcess failed\n");
exit(1);
}
if (exit_code != 0) {
fprintf(stderr, "process semaerr1 failed\n");
exit(1);
}
if (PR_CloseSemaphore(sem) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
exit(1);
}
if (PR_DeleteSemaphore(SEM_NAME1) == PR_FAILURE) {
fprintf(stderr, "PR_DeleteSemaphore failed\n");
exit(1);
}
printf("PASS\n");
return 0;
}