| #include <signal.h> |
| #include <stdio.h> |
| #include "posixtest.h" |
| |
| /* |
| |
| * Copyright (c) 2002, Intel Corporation. All rights reserved. |
| * Created by: rolla.n.selbak REMOVE-THIS AT intel DOT com |
| * This file is licensed under the GPL license. For the full content |
| * of this license, see the COPYING file at the top level of this |
| * source tree. |
| |
| * Test that the sigwait() function. Upon successful completion, sigwait() |
| * returns 0 and stores the signal number of the received signal at the |
| * location referenced by 'sig'. |
| * 1) Block a signal from delivery. |
| * 2) Call sigwait() |
| * 3) Raise the signal (to continue the process so we don't pause with |
| * sigwait() forever. |
| * 4) Verify the return value and the 'sig' value is correct. |
| */ |
| |
| int main() |
| { |
| sigset_t newmask, pendingset; |
| int sig; |
| |
| /* Empty set of blocked signals */ |
| if (sigemptyset(&newmask) == -1 || sigemptyset(&pendingset) == -1) { |
| printf("Error in sigemptyset()\n"); |
| return PTS_UNRESOLVED; |
| } |
| |
| /* Add SIGUSR2 to the set of blocked signals */ |
| if (sigaddset(&newmask, SIGUSR2) == -1) { |
| perror("Error in sigaddset()\n"); |
| return PTS_UNRESOLVED; |
| } |
| |
| /* Block SIGUSR2 */ |
| if (sigprocmask(SIG_SETMASK, &newmask, NULL) == -1) { |
| printf("Error in sigprocmask()\n"); |
| return PTS_UNRESOLVED; |
| } |
| |
| /* Send SIGUSR2 signal to this process. Since it is blocked, |
| * it should be pending */ |
| if (raise(SIGUSR2) != 0) { |
| printf("Could not raise SIGUSR2\n"); |
| return PTS_UNRESOLVED; |
| } |
| |
| /* Call sigwait and test if it passed/failed*/ |
| if (sigwait(&newmask, &sig) != 0) { |
| printf("Error in sigwait()\n"); |
| printf("Test FAILED\n"); |
| return PTS_FAIL; |
| } |
| |
| /* If we get here, then the process was suspended until |
| * SIGUSR2 was raised. */ |
| if (sig == SIGUSR2) { |
| printf("Test PASSED\n"); |
| return PTS_PASS; |
| } else { |
| printf("Test FAILED\n"); |
| return PTS_FAIL; |
| } |
| |
| } |