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/*
* Copyright (c) 2002, Intel Corporation. All rights reserved.
* Created by: julie.n.fleischer 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 nanosleep() sets rmtp to the time remaining if
* it is interrupted by a signal.
* If time remaining is within OKDELTA difference, the test is a pass.
*/
#include <stdio.h>
#include <time.h>
#include <signal.h>
#include <unistd.h>
#include <sys/wait.h>
#include <stdlib.h>
#include "posixtest.h"
#define CHILDSUCCESS 1
#define CHILDFAILURE 0
#define OKDELTA 1
void handler(int signo LTP_ATTRIBUTE_UNUSED)
{
printf("In handler\n");
}
int main(void)
{
struct timespec tssleepfor, tsstorage, tsbefore, tsafter;
int sleepsec = 30;
int pid;
struct sigaction act;
if (clock_gettime(CLOCK_REALTIME, &tsbefore) == -1) {
perror("Error in clock_gettime()\n");
return PTS_UNRESOLVED;
}
if ((pid = fork()) == 0) {
/* child here */
int sleptplusremaining;
act.sa_handler = handler;
act.sa_flags = 0;
if (sigemptyset(&act.sa_mask) == -1) {
perror("Error calling sigemptyset\n");
return CHILDFAILURE;
}
if (sigaction(SIGABRT, &act, 0) == -1) {
perror("Error calling sigaction\n");
return CHILDFAILURE;
}
tssleepfor.tv_sec = sleepsec;
tssleepfor.tv_nsec = 0;
if (nanosleep(&tssleepfor, &tsstorage) != -1) {
printf("nanosleep() was not interrupted\n");
return CHILDFAILURE;
}
if (clock_gettime(CLOCK_REALTIME, &tsafter) == -1) {
perror("Error in clock_gettime()\n");
return CHILDFAILURE;
}
sleptplusremaining = (tsafter.tv_sec - tsbefore.tv_sec) +
tsstorage.tv_sec;
if (abs(sleptplusremaining - sleepsec) <= OKDELTA) {
printf("PASS - within %d difference\n",
abs(sleptplusremaining - sleepsec));
return CHILDSUCCESS;
} else {
printf("FAIL - within %d difference\n",
abs(sleptplusremaining - sleepsec));
return CHILDFAILURE;
}
} else {
/* parent here */
int i;
sleep(1);
if (kill(pid, SIGABRT) != 0) {
printf("Could not raise signal being tested\n");
return PTS_UNRESOLVED;
}
if (wait(&i) == -1) {
perror("Error waiting for child to exit\n");
return PTS_UNRESOLVED;
}
if (WIFEXITED(i) && WEXITSTATUS(i)) {
printf("Child exited normally\n");
printf("Test PASSED\n");
return PTS_PASS;
} else {
printf("Child did not exit normally.\n");
printf("Test FAILED\n");
return PTS_FAIL;
}
}
return PTS_UNRESOLVED;
}
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