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newlib: more tests for signals

This commit is contained in:
Giacomo Tesio 2017-05-08 00:36:04 +02:00
parent 8d5eb5914f
commit 48ea61ab9c
2 changed files with 128 additions and 0 deletions
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55
qa/lib/newlib/202-signals.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
void sigcont() {
printf("CHILD: Got SIGCONT\n");
exit(0);
}
int
main() {
int pid, p[2], child, cstatus;
char dummy[1];
/* get child process */
if(pipe(p)){
perror("pipe");
exit(1);
}
if ((pid = fork()) < 0) {
perror("fork");
exit(2);
}
if (pid == 0) {
signal(SIGCONT,sigcont); /* set function calls */
printf("Child going to loop...\n");
close(p[1]);
close(p[0]);
for(;;); /* loop for ever */
}
else /* parent */
{
close(p[1]);
if(read(p[0], &dummy, 1) > 0){
printf("sync read received data");
exit(EXIT_FAILURE);
}
close(p[0]);
printf("PARENT: sending SIGCONT\n\n");
kill(pid,SIGCONT);
child = wait(&cstatus);
if(child == pid && cstatus == 0)
exit(0);
else
{
printf("PARENT: child exited with status %d\n", cstatus);
exit(1);
}
}
}

73
qa/lib/newlib/203-signals.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
void sigcont() {
signal(SIGCONT,sigcont); /* reset signal */
printf("CHILD: Got SIGCONT\n");
exit(0);
}
void sigstop() {
signal(SIGSTOP,sigstop); /* reset signal */
printf("CHILD: Got SIGSTOP\n");
exit(1);
}
int
main() {
int pid, p[2], child, cstatus;
char dummy[1];
/* get child process */
if(pipe(p)){
perror("pipe");
exit(1);
}
if ((pid = fork()) < 0) {
perror("fork");
exit(2);
}
if (pid == 0) {
signal(SIGCONT,sigcont); /* set function calls */
signal(SIGSTOP,sigstop); /* set function calls */
printf("Child going to loop...\n");
close(p[1]);
close(p[0]);
for(;;){
/* loop for ever */
printf(".");
usleep(1000);
}
}
else /* parent */
{
close(p[1]);
if(read(p[0], &dummy, 1) > 0){
printf("sync read received data");
exit(EXIT_FAILURE);
}
close(p[0]);
sleep(2);
printf("PARENT: sending SIGSTOP\n");
kill(pid,SIGSTOP);
sleep(4);
printf("PARENT: sending SIGCONT\n");
kill(pid,SIGCONT);
child = wait(&cstatus);
if(child == pid && cstatus == 0)
exit(0);
else
{
printf("PARENT: child exited with status %d\n", cstatus);
exit(1);
}
}
}