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newlib: tests for sigchld

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This commit is contained in:
Giacomo Tesio
2017-05-29 01:42:08 +02:00
parent f6d44667f2
commit 559e5429ed
3 changed files with 84 additions and 19 deletions
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57
qa/lib/newlib/200-signals.c
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@ -4,13 +4,40 @@
#include <signal.h>
#include <sys/wait.h>
void sighup(); /* routines child will call upon sigtrap */
void sigint();
void sigquit();
int child, cstatus;
void sighup() {
signal(SIGHUP,sighup); /* reset signal */
printf("CHILD: I have received a SIGHUP\n");
}
void sigint() {
signal(SIGINT,sigint); /* reset signal */
printf("CHILD: I have received a SIGINT\n");
}
void sigquit() {
printf("My DADDY has Killed me!!!\n");
exit(0);
}
void sigchld() {
printf("PARENT: got SIGCHLD\n");
#ifdef WITH_SIGCHLD
child = wait(&cstatus);
if(cstatus == 0)
exit(0);
else
{
printf("PARENT: child exited with status %d\n", cstatus);
exit(1);
}
#endif
}
int
main() {
int pid, p[2], child, cstatus;
int pid, p[2];
char dummy[1];
/* get child process */
@ -37,6 +64,7 @@ main() {
}
else /* parent */
{
signal(SIGCHLD,sigchld);
close(p[1]);
if(read(p[0], &dummy, 1) > 0){
printf("sync read received data");
@ -51,6 +79,11 @@ main() {
sleep(3); /* pause for 3 secs */
printf("\nPARENT: sending SIGQUIT\n\n");
kill(pid,SIGQUIT);
#ifdef WITH_SIGCHLD
sleep(10000);
exit(1);
#else
child = wait(&cstatus);
if(child == pid && cstatus == 0)
exit(0);
@ -59,20 +92,6 @@ main() {
printf("PARENT: child exited with status %d\n", cstatus);
exit(1);
}
#endif
}
}
void sighup() {
signal(SIGHUP,sighup); /* reset signal */
printf("CHILD: I have received a SIGHUP\n");
}
void sigint() {
signal(SIGINT,sigint); /* reset signal */
printf("CHILD: I have received a SIGINT\n");
}
void sigquit() {
printf("My DADDY has Killed me!!!\n");
exit(0);
}