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newlib: test ignored signals (broken)

This commit is contained in:
Giacomo Tesio 2017-05-29 01:53:37 +02:00
parent 559e5429ed
commit 9dc9001469
3 changed files with 165 additions and 1 deletions
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83
qa/lib/newlib/204-signals.c Normal file
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@ -0,0 +1,83 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
int child, cstatus;
void sigquit() {
printf("CHILD: got SIGQUIT\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];
char dummy[1];
/* get child process */
if(pipe(p)){
perror("pipe");
exit(1);
}
if ((pid = fork()) < 0) {
perror("fork");
exit(2);
}
if (pid == 0) {
printf("%d is the new child!\n", getpid());
signal(SIGHUP, SIG_IGN);
signal(SIGQUIT, sigquit);
printf("Child going to loop...\n");
close(p[1]);
close(p[0]);
for(;;); /* loop for ever */
}
else /* parent */
{
signal(SIGCHLD,sigchld);
close(p[1]);
if(read(p[0], &dummy, 1) > 0){
printf("sync read received data");
exit(EXIT_FAILURE);
}
close(p[0]);
printf("PARENT: sending SIGHUP\n");
kill(pid,SIGHUP);
sleep(3); /* pause for 3 secs */
printf("PARENT: sending SIGQUIT\n");
kill(pid,SIGQUIT);
#ifdef WITH_SIGCHLD
sleep(10000);
exit(1);
#else
child = wait(&cstatus);
if(child == pid && cstatus == 0)
exit(0);
else
{
printf("PARENT: child exited with status %d\n", cstatus);
exit(1);
}
#endif
}
}

79
qa/lib/newlib/205-signals.c Normal file
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@ -0,0 +1,79 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
int child, cstatus;
void sigquit() {
printf("CHILD: got SIGQUIT\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];
char dummy[1];
/* get child process */
if(pipe(p)){
perror("pipe");
exit(1);
}
if ((pid = fork()) < 0) {
perror("fork");
exit(2);
}
if (pid == 0) {
printf("%d is the new child!\n", getpid());
signal(SIGHUP, SIG_IGN);
signal(SIGQUIT, sigquit);
printf("Child wait in blocking syscall...\n");
read(p[0], &dummy, 1);
/* reached only if the ignored SIGHUP interrupts the read */
printf("Child interrupted by ignored signal\n");
exit(5);
}
else /* parent */
{
signal(SIGCHLD,sigchld);
sleep(3);
printf("PARENT: sending SIGHUP\n");
kill(pid,SIGHUP);
sleep(3); /* pause for 3 secs */
printf("PARENT: sending SIGQUIT\n");
kill(pid,SIGQUIT);
#ifdef WITH_SIGCHLD
sleep(10000);
exit(1);
#else
child = wait(&cstatus);
if(child == pid && cstatus == 0)
exit(0);
else
{
printf("PARENT: child exited with status %d\n", cstatus);
exit(1);
}
#endif
}
}

4
qa/lib/newlib/build.json
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@ -39,7 +39,9 @@
"200-signals.c",
"201-signals.c",
"202-signals.c",
"203-signals.c"
"203-signals.c",
"204-signals.c",
"205-signals.c"
]
},
"SIGCHLDTests": {