newlib: test ignored signals (broken)

qa/lib/newlib/204-signals.c

@@ -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
+	}
+}