issue 863: add test cases and test evidences

test/mng_mod/issues/863/CT3003.c

@@ -0,0 +1,51 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+
+void
+child()
+{
+	struct sigaction act;
+	int fds[2];
+	char c;
+	int rc;
+
+	alarm(3);
+	pipe(fds);
+	rc = read(fds[0], &c, 1);
+}
+
+int
+main(int argc, char **argv)
+{
+	pid_t pid;
+	int st;
+	int rc;
+
+	pid = fork();
+	if (pid == 0) {
+		child();
+		exit(1);
+	}
+	while ((rc = waitpid(pid, &st, 0)) == -1 && errno == EINTR);
+	if (rc != pid) {
+		fprintf(stderr, "CT3003 NG BAD wait rc=%d errno=%d\n", rc, errno);
+		exit(1);
+	}
+	if (!WIFSIGNALED(st)) {
+		fprintf(stderr, "CT3003 NG no signaled st=%08x\n", st);
+		exit(1);
+	}
+	if (WTERMSIG(st) != SIGALRM) {
+		fprintf(stderr, "CT3003 NG BAD signal sig=%d\n", WTERMSIG(st));
+		exit(1);
+	}
+	fprintf(stderr, "CT3003 OK\n");
+	exit(0);
+}