test: Add testcase for #1031

Refs: #1031
Change-Id: I6a51596b84a97329ba7d5b765c8471246dcf85df

test/issues/1031/CT_002.c

@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include "./test_chk.h"
+
+#define TEST_NAME "CT_002"
+
+int handled_cnt;
+
+void test_handler(int sig)
+{
+	handled_cnt++;
+}
+
+int main(int argc, char **argv)
+{
+	int rc = 0;
+	int pid = 0;
+	int status;
+	int tmp_flag = 0;
+	struct sigaction sa;
+
+	printf("*** %s start *******************************\n", TEST_NAME);
+	handled_cnt = 0;
+
+	pid = fork();
+	CHKANDJUMP(pid == -1, "fork");
+
+	if (pid == 0) { /* child */
+		sa.sa_handler = test_handler;
+		sa.sa_flags = 0;
+
+		rc = sigaction(SIGUSR1, &sa, NULL);
+		OKNG(rc != 0, "sigaction (no SA_RESETHAND)");
+
+		printf("   send 1st SIGUSR1\n");
+		kill(getpid(), SIGUSR1);
+		OKNG(handled_cnt != 1, "invoked test_handler");
+		printf("   send 2nd SIGUSR1\n");
+		kill(getpid(), SIGUSR1);
+		OKNG(handled_cnt != 2, "invoked test_handler again");
+		_exit(123);
+	} else { /* parent */
+		rc = waitpid(pid, &status, 0);
+		CHKANDJUMP(rc == -1, "waitpid");
+
+		if (!WIFSIGNALED(status) &&
+		    WIFEXITED(status)) {
+			if (WEXITSTATUS(status) == 123) {
+				tmp_flag = 1;
+			}
+		}
+		OKNG(tmp_flag != 1, "child exited normaly");
+	}
+
+	printf("*** %s PASSED\n\n", TEST_NAME);
+
+	return 0;
+
+fn_fail:
+	printf("*** %s FAILED\n\n", TEST_NAME);
+
+	return -1;
+}