1 files changed, 68 insertions, 0 deletions
diff --git a/test/signal/sigchld.c b/test/signal/sigchld.c
new file mode 100644
index 0000000..22febac
--- /dev/null
+++ b/test/signal/sigchld.c
@@ -0,0 +1,68 @@
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/signal.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+
+#ifdef __ARCH_USE_MMU__
+
+static void test_handler(int signo)
+{
+    write(1, "caught SIGCHLD\n", 15);
+    return;
+}
+
+int main(void)
+{
+    pid_t mypid;
+    struct sigaction siga;
+    static sigset_t set;
+
+    /* Set up sighandling */
+    sigfillset(&set);
+    siga.sa_handler = test_handler;
+    siga.sa_mask = set;
+    siga.sa_flags = 0;
+    if (sigaction(SIGCHLD, &siga, (struct sigaction *)NULL) != 0) {
+	fprintf(stderr, "sigaction choked: %s!", strerror(errno));
+	exit(EXIT_FAILURE);
+    }
+
+    /* Setup a child process to exercise the sig handling for us */
+    mypid = getpid();
+    if (fork() == 0) {
+	int i;
+
+	for (i=0; i < 3; i++) {
+	    sleep(2);
+	    kill(mypid, SIGCHLD);
+	}
+	_exit(EXIT_SUCCESS);
+    }
+
+
+    /* Wait for signals */
+    write(1, "waiting for a SIGCHLD\n",22);
+    for(;;) {
+	sleep(10);
+	if (waitpid(-1, NULL, WNOHANG | WUNTRACED) > 0)
+	    break;
+	write(1, "after sleep\n", 12);
+    }
+
+    printf("Bye-bye!  All done!\n");
+    return 0;
+}
+
+#else
+
+int main(void)
+{
+    printf("Skipping test on non-mmu host!\n");
+    return 0;
+}
+
+#endif