1 files changed, 91 insertions, 0 deletions
diff --git a/test/unistd/fork.c b/test/unistd/fork.c
new file mode 100644
index 0000000..6d132d6
--- /dev/null
+++ b/test/unistd/fork.c
@@ -0,0 +1,91 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * fork test for uClibc
+ * Copyright (C) 2000-2006 by Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/wait.h>
+
+#define GOT1	(1 << 1)
+#define GOT2	(1 << 2)
+#define GOT3	(1 << 3)
+
+#ifdef __ARCH_USE_MMU__
+
+static void child_handler(int sig)
+{
+	fprintf(stderr, "I got a SIGCHLD\n");
+}
+
+int main(void)
+{
+	pid_t pid1, pid2, pid3;
+	int status, result, wpid;
+
+	signal(SIGCHLD, child_handler);
+
+	if ((pid1 = fork()) == 0) {
+		fprintf(stderr, "The child process sleeps 2 seconds...\n");
+		sleep(4);
+		fprintf(stderr, "Child exiting.\n");
+		exit(-1);
+	}
+	if ((pid2 = fork()) == 0) {
+		fprintf(stderr, "The child process sleeps 3 seconds...\n");
+		sleep(3);
+		fprintf(stderr, "Child exiting.\n");
+		exit(-1);
+	}
+	if ((pid3 = fork()) == 0) {
+		fprintf(stderr, "The child process sleeps 4 seconds...\n");
+		sleep(2);
+		fprintf(stderr, "Child exiting.\n");
+		exit(-1);
+	}
+
+	fprintf(stderr, "Parent: waiting for the child to die.\n");
+	status = 0;
+	while (1) {
+		wpid = waitpid(pid1, &result, WNOHANG);
+		if (wpid == pid1)
+			status |= GOT1;
+
+		wpid = waitpid(pid2, &result, WNOHANG);
+		if (wpid == pid2)
+			status |= GOT2;
+
+		wpid = waitpid(pid3, &result, WNOHANG);
+		if (wpid == pid3)
+			status |= GOT3;
+
+		if (status == (GOT1 | GOT2 | GOT3))
+			break;
+	}
+
+	fprintf(stderr, "Child process exited.\nGoodbye.\n");
+	return EXIT_SUCCESS;
+}
+
+#else
+
+int main(void)
+{
+	printf("Skipping test on non-mmu host!\n");
+	return EXIT_SUCCESS;
+}
+
+#endif
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/