1 files changed, 57 insertions, 0 deletions
diff --git a/mit-pthreads/tests/test_execve.c b/mit-pthreads/tests/test_execve.c
new file mode 100644
index 00000000000..f7988457df9
--- /dev/null
+++ b/mit-pthreads/tests/test_execve.c
@@ -0,0 +1,57 @@
+/* ==== test_execve.c ============================================================
+ * Copyright (c) 1994 by Chris Provenzano, proven@athena.mit.edu
+ *
+ * Description : Test execve() and dup2() calls.
+ *
+ *  1.00 94/04/29 proven
+ *      -Started coding this file.
+ */
+
+#define PTHREAD_KERNEL
+#include <pthread.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+extern char **environ;
+char *argv[] = {
+	"/bin/echo",
+	"This message should be displayed after the execve system call",
+	NULL
+};
+
+char * should_succeed = "This line should be displayed\n";
+char * should_fail = "Error: This line should NOT be displayed\n";
+
+main()
+{
+	pthread_t thread;
+	int fd;
+
+	pthread_init(); 
+
+	printf("This is the first message\n");
+	if (isatty(1)) {
+		if ((fd = open(ttyname(1), O_RDWR)) < OK) {
+			printf("Error: opening tty\n");
+			exit(1);
+		}
+	} else {
+		printf("Error: stdout not a tty\n");
+		exit(1);
+	}
+
+	printf("This output is necessary to set the stdout fd to NONBLOCKING\n");
+
+	/* do a dup2 */
+	dup2(fd, 1);
+	write(1, should_succeed, (size_t)strlen(should_succeed));
+	machdep_sys_write(1, should_fail, strlen(should_fail));
+
+	if (execve(argv[0], argv, environ) < OK) {
+		printf("Error: execve\n");
+		exit(1);
+	}
+	PANIC();
+}