1 files changed, 24 insertions, 0 deletions

diff --git a/tests/vm/child-mm-wrt.c b/tests/vm/child-mm-wrt.c
new file mode 100644
index 0000000..8419788
--- /dev/null
+++ b/tests/vm/child-mm-wrt.c
@@ -0,0 +1,24 @@
+/* Child process of mmap-exit.
+   Mmaps a file and writes to it via the mmap'ing, then exits
+   without calling munmap.  The data in the mapped region must be
+   written out at program termination. */
+
+#include <string.h>
+#include <syscall.h>
+#include "tests/vm/sample.inc"
+#include "tests/lib.h"
+#include "tests/main.h"
+
+#define ACTUAL ((void *) 0x10000000)
+
+void
+test_main (void)
+{
+  int handle;
+
+  CHECK (create ("sample.txt", sizeof sample), "create \"sample.txt\"");
+  CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
+  CHECK (mmap (handle, ACTUAL) != MAP_FAILED, "mmap \"sample.txt\"");
+  memcpy (ACTUAL, sample, sizeof sample);
+}
+