From d4522b8e9854178473adcea0fbb84f23f6e744bd Mon Sep 17 00:00:00 2001 From: Felipe Boeira Date: Tue, 8 Jan 2019 18:39:03 +0100 Subject: Initial commit --- src/tests/vm/child-mm-wrt.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 src/tests/vm/child-mm-wrt.c (limited to 'src/tests/vm/child-mm-wrt.c') diff --git a/src/tests/vm/child-mm-wrt.c b/src/tests/vm/child-mm-wrt.c new file mode 100644 index 0000000..8419788 --- /dev/null +++ b/src/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 +#include +#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); +} + -- cgit v1.2.1