diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/sys/vm/mmap_test.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/sys/vm/mmap_test.c b/tests/sys/vm/mmap_test.c index afabb5c41b83..61ede96fc49b 100644 --- a/tests/sys/vm/mmap_test.c +++ b/tests/sys/vm/mmap_test.c @@ -259,6 +259,21 @@ ATF_TC_BODY(mmap__dev_zero_shared, tc) close(fd); } +ATF_TC_WITHOUT_HEAD(mmap__write_only); +ATF_TC_BODY(mmap__write_only, tc) +{ + void *p; + int pagesize; + + ATF_REQUIRE((pagesize = getpagesize()) > 0); + p = mmap(NULL, pagesize, PROT_WRITE, MAP_ANON, -1, 0); + ATF_REQUIRE(p != MAP_FAILED); + + *(volatile uint32_t *)p = 0x12345678; + + munmap(p, pagesize); +} + ATF_TP_ADD_TCS(tp) { @@ -266,6 +281,7 @@ ATF_TP_ADD_TCS(tp) ATF_TP_ADD_TC(tp, mmap__bad_arguments); ATF_TP_ADD_TC(tp, mmap__dev_zero_private); ATF_TP_ADD_TC(tp, mmap__dev_zero_shared); + ATF_TP_ADD_TC(tp, mmap__write_only); return (atf_no_error()); } |