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[Msan] Fix tests reading /proc files on FreeBSD 

Differential Revision: http://reviews.llvm.org/D6926

llvm-svn: 225686
This commit is contained in:
Viktor Kutuzov 2015-01-12 20:15:33 +00:00
parent ac3128d901
commit 6aba5098fd
1 changed files with 13 additions and 7 deletions
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20
compiler-rt/lib/msan/tests/msan_test.cc
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@ -73,6 +73,13 @@
# include <immintrin.h> # include <immintrin.h>
#endif #endif
// On FreeBSD procfs is not enabled by default.
#if defined(__FreeBSD__)
# define FILE_TO_READ "/bin/cat"
#else
# define FILE_TO_READ "/proc/self/stat"
#endif
static const size_t kPageSize = 4096; static const size_t kPageSize = 4096;
typedef unsigned char U1; typedef unsigned char U1;
@ -564,7 +571,7 @@ TEST(MemorySanitizer, strerror_r) {
TEST(MemorySanitizer, fread) { TEST(MemorySanitizer, fread) {
char *x = new char[32]; char *x = new char[32];
FILE *f = fopen("/proc/self/stat", "r"); FILE *f = fopen(FILE_TO_READ, "r");
ASSERT_TRUE(f != NULL); ASSERT_TRUE(f != NULL);
fread(x, 1, 32, f); fread(x, 1, 32, f);
EXPECT_NOT_POISONED(x[0]); EXPECT_NOT_POISONED(x[0]);
@ -576,7 +583,7 @@ TEST(MemorySanitizer, fread) {
TEST(MemorySanitizer, read) { TEST(MemorySanitizer, read) {
char *x = new char[32]; char *x = new char[32];
int fd = open("/proc/self/stat", O_RDONLY); int fd = open(FILE_TO_READ, O_RDONLY);
ASSERT_GT(fd, 0); ASSERT_GT(fd, 0);
int sz = read(fd, x, 32); int sz = read(fd, x, 32);
ASSERT_EQ(sz, 32); ASSERT_EQ(sz, 32);
@ -589,7 +596,7 @@ TEST(MemorySanitizer, read) {
TEST(MemorySanitizer, pread) { TEST(MemorySanitizer, pread) {
char *x = new char[32]; char *x = new char[32];
int fd = open("/proc/self/stat", O_RDONLY); int fd = open(FILE_TO_READ, O_RDONLY);
ASSERT_GT(fd, 0); ASSERT_GT(fd, 0);
int sz = pread(fd, x, 32, 0); int sz = pread(fd, x, 32, 0);
ASSERT_EQ(sz, 32); ASSERT_EQ(sz, 32);
@ -607,7 +614,7 @@ TEST(MemorySanitizer, readv) {
iov[0].iov_len = 5; iov[0].iov_len = 5;
iov[1].iov_base = buf + 10; iov[1].iov_base = buf + 10;
iov[1].iov_len = 2000; iov[1].iov_len = 2000;
int fd = open("/proc/self/stat", O_RDONLY); int fd = open(FILE_TO_READ, O_RDONLY);
ASSERT_GT(fd, 0); ASSERT_GT(fd, 0);
int sz = readv(fd, iov, 2); int sz = readv(fd, iov, 2);
ASSERT_GE(sz, 0); ASSERT_GE(sz, 0);
@ -631,7 +638,7 @@ TEST(MemorySanitizer, preadv) {
iov[0].iov_len = 5; iov[0].iov_len = 5;
iov[1].iov_base = buf + 10; iov[1].iov_base = buf + 10;
iov[1].iov_len = 2000; iov[1].iov_len = 2000;
int fd = open("/proc/self/stat", O_RDONLY); int fd = open(FILE_TO_READ, O_RDONLY);
ASSERT_GT(fd, 0); ASSERT_GT(fd, 0);
int sz = preadv(fd, iov, 2, 3); int sz = preadv(fd, iov, 2, 3);
ASSERT_GE(sz, 0); ASSERT_GE(sz, 0);
@ -662,10 +669,9 @@ TEST(MemorySanitizer, readlink) {
delete [] x; delete [] x;
} }
TEST(MemorySanitizer, stat) { TEST(MemorySanitizer, stat) {
struct stat* st = new struct stat; struct stat* st = new struct stat;
int res = stat("/proc/self/stat", st); int res = stat(FILE_TO_READ, st);
ASSERT_EQ(0, res); ASSERT_EQ(0, res);
EXPECT_NOT_POISONED(st->st_dev); EXPECT_NOT_POISONED(st->st_dev);
EXPECT_NOT_POISONED(st->st_mode); EXPECT_NOT_POISONED(st->st_mode);