45 void TestMmap(const unique_fd& fd, size_t size, int prot, void** region, off_t off = 0) {  in TestMmap()  argument
48     *region = mmap(nullptr, size, prot, MAP_SHARED, fd, off);  in TestMmap()
49     ASSERT_NE(MAP_FAILED, *region);  in TestMmap()
134     void* region = nullptr;  in TEST()  local
141     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, dataSize, PROT_READ | PROT_WRITE, &region, holeSize));  in TEST()
145     memcpy(region, data, dataSize);  in TEST()
187     EXPECT_EQ(0, munmap(region, dataSize));  in TEST()
193     void *region;  in TEST()  local
198     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ, &region));  in TEST()
199     EXPECT_EQ(0, munmap(region, size));  in TEST()
204     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_WRITE, &region));  in TEST()
205     EXPECT_EQ(0, munmap(region, size));  in TEST()
249         void* region = nullptr;  in TEST()  local
250         ASSERT_NO_FATAL_FAILURE(TestMmap(fd[i], size, PROT_READ | PROT_WRITE, &region));  in TEST()
251         memcpy(region, &data, size);  in TEST()
252         ASSERT_EQ(0, memcmp(region, &data, size));  in TEST()
253         EXPECT_EQ(0, munmap(region, size));  in TEST()
261             void *region = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd[i], 0);  in TEST()
262             if (region == MAP_FAILED) {  in TEST()
265             if (memcmp(region, &data, size) != 0) {  in TEST()
266                 munmap(region, size);  in TEST()
269             memset(region, 0, size);  in TEST()
270             munmap(region, size);  in TEST()
277         void *region;  in TEST()  local
278         ASSERT_NO_FATAL_FAILURE(TestMmap(fd[i], size, PROT_READ | PROT_WRITE, &region));  in TEST()
279         ASSERT_EQ(0, memcmp(region, &data, size));  in TEST()
280         EXPECT_EQ(0, munmap(region, size));  in TEST()