32 void TestCreateRegion(size_t size, unique_fd &fd, int prot) {  in TestCreateRegion()  argument
33     fd = unique_fd(ashmem_create_region(nullptr, size));  in TestCreateRegion()
34     ASSERT_TRUE(fd >= 0);  in TestCreateRegion()
35     ASSERT_TRUE(ashmem_valid(fd));  in TestCreateRegion()
36     ASSERT_EQ(size, static_cast<size_t>(ashmem_get_size_region(fd)));  in TestCreateRegion()
37     ASSERT_EQ(0, ashmem_set_prot_region(fd, prot));  in TestCreateRegion()
42     ASSERT_EQ(FD_CLOEXEC, (fcntl(fd, F_GETFD) & FD_CLOEXEC));  in TestCreateRegion()
45 void TestMmap(const unique_fd& fd, size_t size, int prot, void** region, off_t off = 0) {  in TestMmap()  argument
46     ASSERT_TRUE(fd >= 0);  in TestMmap()
47     ASSERT_TRUE(ashmem_valid(fd));  in TestMmap()
48     *region = mmap(nullptr, size, prot, MAP_SHARED, fd, off);  in TestMmap()
52 void TestProtDenied(const unique_fd &fd, size_t size, int prot) {  in TestProtDenied()  argument
53     ASSERT_TRUE(fd >= 0);  in TestProtDenied()
54     ASSERT_TRUE(ashmem_valid(fd));  in TestProtDenied()
55     EXPECT_EQ(MAP_FAILED, mmap(nullptr, size, prot, MAP_SHARED, fd, 0));  in TestProtDenied()
58 void TestProtIs(const unique_fd& fd, int prot) {  in TestProtIs()  argument
59     ASSERT_TRUE(fd >= 0);  in TestProtIs()
60     ASSERT_TRUE(ashmem_valid(fd));  in TestProtIs()
61     EXPECT_EQ(prot, ioctl(fd, ASHMEM_GET_PROT_MASK));  in TestProtIs()
75     unique_fd fd;  in TEST()  local
76     ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ | PROT_WRITE));  in TEST()
79     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ | PROT_WRITE, &region1));  in TEST()
87     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ, &region2));  in TEST()
97     unique_fd fd;  in TEST()  local
98     ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ | PROT_WRITE));  in TEST()
101     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ | PROT_WRITE, &region1));  in TEST()
109             if (!ashmem_valid(fd)) {  in TEST()
112             void* region2 = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);  in TEST()
127     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ | PROT_WRITE, &region2));  in TEST()
133     unique_fd fd;  in TEST()  local
140     ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ | PROT_WRITE));  in TEST()
141     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, dataSize, PROT_READ | PROT_WRITE, &region, holeSize));  in TEST()
172         ASSERT_TRUE(ashmem_valid(fd));  in TEST()
173         auto off = lseek(fd, cfg.offset, cfg.whence);  in TEST()
182             ASSERT_EQ(readSize, TEMP_FAILURE_RETRY(read(fd, buf, readSize)));  in TEST()
191     unique_fd fd;  in TEST()  local
195     ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ));  in TEST()
196     TestProtDenied(fd, size, PROT_WRITE);  in TEST()
197     TestProtIs(fd, PROT_READ);  in TEST()
198     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_READ, &region));  in TEST()
201     ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_WRITE));  in TEST()
202     TestProtDenied(fd, size, PROT_READ);  in TEST()
203     TestProtIs(fd, PROT_WRITE);  in TEST()
204     ASSERT_NO_FATAL_FAILURE(TestMmap(fd, size, PROT_WRITE, &region));  in TEST()
207     ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ | PROT_WRITE));  in TEST()
208     TestProtIs(fd, PROT_READ | PROT_WRITE);  in TEST()
209     ASSERT_EQ(0, ashmem_set_prot_region(fd, PROT_READ));  in TEST()
211     ASSERT_EQ(-1, ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE))  in TEST()
214     TestProtIs(fd, PROT_READ);  in TEST()
215     TestProtDenied(fd, size, PROT_WRITE);  in TEST()
219     unique_fd fd;  in TEST()  local
224         ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd, PROT_READ | PROT_WRITE));  in TEST()
227                 if (!ashmem_valid(fd)) {  in TEST()
229                 } else if (ashmem_set_prot_region(fd, protFlags[i]) >= 0) {  in TEST()
236         ASSERT_NO_FATAL_FAILURE(TestProtDenied(fd, size, protFlags[1-i]));  in TEST()
246     unique_fd fd[nRegions];  in TEST()  local
248         ASSERT_NO_FATAL_FAILURE(TestCreateRegion(size, fd[i], PROT_READ | PROT_WRITE));  in TEST()
250         ASSERT_NO_FATAL_FAILURE(TestMmap(fd[i], size, PROT_READ | PROT_WRITE, &region));  in TEST()
258             if (!ashmem_valid(fd[i])) {  in TEST()
261             void *region = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd[i], 0);  in TEST()
278         ASSERT_NO_FATAL_FAILURE(TestMmap(fd[i], size, PROT_READ | PROT_WRITE, &region));  in TEST()