45   void* map = mmap(nullptr, 100, PROT_READ, MAP_SHARED, tf.fd, 1);  in TEST()
52   void* map = mmap64(nullptr, 100, PROT_READ, MAP_SHARED, tf.fd, 1);  in TEST()
64   ASSERT_EQ(STR_SSIZE(STRING_MSG), write(tf.fd, STRING_MSG, sizeof(STRING_MSG)));  in TEST()
66   void* map = mmap(nullptr, sizeof(STRING_MSG), PROT_READ, MAP_SHARED, tf.fd, 0);  in TEST()
78   ASSERT_EQ(STR_SSIZE(INITIAL_MSG), write(tf.fd, INITIAL_MSG, sizeof(INITIAL_MSG)));  in TEST()
79   lseek(tf.fd, 0, SEEK_SET);  in TEST()
81   void* map = mmap(nullptr, sizeof(STRING_MSG), PROT_WRITE, MAP_SHARED, tf.fd, 0);  in TEST()
83   close(tf.fd);  in TEST()
89   tf.fd = open(tf.path, O_RDWR);  in TEST()
92   ASSERT_EQ(STR_SSIZE(STRING_MSG), read(tf.fd, buf, sizeof(STRING_MSG)));  in TEST()
107   ASSERT_EQ(STR_SSIZE(PAGE0_MSG), write(tf.fd, PAGE0_MSG, sizeof(PAGE0_MSG)));  in TEST()
108   ASSERT_NE(-1, lseek(tf.fd, pagesize, SEEK_SET));  in TEST()
109   ASSERT_EQ(STR_SSIZE(PAGE1_MSG), write(tf.fd, PAGE1_MSG, sizeof(PAGE1_MSG)));  in TEST()
110   ASSERT_NE(-1, lseek(tf.fd, 2 * pagesize, SEEK_SET));  in TEST()
111   ASSERT_EQ(STR_SSIZE(PAGE2_MSG), write(tf.fd, PAGE2_MSG, sizeof(PAGE2_MSG)));  in TEST()
112   ASSERT_NE(-1, lseek(tf.fd, 3 * pagesize - sizeof(END_MSG), SEEK_SET));  in TEST()
113   ASSERT_EQ(STR_SSIZE(END_MSG), write(tf.fd, END_MSG, sizeof(END_MSG)));  in TEST()
115   ASSERT_NE(-1, lseek(tf.fd, 0, SEEK_SET));  in TEST()
117   void* map = mmap(nullptr, pagesize, PROT_READ, MAP_SHARED, tf.fd, pagesize);  in TEST()
125   map = mmap(nullptr, pagesize, PROT_READ, MAP_SHARED, tf.fd, 2 * pagesize);  in TEST()
143   ASSERT_EQ(STR_SSIZE(PAGE0_MSG), write(tf.fd, PAGE0_MSG, sizeof(PAGE0_MSG)));  in TEST()
144   ASSERT_NE(-1, lseek(tf.fd, pagesize, SEEK_SET));  in TEST()
145   ASSERT_EQ(STR_SSIZE(PAGE1_MSG), write(tf.fd, PAGE1_MSG, sizeof(PAGE1_MSG)));  in TEST()
146   ASSERT_NE(-1, lseek(tf.fd, 2 * pagesize, SEEK_SET));  in TEST()
147   ASSERT_EQ(STR_SSIZE(PAGE2_MSG), write(tf.fd, PAGE2_MSG, sizeof(PAGE2_MSG)));  in TEST()
148   ASSERT_NE(-1, lseek(tf.fd, 3 * pagesize - sizeof(END_MSG), SEEK_SET));  in TEST()
149   ASSERT_EQ(STR_SSIZE(END_MSG), write(tf.fd, END_MSG, sizeof(END_MSG)));  in TEST()
151   ASSERT_NE(-1, lseek(tf.fd, 0, SEEK_SET));  in TEST()
153   void* map = mmap(nullptr, pagesize, PROT_WRITE, MAP_SHARED, tf.fd, pagesize);  in TEST()
155   close(tf.fd);  in TEST()
160   tf.fd = open(tf.path, O_RDWR);  in TEST()
161   map = mmap(nullptr, pagesize, PROT_WRITE, MAP_SHARED, tf.fd, 2 * pagesize);  in TEST()
163   close(tf.fd);  in TEST()
168   tf.fd = open(tf.path, O_RDWR);  in TEST()
170   ASSERT_EQ(static_cast<ssize_t>(pagesize), read(tf.fd, buf, pagesize));  in TEST()
172   ASSERT_NE(-1, lseek(tf.fd, pagesize, SEEK_SET));  in TEST()
173   ASSERT_EQ(static_cast<ssize_t>(pagesize), read(tf.fd, buf, pagesize));  in TEST()
175   ASSERT_NE(-1, lseek(tf.fd, 2 * pagesize, SEEK_SET));  in TEST()
176   ASSERT_EQ(static_cast<ssize_t>(pagesize), read(tf.fd, buf, pagesize));  in TEST()
187   ASSERT_EQ(static_cast<ssize_t>(pagesize), write(tempfile.fd, buf, pagesize));  in TEST()
188   void* map = mmap(nullptr, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, tempfile.fd, 0);  in TEST()
297   int fd = memfd_create("doesn't matter", 0);  in TEST()
298   if (fd == -1 && errno == ENOSYS) GTEST_SKIP() << "no memfd_create() in this kernel";  in TEST()
299   ASSERT_NE(-1, fd) << strerror(errno);  in TEST()
301   int f = fcntl(fd, F_GETFD);  in TEST()
304   close(fd);  in TEST()
307   fd = memfd_create("doesn't matter", MFD_CLOEXEC);  in TEST()
308   f = fcntl(fd, F_GETFD);  in TEST()
314   ASSERT_TRUE(android::base::WriteStringToFd(expected, fd));  in TEST()
315   ASSERT_EQ(0, lseek(fd, 0, SEEK_SET));  in TEST()
317   ASSERT_TRUE(android::base::ReadFdToString(fd, &actual));  in TEST()
320   close(fd);  in TEST()