27   void* map = mmap(nullptr, 4096, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);  in TEST()  local
28   ASSERT_NE(MAP_FAILED, map);  in TEST()
29   ASSERT_EQ(0, munmap(map, 4096));  in TEST()
33   void* map = mmap64(nullptr, 4096, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);  in TEST()  local
34   ASSERT_NE(MAP_FAILED, map);  in TEST()
35   ASSERT_EQ(0, munmap(map, 4096));  in TEST()
41   void* map = mmap(nullptr, 100, PROT_READ, MAP_SHARED, tf.fd, 1);  in TEST()  local
42   ASSERT_EQ(MAP_FAILED, map);  in TEST()
48   void* map = mmap64(nullptr, 100, PROT_READ, MAP_SHARED, tf.fd, 1);  in TEST()  local
49   ASSERT_EQ(MAP_FAILED, map);  in TEST()
62   void* map = mmap(nullptr, sizeof(STRING_MSG), PROT_READ, MAP_SHARED, tf.fd, 0);  in TEST()  local
63   ASSERT_NE(MAP_FAILED, map);  in TEST()
65   char* data = reinterpret_cast<char*>(map);  in TEST()
68   ASSERT_EQ(0, munmap(map, sizeof(STRING_MSG)));  in TEST()
77   void* map = mmap(nullptr, sizeof(STRING_MSG), PROT_WRITE, MAP_SHARED, tf.fd, 0);  in TEST()  local
78   ASSERT_NE(MAP_FAILED, map);  in TEST()
81   memcpy(map, STRING_MSG, sizeof(STRING_MSG));  in TEST()
83   ASSERT_EQ(0, munmap(map, sizeof(STRING_MSG)));  in TEST()
113   void* map = mmap(nullptr, pagesize, PROT_READ, MAP_SHARED, tf.fd, pagesize);  in TEST()  local
114   ASSERT_NE(MAP_FAILED, map);  in TEST()
116   char* data = reinterpret_cast<char*>(map);  in TEST()
119   ASSERT_EQ(0, munmap(map, pagesize));  in TEST()
121   map = mmap(nullptr, pagesize, PROT_READ, MAP_SHARED, tf.fd, 2 * pagesize);  in TEST()
122   ASSERT_NE(MAP_FAILED, map);  in TEST()
124   data = reinterpret_cast<char*>(map);  in TEST()
128   ASSERT_EQ(0, munmap(map, pagesize));  in TEST()
149   void* map = mmap(nullptr, pagesize, PROT_WRITE, MAP_SHARED, tf.fd, pagesize);  in TEST()  local
150   ASSERT_NE(MAP_FAILED, map);  in TEST()
153   memcpy(map, NEWPAGE1_MSG, sizeof(NEWPAGE1_MSG));  in TEST()
154   ASSERT_EQ(0, munmap(map, pagesize));  in TEST()
157   map = mmap(nullptr, pagesize, PROT_WRITE, MAP_SHARED, tf.fd, 2 * pagesize);  in TEST()
158   ASSERT_NE(MAP_FAILED, map);  in TEST()
161   memcpy(map, NEWPAGE2_MSG, sizeof(NEWPAGE2_MSG));  in TEST()
162   ASSERT_EQ(0, munmap(map, pagesize));  in TEST()
184   void* map = mmap(nullptr, pagesize, PROT_READ | PROT_WRITE, MAP_SHARED, tempfile.fd, 0);  in TEST()  local
185   ASSERT_NE(MAP_FAILED, map);  in TEST()
188   ASSERT_EQ(0, posix_madvise(map, pagesize, POSIX_MADV_NORMAL));  in TEST()
189   ASSERT_EQ(0, posix_madvise(map, pagesize, POSIX_MADV_SEQUENTIAL));  in TEST()
190   ASSERT_EQ(0, posix_madvise(map, pagesize, POSIX_MADV_RANDOM));  in TEST()
191   ASSERT_EQ(0, posix_madvise(map, pagesize, POSIX_MADV_WILLNEED));  in TEST()
193   ASSERT_EQ(0, munmap(map, pagesize));  in TEST()
202   void* map = mmap(nullptr, pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);  in TEST()  local
203   ASSERT_NE(MAP_FAILED, map);  in TEST()
205   int* int_ptr = reinterpret_cast<int*>(map);  in TEST()
210   ASSERT_EQ(0, posix_madvise(map, pagesize, POSIX_MADV_DONTNEED));  in TEST()
212   int_ptr = reinterpret_cast<int*>(map);  in TEST()
217   ASSERT_EQ(0, munmap(map, pagesize));  in TEST()
231   void* map = mmap(nullptr, PAGE_SIZE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);  in TEST()  local
232   ASSERT_NE(MAP_FAILED, map);  in TEST()
234   ASSERT_EQ(MAP_FAILED, mremap(map, PAGE_SIZE, kHuge, MREMAP_MAYMOVE));  in TEST()
236   ASSERT_EQ(0, munmap(map, PAGE_SIZE));  in TEST()
247   void* map = mmap(nullptr, PAGE_SIZE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);  in TEST()  local
248   ASSERT_NE(MAP_FAILED, map);  in TEST()
251   mlock(map, PAGE_SIZE);  in TEST()
253   ASSERT_EQ(0, munmap(map, PAGE_SIZE));  in TEST()
260   void* map = mmap(nullptr, PAGE_SIZE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);  in TEST()
261   ASSERT_NE(MAP_FAILED, map);  in TEST()
264   mlock2(map, PAGE_SIZE, MLOCK_ONFAULT);  in TEST()
266   ASSERT_EQ(0, munmap(map, PAGE_SIZE));  in TEST()