utest/fs/test-mmap.cpp

39     void* addr = mmap(NULL, PAGE_SIZE, PROT_READ, MAP_SHARED, fd, 0);
40     ASSERT_NE(addr, MAP_FAILED);
42     ASSERT_EQ(memcmp(addr, tmp, sizeof(tmp)), 0);
44     ASSERT_EQ(munmap(addr, PAGE_SIZE), 0, "munmap failed");
67     void* addr = mmap(NULL, PAGE_SIZE, PROT_READ, MAP_SHARED, fd, 0);
68     ASSERT_NE(addr, MAP_FAILED);
69     ASSERT_EQ(memcmp(addr, tmp1, sizeof(tmp1)), 0);
74     void* addr2 = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(addr) + sizeof(tmp1));
78     ASSERT_EQ(memcmp(addr, tmp1, sizeof(tmp1)), 0);
80     ASSERT_EQ(munmap(addr, PAGE_SIZE), 0, "munmap failed");
103     void* addr = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
104     ASSERT_NE(addr, MAP_FAILED);
105     ASSERT_EQ(memcmp(addr, tmp1, sizeof(tmp1)), 0);
111     void* addr2 = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(addr) + sizeof(tmp1));
119     ASSERT_EQ(memcmp(addr, tmp1, sizeof(tmp1)), 0);
124     ASSERT_EQ(memcmp(addr, tmp1, sizeof(tmp1)), 0);
127         auto caddr = reinterpret_cast<char*>(addr);
131     ASSERT_EQ(munmap(addr, PAGE_SIZE), 0, "munmap failed");
154     void* addr = mmap(NULL, PAGE_SIZE, PROT_READ, MAP_SHARED, fd, 0);
155     ASSERT_NE(addr, MAP_FAILED);
156     ASSERT_EQ(memcmp(addr, tmp, sizeof(tmp)), 0);
160     ASSERT_EQ(memcmp(addr, tmp, sizeof(tmp)), 0);
164     ASSERT_EQ(memcmp(addr, tmp, sizeof(tmp)), 0);
168     ASSERT_EQ(memcmp(addr, tmp, sizeof(tmp)), 0);
170     ASSERT_EQ(munmap(addr, PAGE_SIZE), 0, "munmap failed");
385     void* addr = mmap(NULL, sizeof(buf), PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0);
386     ASSERT_NE(addr, MAP_FAILED);
387     ASSERT_EQ(memcmp(addr, buf, sizeof(buf)), 0);
394         ASSERT_EQ(memcmp(addr, buf, new_size), 0);
401         void* beyond = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(addr) + new_size);
406     ASSERT_EQ(munmap(addr, sizeof(buf)), 0);
427     void* addr = mmap(NULL, sizeof(buf), PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0);
428     ASSERT_NE(addr, MAP_FAILED);
429     ASSERT_EQ(memcmp(addr, buf, sizeof(buf)), 0);
444         void* beyond = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(addr) + new_size);
450         ASSERT_EQ(memcmp(buf, addr, new_size), 0);
453     ASSERT_EQ(munmap(addr, sizeof(buf)), 0);
474     void* addr = mmap(NULL, sizeof(buf), PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0);
475     ASSERT_NE(addr, MAP_FAILED);
476     ASSERT_EQ(memcmp(addr, buf, sizeof(buf)), 0);
491         void* beyond = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(addr) + new_size);
500         ASSERT_EQ(memcmp(buf, addr, new_size), 0);
503     ASSERT_EQ(munmap(addr, sizeof(buf)), 0);
520     void* addr = mmap(NULL, PAGE_SIZE, prot, flags, fd, 0);
521     ASSERT_NE(addr, MAP_FAILED);
527             ASSERT_EQ(munmap(addr, PAGE_SIZE), 0);
530         ASSERT_DEATH([](void* addr) {
531             __UNUSED volatile int i = *static_cast<int*>(addr);
532         }, addr, "");
535             ASSERT_EQ(munmap(addr, PAGE_SIZE), 0);
540             ASSERT_EQ(munmap(addr, PAGE_SIZE), 0);
543         ASSERT_DEATH([](void* addr) {
544             *static_cast<int*>(addr) = 5;
545         }, addr, "");
548             ASSERT_EQ(munmap(addr, PAGE_SIZE), 0);