diff options
Diffstat (limited to 'deps/mman/test.c')
| -rw-r--r-- | deps/mman/test.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/deps/mman/test.c b/deps/mman/test.c new file mode 100644 index 0000000..9374b9f --- /dev/null +++ b/deps/mman/test.c @@ -0,0 +1,235 @@ + +#include "mman.h" + +#include <errno.h> +#include <fcntl.h> +#include <sys/stat.h> + +#ifndef NULL +#define NULL (void*)0 +#endif + +const char* map_file_name = "map_file.dat"; + +int test_anon_map_readwrite() +{ + void* map = mmap(NULL, 1024, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (map == MAP_FAILED) + { + printf("mmap (MAP_ANONYMOUS, PROT_READ | PROT_WRITE) returned unexpected error: %d\n", errno); + return -1; + } + + *((unsigned char*)map) = 1; + + int result = munmap(map, 1024); + + if (result != 0) + printf("munmap (MAP_ANONYMOUS, PROT_READ | PROT_WRITE) returned unexpected error: %d\n", errno); + + return result; +} + +int test_anon_map_readonly() +{ + void* map = mmap(NULL, 1024, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (map == MAP_FAILED) + { + printf("mmap (MAP_ANONYMOUS, PROT_READ) returned unexpected error: %d\n", errno); + return -1; + } + + *((unsigned char*)map) = 1; + + int result = munmap(map, 1024); + + if (result != 0) + printf("munmap (MAP_ANONYMOUS, PROT_READ) returned unexpected error: %d\n", errno); + + return result; +} + +int test_anon_map_writeonly() +{ + void* map = mmap(NULL, 1024, PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (map == MAP_FAILED) + { + printf("mmap (MAP_ANONYMOUS, PROT_WRITE) returned unexpected error: %d\n", errno); + return -1; + } + + *((unsigned char*)map) = 1; + + int result = munmap(map, 1024); + + if (result != 0) + printf("munmap (MAP_ANONYMOUS, PROT_WRITE) returned unexpected error: %d\n", errno); + + return result; +} + +int test_anon_map_readonly_nowrite() +{ + void* map = mmap(NULL, 1024, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (map == MAP_FAILED) + { + printf("mmap (MAP_ANONYMOUS, PROT_READ) returned unexpected error: %d\n", errno); + return -1; + } + + if (*((unsigned char*)map) != 0) + printf("test_anon_map_readonly_nowrite (MAP_ANONYMOUS, PROT_READ) returned unexpected value: %d\n", + (int)*((unsigned char*)map)); + + int result = munmap(map, 1024); + + if (result != 0) + printf("munmap (MAP_ANONYMOUS, PROT_READ) returned unexpected error: %d\n", errno); + + return result; +} + +int test_file_map_readwrite() +{ + mode_t mode = S_IRUSR | S_IWUSR; + int o = open(map_file_name, O_TRUNC | O_BINARY | O_RDWR | O_CREAT, mode); + + void* map = mmap(NULL, 1024, PROT_READ | PROT_WRITE, MAP_PRIVATE, o, 0); + if (map == MAP_FAILED) + { + printf("mmap returned unexpected error: %d\n", errno); + return -1; + } + + *((unsigned char*)map) = 1; + + int result = munmap(map, 1024); + + if (result != 0) + printf("munmap returned unexpected error: %d\n", errno); + + close(o); + + /*TODO: get file info and content and compare it with the sources conditions */ + unlink(map_file_name); + + return result; +} + +int test_file_map_mlock_munlock() +{ + const size_t map_size = 1024; + + int result = 0; + mode_t mode = S_IRUSR | S_IWUSR; + int o = open(map_file_name, O_TRUNC | O_BINARY | O_RDWR | O_CREAT, mode); + if (o == -1) + { + printf("unable to create file %s: %d\n", map_file_name, errno); + return -1; + } + + void* map = mmap(NULL, map_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, o, 0); + if (map == MAP_FAILED) + { + printf("mmap returned unexpected error: %d\n", errno); + result = -1; + goto done_close; + } + + if (mlock(map, map_size) != 0) + { + printf("mlock returned unexpected error: %d\n", errno); + result = -1; + goto done_munmap; + } + + *((unsigned char*)map) = 1; + + if (munlock(map, map_size) != 0) + { + printf("munlock returned unexpected error: %d\n", errno); + result = -1; + } + +done_munmap: + result = munmap(map, map_size); + + if (result != 0) + printf("munmap returned unexpected error: %d\n", errno); + +done_close: + close(o); + + unlink(map_file_name); +done: + return result; +} + +int test_file_map_msync() +{ + const size_t map_size = 1024; + + int result = 0; + mode_t mode = S_IRUSR | S_IWUSR; + int o = open(map_file_name, O_TRUNC | O_BINARY | O_RDWR | O_CREAT, mode); + if (o == -1) + { + printf("unable to create file %s: %d\n", map_file_name, errno); + return -1; + } + + void* map = mmap(NULL, map_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, o, 0); + if (map == MAP_FAILED) + { + printf("mmap returned unexpected error: %d\n", errno); + result = -1; + goto done_close; + } + + *((unsigned char*)map) = 1; + + if (msync(map, map_size, MS_SYNC) != 0) + { + printf("msync returned unexpected error: %d\n", errno); + result = -1; + } + + result = munmap(map, map_size); + + if (result != 0) + printf("munmap returned unexpected error: %d\n", errno); + +done_close: + close(o); + + unlink(map_file_name); +done: + return result; +} + +#define EXEC_TEST(name) \ + if (name() != 0) { result = -1; printf( #name ": fail\n"); } \ + else { printf(#name ": pass\n"); } + +int main() +{ + int result = 0; + + EXEC_TEST(test_anon_map_readwrite); + //NOTE: this test must cause an access violation exception + //EXEC_TEST(test_anon_map_readonly); + EXEC_TEST(test_anon_map_readonly_nowrite); + EXEC_TEST(test_anon_map_writeonly); + + EXEC_TEST(test_file_map_readwrite); + EXEC_TEST(test_file_map_mlock_munlock); + EXEC_TEST(test_file_map_msync); + //TODO: EXEC_TEST(test_file_map_mprotect); + + return result; +} |