mlock.c revision 6a2f43ce6469c06d0244a07cea3d04f3740a66ce
1b45a1e78e320962b0135e44d572393fa22404da1Fei Jie#include "tests.h" 26a2f43ce6469c06d0244a07cea3d04f3740a66ceDmitry V. Levin#include <asm/unistd.h> 3b45a1e78e320962b0135e44d572393fa22404da1Fei Jie 4b45a1e78e320962b0135e44d572393fa22404da1Fei Jie#if defined __NR_mlock && defined __NR_munlock 5b45a1e78e320962b0135e44d572393fa22404da1Fei Jie 6b45a1e78e320962b0135e44d572393fa22404da1Fei Jie# include <stdio.h> 7b45a1e78e320962b0135e44d572393fa22404da1Fei Jie# include <unistd.h> 8b45a1e78e320962b0135e44d572393fa22404da1Fei Jie 9b45a1e78e320962b0135e44d572393fa22404da1Fei Jieconst int size = 1024; 10b45a1e78e320962b0135e44d572393fa22404da1Fei Jie 11b45a1e78e320962b0135e44d572393fa22404da1Fei Jieint 12b45a1e78e320962b0135e44d572393fa22404da1Fei Jiemain(void) 13b45a1e78e320962b0135e44d572393fa22404da1Fei Jie{ 14b45a1e78e320962b0135e44d572393fa22404da1Fei Jie const char *addr = tail_alloc(size); 15b45a1e78e320962b0135e44d572393fa22404da1Fei Jie if (syscall(__NR_mlock, addr, size) == 0) { 16b45a1e78e320962b0135e44d572393fa22404da1Fei Jie printf("mlock(%p, %d) = 0\n", addr, size); 17b45a1e78e320962b0135e44d572393fa22404da1Fei Jie } else { 18b45a1e78e320962b0135e44d572393fa22404da1Fei Jie printf("mlock(%p, %d) = -1 %s (%m)\n", 19b45a1e78e320962b0135e44d572393fa22404da1Fei Jie addr, size, errno2name()); 20b45a1e78e320962b0135e44d572393fa22404da1Fei Jie } 21b45a1e78e320962b0135e44d572393fa22404da1Fei Jie 22b45a1e78e320962b0135e44d572393fa22404da1Fei Jie if (syscall(__NR_munlock, addr, size) == 0) { 23b45a1e78e320962b0135e44d572393fa22404da1Fei Jie printf("munlock(%p, %d) = 0\n", addr, size); 24b45a1e78e320962b0135e44d572393fa22404da1Fei Jie } else { 25b45a1e78e320962b0135e44d572393fa22404da1Fei Jie printf("munlock(%p, %d) = -1 %s (%m)\n", 26b45a1e78e320962b0135e44d572393fa22404da1Fei Jie addr, size, errno2name()); 27b45a1e78e320962b0135e44d572393fa22404da1Fei Jie } 28b45a1e78e320962b0135e44d572393fa22404da1Fei Jie 29b45a1e78e320962b0135e44d572393fa22404da1Fei Jie puts("+++ exited with 0 +++"); 30b45a1e78e320962b0135e44d572393fa22404da1Fei Jie return 0; 31b45a1e78e320962b0135e44d572393fa22404da1Fei Jie} 32b45a1e78e320962b0135e44d572393fa22404da1Fei Jie 33b45a1e78e320962b0135e44d572393fa22404da1Fei Jie#else 34b45a1e78e320962b0135e44d572393fa22404da1Fei Jie 35b45a1e78e320962b0135e44d572393fa22404da1Fei JieSKIP_MAIN_DEFINED("__NR_mlock && __NR_munlock") 36b45a1e78e320962b0135e44d572393fa22404da1Fei Jie 37b45a1e78e320962b0135e44d572393fa22404da1Fei Jie#endif 38