/* * Copyright (c) 2017 Xiao yang * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include #include #include #include #define TST_NO_DEFAULT_MAIN #include "tst_test.h" #include "tst_safe_sysv_ipc.h" /* * The IPC_STAT, IPC_SET and IPC_RMID can return either 0 or -1. * * Linux specific cmds either returns -1 on failure or positive integer * either index into an kernel array or shared primitive indentifier. */ static int ret_check(int cmd, int ret) { switch (cmd) { case IPC_STAT: case IPC_SET: case IPC_RMID: return ret != 0; default: return ret == -1; } } int safe_msgget(const char *file, const int lineno, key_t key, int msgflg) { int rval; rval = msgget(key, msgflg); if (rval == -1) { tst_brk(TBROK | TERRNO, "%s:%d: msgget(%i, %x) failed", file, lineno, (int)key, msgflg); } return rval; } int safe_msgsnd(const char *file, const int lineno, int msqid, const void *msgp, size_t msgsz, int msgflg) { int rval; rval = msgsnd(msqid, msgp, msgsz, msgflg); if (rval == -1) { tst_brk(TBROK | TERRNO, "%s:%d: msgsnd(%i, %p, %zu, %x) failed", file, lineno, msqid, msgp, msgsz, msgflg); } return rval; } ssize_t safe_msgrcv(const char *file, const int lineno, int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg) { ssize_t rval; rval = msgrcv(msqid, msgp, msgsz, msgtyp, msgflg); if (rval == -1) { tst_brk(TBROK | TERRNO, "%s:%d: msgrcv(%i, %p, %zu, %li, %x) failed", file, lineno, msqid, msgp, msgsz, msgtyp, msgflg); } return rval; } int safe_msgctl(const char *file, const int lineno, int msqid, int cmd, struct msqid_ds *buf) { int rval; rval = msgctl(msqid, cmd, buf); if (ret_check(cmd, rval)) { tst_brk(TBROK | TERRNO, "%s:%d: msgctl(%i, %i, %p) = %i failed", file, lineno, msqid, cmd, buf, rval); } return rval; } int safe_shmget(const char *file, const int lineno, key_t key, size_t size, int shmflg) { int rval; rval = shmget(key, size, shmflg); if (rval == -1) { tst_brk(TBROK | TERRNO, "%s:%d: shmget(%i, %zu, %x) failed", file, lineno, (int)key, size, shmflg); } return rval; } void *safe_shmat(const char *file, const int lineno, int shmid, const void *shmaddr, int shmflg) { void *rval; rval = shmat(shmid, shmaddr, shmflg); if (rval == (void *)-1) { tst_brk(TBROK | TERRNO, "%s:%d: shmat(%i, %p, %x) failed", file, lineno, shmid, shmaddr, shmflg); } return rval; } int safe_shmdt(const char *file, const int lineno, const void *shmaddr) { int rval; rval = shmdt(shmaddr); if (rval == -1) { tst_brk(TBROK | TERRNO, "%s:%d: shmdt(%p) failed", file, lineno, shmaddr); } return rval; } int safe_shmctl(const char *file, const int lineno, int shmid, int cmd, struct shmid_ds *buf) { int rval; rval = shmctl(shmid, cmd, buf); if (ret_check(cmd, rval)) { tst_brk(TBROK | TERRNO, "%s:%d: shmctl(%i, %i, %p) = %i failed", file, lineno, shmid, cmd, buf, rval); } return rval; }