1 /* 2 * Copyright (c) 2017 Cyril Hrubis <chrubis (at) suse.cz> 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #define _GNU_SOURCE 19 #include <unistd.h> 20 #include <errno.h> 21 #include "config.h" 22 #ifdef HAVE_SYS_FANOTIFY_H 23 # include <sys/fanotify.h> 24 #endif 25 #define TST_NO_DEFAULT_MAIN 26 #include "tst_test.h" 27 #include "tst_safe_macros.h" 28 #include "lapi/personality.h" 29 30 int safe_setpgid(const char *file, const int lineno, pid_t pid, pid_t pgid) 31 { 32 int rval; 33 34 rval = setpgid(pid, pgid); 35 if (rval) { 36 tst_brk(TBROK | TERRNO, 37 "%s:%d: setpgid(%i, %i) failed", 38 file, lineno, pid, pgid); 39 } 40 41 return rval; 42 } 43 44 pid_t safe_getpgid(const char *file, const int lineno, pid_t pid) 45 { 46 pid_t pgid; 47 48 pgid = getpgid(pid); 49 if (pgid == -1) { 50 tst_brk(TBROK | TERRNO, 51 "%s:%d: getpgid(%i) failed", file, lineno, pid); 52 } 53 54 return pgid; 55 } 56 57 int safe_fanotify_init(const char *file, const int lineno, 58 unsigned int flags, unsigned int event_f_flags) 59 { 60 int rval; 61 62 #ifdef HAVE_SYS_FANOTIFY_H 63 rval = fanotify_init(flags, event_f_flags); 64 65 if (rval == -1) { 66 if (errno == ENOSYS) { 67 tst_brk(TCONF, 68 "fanotify is not configured in this kernel."); 69 } 70 tst_brk(TBROK | TERRNO, 71 "%s:%d: fanotify_init() failed", file, lineno); 72 } 73 #else 74 tst_brk(TCONF, "Header <sys/fanotify.h> is not present"); 75 #endif /* HAVE_SYS_FANOTIFY_H */ 76 77 return rval; 78 } 79 80 int safe_personality(const char *filename, unsigned int lineno, 81 unsigned long persona) 82 { 83 int prev_persona = personality(persona); 84 85 if (prev_persona < 0) { 86 tst_brk_(filename, lineno, TBROK | TERRNO, 87 "persona(%ld) failed", persona); 88 } 89 90 return prev_persona; 91 } 92
