| /* |
| * Copyright (c) 2017 Cyril Hrubis <chrubis@suse.cz> |
| * |
| * 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 <http://www.gnu.org/licenses/>. |
| */ |
| |
| #define _GNU_SOURCE |
| #include <unistd.h> |
| #include <errno.h> |
| #include "config.h" |
| #ifdef HAVE_SYS_FANOTIFY_H |
| # include <sys/fanotify.h> |
| #endif |
| #define TST_NO_DEFAULT_MAIN |
| #include "tst_test.h" |
| #include "tst_safe_macros.h" |
| #include "lapi/personality.h" |
| |
| int safe_setpgid(const char *file, const int lineno, pid_t pid, pid_t pgid) |
| { |
| int rval; |
| |
| rval = setpgid(pid, pgid); |
| if (rval) { |
| tst_brk(TBROK | TERRNO, |
| "%s:%d: setpgid(%i, %i) failed", |
| file, lineno, pid, pgid); |
| } |
| |
| return rval; |
| } |
| |
| pid_t safe_getpgid(const char *file, const int lineno, pid_t pid) |
| { |
| pid_t pgid; |
| |
| pgid = getpgid(pid); |
| if (pgid == -1) { |
| tst_brk(TBROK | TERRNO, |
| "%s:%d: getpgid(%i) failed", file, lineno, pid); |
| } |
| |
| return pgid; |
| } |
| |
| int safe_fanotify_init(const char *file, const int lineno, |
| unsigned int flags, unsigned int event_f_flags) |
| { |
| int rval; |
| |
| #ifdef HAVE_SYS_FANOTIFY_H |
| rval = fanotify_init(flags, event_f_flags); |
| |
| if (rval == -1) { |
| if (errno == ENOSYS) { |
| tst_brk(TCONF, |
| "fanotify is not configured in this kernel."); |
| } |
| tst_brk(TBROK | TERRNO, |
| "%s:%d: fanotify_init() failed", file, lineno); |
| } |
| #else |
| tst_brk(TCONF, "Header <sys/fanotify.h> is not present"); |
| #endif /* HAVE_SYS_FANOTIFY_H */ |
| |
| return rval; |
| } |
| |
| int safe_personality(const char *filename, unsigned int lineno, |
| unsigned long persona) |
| { |
| int prev_persona = personality(persona); |
| |
| if (prev_persona < 0) { |
| tst_brk_(filename, lineno, TBROK | TERRNO, |
| "persona(%ld) failed", persona); |
| } |
| |
| return prev_persona; |
| } |