1 #ifndef __LINUX_KMOD_H__ 2 #define __LINUX_KMOD_H__ 3 4 /* 5 * include/linux/kmod.h 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 */ 21 22 #include <linux/stddef.h> 23 #include <linux/errno.h> 24 #include <linux/compiler.h> 25 26 #define KMOD_PATH_LEN 256 27 28 #ifdef CONFIG_KMOD 29 /* modprobe exit status on success, -ve on error. Return value 30 * usually useless though. */ 31 extern int request_module(const char * name, ...) __attribute__ ((format (printf, 1, 2))); 32 #else 33 static inline int request_module(const char * name, ...) { return -ENOSYS; } 34 #endif 35 36 #define try_then_request_module(x, mod...) ((x) ?: (request_module(mod), (x))) 37 38 struct key; 39 extern int call_usermodehelper_keys(char *path, char *argv[], char *envp[], 40 struct key *session_keyring, int wait); 41 42 static inline int 43 call_usermodehelper(char *path, char **argv, char **envp, int wait) 44 { 45 return call_usermodehelper_keys(path, argv, envp, NULL, wait); 46 } 47 48 extern void usermodehelper_init(void); 49 50 #endif /* __LINUX_KMOD_H__ */ 51
