1 /* 2 * Copyright (c) 2015-2016 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 #ifndef TST_CMD_H__ 19 #define TST_CMD_H__ 20 21 /* 22 * vfork() + execvp() specified program. 23 * @argv: a list of two (at least program name + NULL) or more pointers that 24 * represent the argument list to the new program. The array of pointers 25 * must be terminated by a NULL pointer. 26 * @stdout_fd: file descriptor where to redirect stdout. Set -1 if 27 * redirection is not needed. 28 * @stderr_fd: file descriptor where to redirect stderr. Set -1 if 29 * redirection is not needed. 30 * @pass_exit_val: if it's non-zero, this function will return the program 31 * exit code, otherwise it will call cleanup_fn() if the program 32 * exit code is not zero. 33 */ 34 int tst_run_cmd_fds_(void (cleanup_fn)(void), 35 const char *const argv[], 36 int stdout_fd, 37 int stderr_fd, 38 int pass_exit_val); 39 40 /* Executes tst_run_cmd_fds() and redirects its output to a file 41 * @stdout_path: path where to redirect stdout. Set NULL if redirection is 42 * not needed. 43 * @stderr_path: path where to redirect stderr. Set NULL if redirection is 44 * not needed. 45 * @pass_exit_val: if it's non-zero, this function will return the program 46 * exit code, otherwise it will call cleanup_fn() if the program 47 * exit code is not zero. 48 */ 49 int tst_run_cmd_(void (cleanup_fn)(void), 50 const char *const argv[], 51 const char *stdout_path, 52 const char *stderr_path, 53 int pass_exit_val); 54 55 #ifdef TST_TEST_H__ 56 static inline int tst_run_cmd_fds(const char *const argv[], 57 int stdout_fd, 58 int stderr_fd, 59 int pass_exit_val) 60 { 61 return tst_run_cmd_fds_(NULL, argv, 62 stdout_fd, stderr_fd, pass_exit_val); 63 } 64 65 static inline int tst_run_cmd(const char *const argv[], 66 const char *stdout_path, 67 const char *stderr_path, 68 int pass_exit_val) 69 { 70 return tst_run_cmd_(NULL, argv, 71 stdout_path, stderr_path, pass_exit_val); 72 } 73 #else 74 static inline int tst_run_cmd_fds(void (cleanup_fn)(void), 75 const char *const argv[], 76 int stdout_fd, 77 int stderr_fd, 78 int pass_exit_val) 79 { 80 return tst_run_cmd_fds_(cleanup_fn, argv, 81 stdout_fd, stderr_fd, pass_exit_val); 82 } 83 84 static inline int tst_run_cmd(void (cleanup_fn)(void), 85 const char *const argv[], 86 const char *stdout_path, 87 const char *stderr_path, 88 int pass_exit_val) 89 { 90 return tst_run_cmd_(cleanup_fn, argv, 91 stdout_path, stderr_path, pass_exit_val); 92 } 93 #endif 94 95 /* Wrapper function for system(3), ignorcing SIGCHLD signal. 96 * @command: the command to be run. 97 */ 98 int tst_system(const char *command); 99 100 #endif /* TST_CMD_H__ */ 101
