1 /*
2 * Copyright (c) 2015-2016 Cyril Hrubis <chrubis@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__
tst_run_cmd_fds(const char * const argv[],int stdout_fd,int stderr_fd,int pass_exit_val)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
tst_run_cmd(const char * const argv[],const char * stdout_path,const char * stderr_path,int pass_exit_val)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
tst_run_cmd_fds(void (cleanup_fn)(void),const char * const argv[],int stdout_fd,int stderr_fd,int pass_exit_val)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
tst_run_cmd(void (cleanup_fn)(void),const char * const argv[],const char * stdout_path,const char * stderr_path,int pass_exit_val)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