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1479465f GJ |
1 | /* |
2 | * libdpkg - Debian packaging suite library routines | |
3 | * subproc.h - sub-process handling routines | |
4 | * | |
5 | * Copyright © 2008-2014 Guillem Jover <guillem@debian.org> | |
6 | * | |
7 | * This 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 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, see <https://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #ifndef LIBDPKG_SUBPROC_H | |
22 | #define LIBDPKG_SUBPROC_H | |
23 | ||
24 | #include <sys/types.h> | |
25 | ||
26 | #include <dpkg/macros.h> | |
27 | ||
28 | DPKG_BEGIN_DECLS | |
29 | ||
30 | /** | |
31 | * @defgroup subproc Sub-process handling | |
32 | * @ingroup dpkg-internal | |
33 | * @{ | |
34 | */ | |
35 | ||
36 | enum subproc_flags { | |
37 | /** Default subprocess flags. */ | |
38 | SUBPROC_NORMAL = 0, | |
39 | /** Emit a warning instead of an error. */ | |
40 | SUBPROC_WARN = DPKG_BIT(0), | |
41 | /** Ignore SIGPIPE, and make it return 0. */ | |
42 | SUBPROC_NOPIPE = DPKG_BIT(1), | |
43 | /** Do not check the subprocess status. */ | |
44 | SUBPROC_NOCHECK = DPKG_BIT(2), | |
45 | /** Do not emit errors, just return the exit status. */ | |
46 | SUBPROC_RETERROR = DPKG_BIT(3), | |
47 | /** Do not emit errors, just return the signal number. */ | |
48 | SUBPROC_RETSIGNO = DPKG_BIT(3), | |
49 | }; | |
50 | ||
51 | void subproc_signals_ignore(const char *name); | |
52 | void subproc_signals_cleanup(int argc, void **argv); | |
53 | void subproc_signals_restore(void); | |
54 | ||
55 | pid_t subproc_fork(void); | |
56 | int subproc_reap(pid_t pid, const char *desc, enum subproc_flags flags); | |
57 | ||
58 | /** @} */ | |
59 | ||
60 | DPKG_END_DECLS | |
61 | ||
62 | #endif /* LIBDPKG_SUBPROC_H */ |