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614c279d | 1 | /* Low-level file-handling. |
618f726f | 2 | Copyright (C) 2012-2016 Free Software Foundation, Inc. |
614c279d TT |
3 | |
4 | This file is part of GDB. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef FILESTUFF_H | |
20 | #define FILESTUFF_H | |
21 | ||
22 | /* Note all the file descriptors which are open when this is called. | |
23 | These file descriptors will not be closed by close_most_fds. */ | |
24 | ||
25 | extern void notice_open_fds (void); | |
26 | ||
21ff4686 TT |
27 | /* Mark a file descriptor as inheritable across an exec. */ |
28 | ||
29 | extern void mark_fd_no_cloexec (int fd); | |
30 | ||
31 | /* Mark a file descriptor as no longer being inheritable across an | |
32 | exec. This is only meaningful when FD was previously passed to | |
33 | mark_fd_no_cloexec. */ | |
34 | ||
35 | extern void unmark_fd_no_cloexec (int fd); | |
36 | ||
614c279d TT |
37 | /* Close all open file descriptors other than those marked by |
38 | 'notice_open_fds', and stdin, stdout, and stderr. Errors that | |
39 | occur while closing are ignored. */ | |
40 | ||
41 | extern void close_most_fds (void); | |
42 | ||
43 | /* Like 'open', but ensures that the returned file descriptor has the | |
44 | close-on-exec flag set. */ | |
45 | ||
5d71132c TT |
46 | extern int gdb_open_cloexec (const char *filename, int flags, |
47 | /* mode_t */ unsigned long mode); | |
614c279d TT |
48 | |
49 | /* Like 'fopen', but ensures that the returned file descriptor has the | |
50 | close-on-exec flag set. */ | |
51 | ||
52 | extern FILE *gdb_fopen_cloexec (const char *filename, const char *opentype); | |
53 | ||
54 | /* Like 'socketpair', but ensures that the returned file descriptors | |
55 | have the close-on-exec flag set. */ | |
56 | ||
fe978cb0 | 57 | extern int gdb_socketpair_cloexec (int domain, int style, int protocol, |
614c279d TT |
58 | int filedes[2]); |
59 | ||
60 | /* Like 'socket', but ensures that the returned file descriptor has | |
61 | the close-on-exec flag set. */ | |
62 | ||
fe978cb0 | 63 | extern int gdb_socket_cloexec (int domain, int style, int protocol); |
614c279d TT |
64 | |
65 | /* Like 'pipe', but ensures that the returned file descriptors have | |
66 | the close-on-exec flag set. */ | |
67 | ||
68 | extern int gdb_pipe_cloexec (int filedes[2]); | |
69 | ||
ca095836 GB |
70 | /* Return a new cleanup that closes FD. */ |
71 | ||
72 | extern struct cleanup *make_cleanup_close (int fd); | |
73 | ||
614c279d | 74 | #endif /* FILESTUFF_H */ |