- /* Low-level file-handling.
- Copyright (C) 2012-2015 Free Software Foundation, Inc.
- This file is part of GDB.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
- #ifndef FILESTUFF_H
- #define FILESTUFF_H
- /* Note all the file descriptors which are open when this is called.
- These file descriptors will not be closed by close_most_fds. */
- extern void notice_open_fds (void);
- /* Mark a file descriptor as inheritable across an exec. */
- extern void mark_fd_no_cloexec (int fd);
- /* Mark a file descriptor as no longer being inheritable across an
- exec. This is only meaningful when FD was previously passed to
- mark_fd_no_cloexec. */
- extern void unmark_fd_no_cloexec (int fd);
- /* Close all open file descriptors other than those marked by
- 'notice_open_fds', and stdin, stdout, and stderr. Errors that
- occur while closing are ignored. */
- extern void close_most_fds (void);
- /* Like 'open', but ensures that the returned file descriptor has the
- close-on-exec flag set. */
- extern int gdb_open_cloexec (const char *filename, int flags,
- /* mode_t */ unsigned long mode);
- /* Like 'fopen', but ensures that the returned file descriptor has the
- close-on-exec flag set. */
- extern FILE *gdb_fopen_cloexec (const char *filename, const char *opentype);
- /* Like 'socketpair', but ensures that the returned file descriptors
- have the close-on-exec flag set. */
- extern int gdb_socketpair_cloexec (int namespace, int style, int protocol,
- int filedes[2]);
- /* Like 'socket', but ensures that the returned file descriptor has
- the close-on-exec flag set. */
- extern int gdb_socket_cloexec (int namespace, int style, int protocol);
- /* Like 'pipe', but ensures that the returned file descriptors have
- the close-on-exec flag set. */
- extern int gdb_pipe_cloexec (int filedes[2]);
- #endif /* FILESTUFF_H */