GDB 7.6.50

gdb/common/filestuff.h

+/* Low-level file-handling.
+   Copyright (C) 2012, 2013 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 */