2 FUSE: Filesystem in Userspace
3 Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
5 This program can be distributed under the terms of the GNU LGPLv2.
6 See the file COPYING.LIB
9 #include "fuse_lowlevel.h"
15 static struct fuse_session *fuse_instance;
17 static void exit_handler(int sig)
21 fuse_session_exit(fuse_instance);
24 static int set_one_signal_handler(int sig, void (*handler)(int))
27 struct sigaction old_sa;
29 memset(&sa, 0, sizeof(struct sigaction));
30 sa.sa_handler = handler;
31 sigemptyset(&(sa.sa_mask));
34 if (sigaction(sig, NULL, &old_sa) == -1) {
35 perror("fuse: cannot get old signal handler");
39 if (old_sa.sa_handler == SIG_DFL &&
40 sigaction(sig, &sa, NULL) == -1) {
41 perror("fuse: cannot set signal handler");
47 int fuse_set_signal_handlers(struct fuse_session *se)
49 if (set_one_signal_handler(SIGHUP, exit_handler) == -1 ||
50 set_one_signal_handler(SIGINT, exit_handler) == -1 ||
51 set_one_signal_handler(SIGTERM, exit_handler) == -1 ||
52 set_one_signal_handler(SIGPIPE, SIG_IGN) == -1)
59 void fuse_remove_signal_handlers(struct fuse_session *se)
61 if (fuse_instance != se)
63 "fuse: fuse_remove_signal_handlers: unknown session\n");
67 set_one_signal_handler(SIGHUP, SIG_DFL);
68 set_one_signal_handler(SIGINT, SIG_DFL);
69 set_one_signal_handler(SIGTERM, SIG_DFL);
70 set_one_signal_handler(SIGPIPE, SIG_DFL);