1 /* -*- c-file-style: "linux" -*-
3 Copyright (C) 1996-2000 by Andrew Tridgell
4 Copyright (C) Paul Mackerras 1996
5 Copyright (C) 2002 by Martin Pool
7 This program 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.
12 This program 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.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 extern int keep_partial;
26 extern int log_got_error;
29 * Close all open sockets and files, allowing a (somewhat) graceful
30 * shutdown() of socket connections. This eliminates the abortive
31 * TCP RST sent by a Winsock-based system when the close() occurs.
35 #ifdef SHUTDOWN_ALL_SOCKETS
41 max_fd = sysconf(_SC_OPEN_MAX) - 1;
42 for (fd = max_fd; fd >= 0; fd--) {
44 if (fstat(fd,&st) == 0) {
45 if (is_a_socket(fd)) {
46 ret = shutdown(fd, 2);
57 * Code for handling interrupted transfers. Depending on the @c
58 * --partial option, we may either delete the temporary file, or go
59 * ahead and overwrite the destination. This second behaviour only
60 * occurs if we've sent literal data and therefore hopefully made
61 * progress on the transfer.
65 * Set to True once literal data has been sent across the link for the
66 * current file. (????)
68 * Handling the cleanup when a transfer is interrupted is tricky when
69 * --partial is selected. We need to ensure that the partial file is
70 * kept if any real data has been transferred.
72 int cleanup_got_literal=0;
74 static char *cleanup_fname;
75 static char *cleanup_new_fname;
76 static struct file_struct *cleanup_file;
77 static int cleanup_fd1, cleanup_fd2;
78 static struct map_struct *cleanup_buf;
79 static pid_t cleanup_pid = 0;
81 pid_t cleanup_child_pid = -1;
84 * Eventually calls exit(), passing @p code, therefore does not return.
86 * @param code one of the RERR_* codes from errcode.h.
88 void _exit_cleanup(int code, const char *file, int line)
91 static int inside_cleanup = 0;
93 if (inside_cleanup > 10) {
94 /* prevent the occasional infinite recursion */
99 signal(SIGUSR1, SIG_IGN);
100 signal(SIGUSR2, SIG_IGN);
103 rprintf(FINFO,"_exit_cleanup(code=%d, file=%s, line=%d): entered\n",
107 if (cleanup_child_pid != -1) {
109 if (waitpid(cleanup_child_pid, &status, WNOHANG) == cleanup_child_pid) {
110 status = WEXITSTATUS(status);
111 if (status > code) code = status;
115 if (cleanup_got_literal && cleanup_fname && keep_partial) {
116 char *fname = cleanup_fname;
117 cleanup_fname = NULL;
118 if (cleanup_buf) unmap_file(cleanup_buf);
119 if (cleanup_fd1 != -1) close(cleanup_fd1);
120 if (cleanup_fd2 != -1) close(cleanup_fd2);
121 finish_transfer(cleanup_new_fname, fname, cleanup_file, 0);
123 io_flush(FULL_FLUSH);
125 do_unlink(cleanup_fname);
129 if (cleanup_pid && cleanup_pid == getpid()) {
130 char *pidf = lp_pid_file();
132 unlink(lp_pid_file());
137 if ((io_error & ~IOERR_VANISHED) || log_got_error)
140 code = RERR_VANISHED;
143 if (code) log_exit(code, file, line);
146 rprintf(FINFO,"_exit_cleanup(code=%d, file=%s, line=%d): about to call exit(%d)\n",
147 ocode, file, line, code);
154 void cleanup_disable(void)
156 cleanup_fname = NULL;
157 cleanup_got_literal = 0;
161 void cleanup_set(char *fnametmp, char *fname, struct file_struct *file,
162 struct map_struct *buf, int fd1, int fd2)
164 cleanup_fname = fnametmp;
165 cleanup_new_fname = fname;
172 void cleanup_set_pid(pid_t pid)