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) {
46 ret = shutdown(fd, 2);
56 * Code for handling interrupted transfers. Depending on the @c
57 * --partial option, we may either delete the temporary file, or go
58 * ahead and overwrite the destination. This second behaviour only
59 * occurs if we've sent literal data and therefore hopefully made
60 * progress on the transfer.
64 * Set to True once literal data has been sent across the link for the
65 * current file. (????)
67 * Handling the cleanup when a transfer is interrupted is tricky when
68 * --partial is selected. We need to ensure that the partial file is
69 * kept if any real data has been transferred.
71 int cleanup_got_literal = 0;
73 static char *cleanup_fname;
74 static char *cleanup_new_fname;
75 static struct file_struct *cleanup_file;
76 static int cleanup_fd1, cleanup_fd2;
77 static struct map_struct *cleanup_buf;
78 static pid_t cleanup_pid = 0;
80 pid_t cleanup_child_pid = -1;
83 * Eventually calls exit(), passing @p code, therefore does not return.
85 * @param code one of the RERR_* codes from errcode.h.
87 void _exit_cleanup(int code, const char *file, int line)
90 static int inside_cleanup = 0;
92 if (inside_cleanup > 10) {
93 /* prevent the occasional infinite recursion */
98 signal(SIGUSR1, SIG_IGN);
99 signal(SIGUSR2, SIG_IGN);
102 rprintf(FINFO,"_exit_cleanup(code=%d, file=%s, line=%d): entered\n",
106 if (cleanup_child_pid != -1) {
108 if (waitpid(cleanup_child_pid, &status, WNOHANG) == cleanup_child_pid) {
109 status = WEXITSTATUS(status);
115 if (cleanup_got_literal && cleanup_fname && keep_partial) {
116 char *fname = cleanup_fname;
117 cleanup_fname = NULL;
119 unmap_file(cleanup_buf);
120 if (cleanup_fd1 != -1)
122 if (cleanup_fd2 != -1)
124 finish_transfer(cleanup_new_fname, fname, cleanup_file, 0);
126 io_flush(FULL_FLUSH);
128 do_unlink(cleanup_fname);
131 if (cleanup_pid && cleanup_pid == getpid()) {
132 char *pidf = lp_pid_file();
134 unlink(lp_pid_file());
138 if ((io_error & ~IOERR_VANISHED) || log_got_error)
141 code = RERR_VANISHED;
145 log_exit(code, file, line);
148 rprintf(FINFO,"_exit_cleanup(code=%d, file=%s, line=%d): about to call exit(%d)\n",
149 ocode, file, line, code);
156 void cleanup_disable(void)
158 cleanup_fname = NULL;
159 cleanup_got_literal = 0;
163 void cleanup_set(char *fnametmp, char *fname, struct file_struct *file,
164 struct map_struct *buf, int fd1, int fd2)
166 cleanup_fname = fnametmp;
167 cleanup_new_fname = fname;
174 void cleanup_set_pid(pid_t pid)