cleanup.c   [plain text]

/* -*- c-file-style: "linux" -*-
   Copyright (C) 1996-2000 by Andrew Tridgell
   Copyright (C) Paul Mackerras 1996
   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 2 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
   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, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#include "rsync.h"

/* handling the cleanup when a transfer is interrupted is tricky when
   --partial is selected. We need to ensure that the partial file is
   kept if any real data has been transferred */
int cleanup_got_literal=0;

static char *cleanup_fname;
static char *cleanup_new_fname;
static struct file_struct *cleanup_file;
static int cleanup_fd1, cleanup_fd2;
static struct map_struct *cleanup_buf;
static int cleanup_pid = 0;
extern int io_error;

pid_t cleanup_child_pid = -1;

 * Code is one of the RERR_* codes from errcode.h.
void _exit_cleanup(int code, const char *file, int line)
	extern int keep_partial;
	extern int log_got_error;

	signal(SIGUSR1, SIG_IGN);
	signal(SIGUSR2, SIG_IGN);

	if (cleanup_child_pid != -1) {
		int status;
		if (waitpid(cleanup_child_pid, &status, WNOHANG) == cleanup_child_pid) {
			status = WEXITSTATUS(status);
			if (status > code) code = status;

	if (cleanup_got_literal && cleanup_fname && keep_partial) {
		char *fname = cleanup_fname;
		cleanup_fname = NULL;
		if (cleanup_buf) unmap_file(cleanup_buf);
		if (cleanup_fd1 != -1) close(cleanup_fd1);
		if (cleanup_fd2 != -1) close(cleanup_fd2);
		finish_transfer(cleanup_new_fname, fname, cleanup_file);
	if (cleanup_fname)
	if (code) {
	if ((cleanup_pid != 0) && (cleanup_pid == (int) getpid())) {
		char *pidf = lp_pid_file();
		if (pidf && *pidf) {

	if (code == 0 && (io_error || log_got_error)) {
		code = RERR_PARTIAL;

	if (code) log_exit(code, file, line);


void cleanup_disable(void)
	cleanup_fname = NULL;
	cleanup_got_literal = 0;

void cleanup_set(char *fnametmp, char *fname, struct file_struct *file,
		 struct map_struct *buf, int fd1, int fd2)
	cleanup_fname = fnametmp;
	cleanup_new_fname = fname;
	cleanup_file = file;
	cleanup_buf = buf;
	cleanup_fd1 = fd1;
	cleanup_fd2 = fd2;

void cleanup_set_pid(int pid)
	cleanup_pid = pid;