* Copyright (C) 1996-2000 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
* Copyright (C) 2002 Martin Pool
- * Copyright (C) 2003-2009 Wayne Davison
+ * Copyright (C) 2003-2020 Wayne Davison
*
* 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
#include "rsync.h"
+extern int dry_run;
extern int am_server;
extern int am_daemon;
+extern int am_receiver;
+extern int am_sender;
extern int io_error;
extern int keep_partial;
extern int got_xfer_error;
+extern int protocol_version;
extern int output_needs_newline;
extern char *partial_dir;
extern char *logfile_name;
+int called_from_signal_handler = 0;
+BOOL shutting_down = False;
+BOOL flush_ok_after_signal = False;
+
#ifdef HAVE_SIGACTION
static struct sigaction sigact;
#endif
static const char *cleanup_fname;
static const char *cleanup_new_fname;
static struct file_struct *cleanup_file;
-static int cleanup_fd_r, cleanup_fd_w;
+static int cleanup_fd_r = -1, cleanup_fd_w = -1;
static pid_t cleanup_pid = 0;
pid_t cleanup_child_pid = -1;
**/
NORETURN void _exit_cleanup(int code, const char *file, int line)
{
- static int cleanup_step = 0;
- static int exit_code = 0;
- static int unmodified_code = 0;
+ static int switch_step = 0;
+ static int exit_code = 0, exit_line = 0;
+ static const char *exit_file = NULL;
+ static int first_code = 0;
SIGACTION(SIGUSR1, SIG_IGN);
SIGACTION(SIGUSR2, SIG_IGN);
- if (exit_code) /* Preserve first error code when recursing. */
- code = exit_code;
+ if (!exit_code) { /* Preserve first error exit info when recursing. */
+ exit_code = code;
+ exit_file = file;
+ exit_line = line < 0 ? -line : line;
+ }
/* If this is the exit at the end of the run, the server side
* should not attempt to output a message (see log_exit()). */
/* Some of our actions might cause a recursive call back here, so we
* keep track of where we are in the cleanup and never repeat a step. */
- switch (cleanup_step) {
-#include "case_N.h" /* case 0: cleanup_step++; */
+ switch (switch_step) {
+#include "case_N.h" /* case 0: */
+ switch_step++;
- exit_code = unmodified_code = code;
+ first_code = code;
if (output_needs_newline) {
fputc('\n', stdout);
if (DEBUG_GTE(EXIT, 2)) {
rprintf(FINFO,
- "_exit_cleanup(code=%d, file=%s, line=%d): entered\n",
- code, file, line);
+ "[%s] _exit_cleanup(code=%d, file=%s, line=%d): entered\n",
+ who_am_i(), code, src_file(file), line);
}
- /* FALLTHROUGH */
#include "case_N.h"
+ switch_step++;
if (cleanup_child_pid != -1) {
int status;
int pid = wait_process(cleanup_child_pid, &status, WNOHANG);
if (pid == cleanup_child_pid) {
status = WEXITSTATUS(status);
- if (status > code)
- code = exit_code = status;
+ if (status > exit_code)
+ exit_code = status;
}
}
- /* FALLTHROUGH */
#include "case_N.h"
+ switch_step++;
- if (cleanup_got_literal && cleanup_fname && cleanup_new_fname
- && keep_partial && handle_partial_dir(cleanup_new_fname, PDIR_CREATE)) {
- const char *fname = cleanup_fname;
- cleanup_fname = NULL;
- if (cleanup_fd_r != -1)
+ if (cleanup_got_literal && (cleanup_fname || cleanup_fd_w != -1)) {
+ if (cleanup_fd_r != -1) {
close(cleanup_fd_r);
+ cleanup_fd_r = -1;
+ }
if (cleanup_fd_w != -1) {
flush_write_file(cleanup_fd_w);
close(cleanup_fd_w);
+ cleanup_fd_w = -1;
+ }
+ if (cleanup_fname && cleanup_new_fname && keep_partial
+ && handle_partial_dir(cleanup_new_fname, PDIR_CREATE)) {
+ int tweak_modtime = 0;
+ const char *fname = cleanup_fname;
+ cleanup_fname = NULL;
+ if (!partial_dir) {
+ /* We don't want to leave a partial file with a modern time or it
+ * could be skipped via --update. Setting the time to something
+ * really old also helps it to stand out as unfinished in an ls. */
+ tweak_modtime = 1;
+ cleanup_file->modtime = 0;
+ }
+ finish_transfer(cleanup_new_fname, fname, NULL, NULL,
+ cleanup_file, tweak_modtime, !partial_dir);
}
- finish_transfer(cleanup_new_fname, fname, NULL, NULL,
- cleanup_file, 0, !partial_dir);
}
- /* FALLTHROUGH */
#include "case_N.h"
+ switch_step++;
- io_flush(FULL_FLUSH);
+ if (flush_ok_after_signal) {
+ flush_ok_after_signal = False;
+ if (code == RERR_SIGNAL)
+ io_flush(FULL_FLUSH);
+ }
+ if (!exit_code && !code)
+ io_flush(FULL_FLUSH);
- /* FALLTHROUGH */
#include "case_N.h"
+ switch_step++;
if (cleanup_fname)
do_unlink(cleanup_fname);
- if (code)
+ if (exit_code)
kill_all(SIGUSR1);
if (cleanup_pid && cleanup_pid == getpid()) {
char *pidf = lp_pid_file();
unlink(lp_pid_file());
}
- if (code == 0) {
+ if (exit_code == 0) {
+ if (code)
+ exit_code = code;
if (io_error & IOERR_DEL_LIMIT)
- code = exit_code = RERR_DEL_LIMIT;
+ exit_code = RERR_DEL_LIMIT;
if (io_error & IOERR_VANISHED)
- code = exit_code = RERR_VANISHED;
+ exit_code = RERR_VANISHED;
if (io_error & IOERR_GENERAL || got_xfer_error)
- code = exit_code = RERR_PARTIAL;
+ exit_code = RERR_PARTIAL;
}
- if (code || am_daemon || (logfile_name && (am_server || !INFO_GTE(STATS, 1))))
- log_exit(code, file, line);
+ /* If line < 0, this exit is after a MSG_ERROR_EXIT event, so
+ * we don't want to output a duplicate error. */
+ if ((exit_code && line > 0)
+ || am_daemon || (logfile_name && (am_server || !INFO_GTE(STATS, 1)))) {
+ log_exit(exit_code, exit_file, exit_line);
+ }
- /* FALLTHROUGH */
#include "case_N.h"
+ switch_step++;
if (DEBUG_GTE(EXIT, 1)) {
rprintf(FINFO,
- "_exit_cleanup(code=%d, file=%s, line=%d): "
- "about to call exit(%d)\n",
- unmodified_code, file, line, code);
+ "[%s] _exit_cleanup(code=%d, file=%s, line=%d): "
+ "about to call exit(%d)%s\n",
+ who_am_i(), first_code, exit_file, exit_line, exit_code,
+ dry_run ? " (DRY RUN)" : "");
+ }
+
+#include "case_N.h"
+ switch_step++;
+
+ if (exit_code && exit_code != RERR_SOCKETIO && exit_code != RERR_STREAMIO && exit_code != RERR_SIGNAL1
+ && exit_code != RERR_TIMEOUT && !shutting_down) {
+ if (protocol_version >= 31 || am_receiver) {
+ if (line > 0) {
+ if (DEBUG_GTE(EXIT, 3)) {
+ rprintf(FINFO, "[%s] sending MSG_ERROR_EXIT with exit_code %d\n",
+ who_am_i(), exit_code);
+ }
+ send_msg_int(MSG_ERROR_EXIT, exit_code);
+ }
+ if (!am_sender)
+ io_flush(MSG_FLUSH); /* Be sure to send all messages */
+ noop_io_until_death();
+ }
+ else if (!am_sender)
+ io_flush(MSG_FLUSH); /* Be sure to send all messages */
}
- /* FALLTHROUGH */
#include "case_N.h"
+ switch_step++;
- if (am_server && code)
+ if (am_server && exit_code)
msleep(100);
close_all();
break;
}
- exit(code);
+ if (called_from_signal_handler)
+ _exit(exit_code);
+ exit(exit_code);
}
void cleanup_disable(void)
{
cleanup_fname = cleanup_new_fname = NULL;
+ cleanup_fd_r = cleanup_fd_w = -1;
cleanup_got_literal = 0;
}
git.samba.org / rsync.git / blobdiff