- When exiting, set the flag "in_exit_cleanup".

[rsync/rsync.git] / cleanup.c

diff --git a/cleanup.c b/cleanup.c
index d183c9d..f1ee321 100644 (file)
--- a/cleanup.c
+++ b/cleanup.c
@@ -1,30 +1,39 @@
-/* -*- c-file-style: "linux" -*-
-
-   Copyright (C) 1996-2000 by Andrew Tridgell
-   Copyright (C) Paul Mackerras 1996
-   Copyright (C) 2002 by Martin Pool
-
-   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
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   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.
-*/
+/*
+ * End-of-run cleanup routines.
+ *
+ * Copyright (C) 1996-2000 Andrew Tridgell
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2002 Martin Pool
+ * Copyright (C) 2003, 2004, 2005, 2006 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
+ * 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * 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.,
+ * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ */
 
 #include "rsync.h"
 
+extern int am_server;
+extern int am_daemon;
 extern int io_error;
 extern int keep_partial;
 extern int log_got_error;
 extern char *partial_dir;
+extern char *logfile_name;
+
+#ifdef HAVE_SIGACTION
+static struct sigaction sigact;
+#endif
 
 /**
  * Close all open sockets and files, allowing a (somewhat) graceful
@@ -78,40 +87,37 @@ static pid_t cleanup_pid = 0;
 
 pid_t cleanup_child_pid = -1;
 
+int in_exit_cleanup = 0;
+
 /**
  * Eventually calls exit(), passing @p code, therefore does not return.
  *
  * @param code one of the RERR_* codes from errcode.h.
  **/
-void _exit_cleanup(int code, const char *file, int line)
+NORETURN void _exit_cleanup(int code, const char *file, int line)
 {
        int ocode = code;
-       static int inside_cleanup = 0;
 
-       if (inside_cleanup > 10) {
-               /* prevent the occasional infinite recursion */
-               return;
-       }
-       inside_cleanup++;
+       SIGACTION(SIGUSR1, SIG_IGN);
+       SIGACTION(SIGUSR2, SIG_IGN);
 
-       signal(SIGUSR1, SIG_IGN);
-       signal(SIGUSR2, SIG_IGN);
+       in_exit_cleanup = 1;
 
        if (verbose > 3) {
                rprintf(FINFO,"_exit_cleanup(code=%d, file=%s, line=%d): entered\n",
-                       code, safe_fname(file), line);
+                       code, file, line);
        }
 
        if (cleanup_child_pid != -1) {
                int status;
-               if (waitpid(cleanup_child_pid, &status, WNOHANG) == cleanup_child_pid) {
+               if (wait_process(cleanup_child_pid, &status, WNOHANG) == cleanup_child_pid) {
                        status = WEXITSTATUS(status);
                        if (status > code)
                                code = status;
                }
        }
 
-       if (cleanup_got_literal && cleanup_fname && keep_partial
+       if (cleanup_got_literal && cleanup_new_fname && keep_partial
            && handle_partial_dir(cleanup_new_fname, PDIR_CREATE)) {
                char *fname = cleanup_fname;
                cleanup_fname = NULL;
@@ -121,8 +127,8 @@ void _exit_cleanup(int code, const char *file, int line)
                        flush_write_file(cleanup_fd_w);
                        close(cleanup_fd_w);
                }
-               finish_transfer(cleanup_new_fname, fname, cleanup_file, 0,
-                               !partial_dir);
+               finish_transfer(cleanup_new_fname, fname, NULL,
+                               cleanup_file, 0, !partial_dir);
        }
        io_flush(FULL_FLUSH);
        if (cleanup_fname)
@@ -136,18 +142,20 @@ void _exit_cleanup(int code, const char *file, int line)
        }
 
        if (code == 0) {
-               if ((io_error & ~IOERR_VANISHED) || log_got_error)
-                       code = RERR_PARTIAL;
-               else if (io_error)
+               if (io_error & IOERR_DEL_LIMIT)
+                       code = RERR_DEL_LIMIT;
+               if (io_error & IOERR_VANISHED)
                        code = RERR_VANISHED;
+               if (io_error & IOERR_GENERAL || log_got_error)
+                       code = RERR_PARTIAL;
        }
 
-       if (code)
+       if (code || am_daemon || (logfile_name && (am_server || !verbose)))
                log_exit(code, file, line);
 
        if (verbose > 2) {
                rprintf(FINFO,"_exit_cleanup(code=%d, file=%s, line=%d): about to call exit(%d)\n",
-                       ocode, safe_fname(file), line, code);
+                       ocode, file, line, code);
        }
 
        close_all();
@@ -156,7 +164,7 @@ void _exit_cleanup(int code, const char *file, int line)
 
 void cleanup_disable(void)
 {
-       cleanup_fname = NULL;
+       cleanup_fname = cleanup_new_fname = NULL;
        cleanup_got_literal = 0;
 }
 
@@ -165,7 +173,7 @@ void cleanup_set(char *fnametmp, char *fname, struct file_struct *file,
                 int fd_r, int fd_w)
 {
        cleanup_fname = fnametmp;
-       cleanup_new_fname = fname;
+       cleanup_new_fname = fname; /* can be NULL on a partial-dir failure */
        cleanup_file = file;
        cleanup_fd_r = fd_r;
        cleanup_fd_w = fd_w;