X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/b3bf9b9df95137a3a43248be9599d919b04877af..bd685982389b78a158921b7839bdeca501338d19:/cleanup.c

diff --git a/cleanup.c b/cleanup.c
index 19ef072c..cf5f2122 100644
--- a/cleanup.c
+++ b/cleanup.c
@@ -24,13 +24,17 @@
 
 extern int am_server;
 extern int am_daemon;
+extern int am_receiver;
 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;
 
+BOOL shutting_down = False;
+
 #ifdef HAVE_SIGACTION
 static struct sigaction sigact;
 #endif
@@ -94,15 +98,19 @@ 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 switch_step = 0;
+	static int exit_code = 0, exit_line = 0;
+	static const char *exit_file = NULL;
 	static int unmodified_code = 0;
 
 	SIGACTION(SIGUSR1, SIG_IGN);
 	SIGACTION(SIGUSR2, SIG_IGN);
 
-	if (exit_code) /* Preserve first error code when recursing. */
+	if (exit_code) { /* Preserve first exit info when recursing. */
 		code = exit_code;
+		file = exit_file;
+		line = exit_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()). */
@@ -111,10 +119,13 @@ NORETURN void _exit_cleanup(int code, const char *file, int line)
 
 	/* 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;
+		exit_file = file;
+		exit_line = line;
 
 		if (output_needs_newline) {
 			fputc('\n', stdout);
@@ -123,12 +134,13 @@ NORETURN void _exit_cleanup(int code, const char *file, int line)
 
 		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, file, line);
 		}
 
 		/* FALLTHROUGH */
 #include "case_N.h"
+		switch_step++;
 
 		if (cleanup_child_pid != -1) {
 			int status;
@@ -142,6 +154,7 @@ NORETURN void _exit_cleanup(int code, const char *file, int line)
 
 		/* 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)) {
@@ -159,11 +172,14 @@ NORETURN void _exit_cleanup(int code, const char *file, int line)
 
 		/* FALLTHROUGH */
 #include "case_N.h"
+		switch_step++;
 
-		io_flush(FULL_FLUSH);
+		if (!code || am_server || am_receiver)
+			io_flush(FULL_FLUSH);
 
 		/* FALLTHROUGH */
 #include "case_N.h"
+		switch_step++;
 
 		if (cleanup_fname)
 			do_unlink(cleanup_fname);
@@ -184,21 +200,42 @@ NORETURN void _exit_cleanup(int code, const char *file, int line)
 				code = exit_code = RERR_PARTIAL;
 		}
 
-		if (code || am_daemon || (logfile_name && (am_server || !INFO_GTE(STATS, 1))))
+		/* If line < 0, this exit is after a MSG_ERROR_EXIT event, so
+		 * we don't want to output a duplicate error. */
+		if ((code && line > 0)
+		 || am_daemon || (logfile_name && (am_server || !INFO_GTE(STATS, 1))))
 			log_exit(code, file, line);
 
 		/* FALLTHROUGH */
 #include "case_N.h"
+		switch_step++;
 
 		if (DEBUG_GTE(EXIT, 1)) {
 			rprintf(FINFO,
-				"_exit_cleanup(code=%d, file=%s, line=%d): "
+				"[%s] _exit_cleanup(code=%d, file=%s, line=%d): "
 				"about to call exit(%d)\n",
-				unmodified_code, file, line, code);
+				who_am_i(), unmodified_code, file, line, code);
+		}
+
+		/* FALLTHROUGH */
+#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 && (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);
+			}
+			noop_io_until_death();
 		}
 
 		/* FALLTHROUGH */
 #include "case_N.h"
+		switch_step++;
 
 		if (am_server && code)
 			msleep(100);