From 82980a23840452c069c37dd7c99c3ac937536847 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Wed, 16 Aug 2000 08:34:18 +0000
Subject: [PATCH] fixed timing problem with cleanup and io_flush() by using
 non-blocking waitpid()

---
 main.c  | 13 +++++++++++++
 rsync.h |  4 ++++
 util.c  | 14 --------------
 3 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/main.c b/main.c
index 32d47e6d..4bd721c7 100644
--- a/main.c
+++ b/main.c
@@ -25,6 +25,19 @@ struct stats stats;
 
 extern int verbose;
 
+
+/****************************************************************************
+wait for a process to exit, calling io_flush while waiting
+****************************************************************************/
+void wait_process(pid_t pid, int *status)
+{
+	while (waitpid(pid, status, WNOHANG) == 0) {
+		sleep(1);
+		io_flush();
+	}
+	*status = WEXITSTATUS(*status);
+}
+
 static void report(int f)
 {
 	time_t t = time(NULL);
diff --git a/rsync.h b/rsync.h
index 0742d431..588219fe 100644
--- a/rsync.h
+++ b/rsync.h
@@ -510,4 +510,8 @@ size_t strlcpy(char *d, const char *s, size_t bufsize);
 size_t strlcat(char *d, const char *s, size_t bufsize);
 #endif
 
+#ifndef WEXITSTATUS
+#define	WEXITSTATUS(stat)	((int)(((stat)>>8)&0xFF))
+#endif
+
 #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
diff --git a/util.c b/util.c
index 4fef0b3e..b9616963 100644
--- a/util.c
+++ b/util.c
@@ -929,20 +929,6 @@ char *timestring(time_t t)
 	return(TimeBuf);
 }
 
-
-/****************************************************************************
- like waitpid but does the WEXITSTATUS
-****************************************************************************/
-#ifndef WEXITSTATUS
-#define	WEXITSTATUS(stat)	((int)(((stat)>>8)&0xFF))
-#endif
-void wait_process(pid_t pid, int *status)
-{
-	waitpid(pid, status, 0);
-	*status = WEXITSTATUS(*status);
-}
-
-
 #ifdef __INSURE__
 #include <dlfcn.h>
 
-- 
2.34.1