diff --git a/contrib/pg_upgrade/exec.c b/contrib/pg_upgrade/exec.c
new file mode 100644
index ac46a9b..99f5006
*** a/contrib/pg_upgrade/exec.c
--- b/contrib/pg_upgrade/exec.c
*************** exec_prog(const char *log_file, const ch
*** 63,70 ****
  	if (written >= MAXCMDLEN)
  		pg_log(PG_FATAL, "command too long\n");
  
! 	if ((log = fopen_priv(log_file, "a+")) == NULL)
  		pg_log(PG_FATAL, "cannot write to log file %s\n", log_file);
  	pg_log(PG_VERBOSE, "%s\n", cmd);
  	fprintf(log, "command: %s\n", cmd);
  
--- 63,73 ----
  	if (written >= MAXCMDLEN)
  		pg_log(PG_FATAL, "command too long\n");
  
! 	if ((log = fopen_priv(log_file, "a")) == NULL)
  		pg_log(PG_FATAL, "cannot write to log file %s\n", log_file);
+ #ifdef WIN32
+ 	fprintf(log, "\n\n");
+ #endif
  	pg_log(PG_VERBOSE, "%s\n", cmd);
  	fprintf(log, "command: %s\n", cmd);
  
*************** exec_prog(const char *log_file, const ch
*** 97,106 ****
  
  #ifndef WIN32
  	/* 
! 	 * Can't do this on Windows, postmaster will still hold the log file
! 	 * open if the command was "pg_ctl start".
  	 */
! 	if ((log = fopen_priv(log_file, "a+")) == NULL)
  		pg_log(PG_FATAL, "cannot write to log file %s\n", log_file);
  	fprintf(log, "\n\n");
  	fclose(log);
--- 100,112 ----
  
  #ifndef WIN32
  	/* 
! 	 *	We can't do this on Windows because it will keep the "pg_ctl start"
! 	 *	output filename open until the server stops, so we do the \n\n above
! 	 *	on that platform.  We use a unique filename for "pg_ctl start" that is
! 	 *	never reused while the server is running, so it works fine.  We could
! 	 *	log these commands to a third file, but that just adds complexity.
  	 */
! 	if ((log = fopen_priv(log_file, "a")) == NULL)
  		pg_log(PG_FATAL, "cannot write to log file %s\n", log_file);
  	fprintf(log, "\n\n");
  	fclose(log);
diff --git a/contrib/pg_upgrade/pg_upgrade.h b/contrib/pg_upgrade/pg_upgrade.h
new file mode 100644
index 195b927..3058343
*** a/contrib/pg_upgrade/pg_upgrade.h
--- b/contrib/pg_upgrade/pg_upgrade.h
*************** extern char *output_files[];
*** 63,69 ****
  #define SERVER_STOP_LOG_FILE	SERVER_LOG_FILE
  #else
  #define SERVER_START_LOG_FILE	"pg_upgrade_server_start.log"
! /* pg_ctl stop doesn't keep the log file open, so reuse UTILITY_LOG_FILE */
  #define SERVER_STOP_LOG_FILE	UTILITY_LOG_FILE
  #endif
  
--- 63,73 ----
  #define SERVER_STOP_LOG_FILE	SERVER_LOG_FILE
  #else
  #define SERVER_START_LOG_FILE	"pg_upgrade_server_start.log"
! /*
!  *	"pg_ctl start" keeps SERVER_START_LOG_FILE and SERVER_LOG_FILE open
!  *	while the server is running, so we use UTILITY_LOG_FILE for "pg_ctl
!  *	stop".
!  */
  #define SERVER_STOP_LOG_FILE	UTILITY_LOG_FILE
  #endif