X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/b35d0d8e9ae9c5407c9f781b545f8a66b9caa9d0..e51094b7210fc31fa67cc218c1bd30de841a426e:/pipe.c

diff --git a/pipe.c b/pipe.c
index e2e88ec3..18e9a722 100644
--- a/pipe.c
+++ b/pipe.c
@@ -1,5 +1,33 @@
+/*  -*- c-file-style: "linux" -*-
+ * 
+ * Copyright (C) 1996-2000 by Andrew Tridgell 
+ * Copyright (C) Paul Mackerras 1996
+ * Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
+ * 
+ * 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.
+ */
+
 #include "rsync.h"
 
+extern int am_sender;
+extern int am_server;
+extern int blocking_io;
+extern int orig_umask;
+extern int read_batch;
+extern int filesfrom_fd;
+
 /**
  * Create a child connected to use on stdin/stdout.
  *
@@ -18,32 +46,29 @@ pid_t piped_child(char **command, int *f_in, int *f_out)
 	pid_t pid;
 	int to_child_pipe[2];
 	int from_child_pipe[2];
-	extern int blocking_io;
 	
 	if (verbose >= 2) {
 		print_child_argv(command);
 	}
 
 	if (fd_pair(to_child_pipe) < 0 || fd_pair(from_child_pipe) < 0) {
-		rprintf(FERROR, "pipe: %s\n", strerror(errno));
+		rsyserr(FERROR, errno, "pipe");
 		exit_cleanup(RERR_IPC);
 	}
 
 
 	pid = do_fork();
 	if (pid == -1) {
-		rprintf(FERROR, "fork: %s\n", strerror(errno));
+		rsyserr(FERROR, errno, "fork");
 		exit_cleanup(RERR_IPC);
 	}
 
 	if (pid == 0) {
-		extern int orig_umask;
 		if (dup2(to_child_pipe[0], STDIN_FILENO) < 0 ||
 		    close(to_child_pipe[1]) < 0 ||
 		    close(from_child_pipe[0]) < 0 ||
 		    dup2(from_child_pipe[1], STDOUT_FILENO) < 0) {
-			rprintf(FERROR, "Failed to dup/close : %s\n",
-				strerror(errno));
+			rsyserr(FERROR, errno, "Failed to dup/close");
 			exit_cleanup(RERR_IPC);
 		}
 		if (to_child_pipe[0] != STDIN_FILENO)
@@ -52,17 +77,15 @@ pid_t piped_child(char **command, int *f_in, int *f_out)
 			close(from_child_pipe[1]);
 		umask(orig_umask);
 		set_blocking(STDIN_FILENO);
-		if (blocking_io) {
+		if (blocking_io > 0)
 			set_blocking(STDOUT_FILENO);
-		}
 		execvp(command[0], command);
-		rprintf(FERROR, "Failed to exec %s : %s\n",
-			command[0], strerror(errno));
+		rsyserr(FERROR, errno, "Failed to exec %s", command[0]);
 		exit_cleanup(RERR_IPC);
 	}
 
 	if (close(from_child_pipe[1]) < 0 || close(to_child_pipe[0]) < 0) {
-		rprintf(FERROR, "Failed to close : %s\n", strerror(errno));
+		rsyserr(FERROR, errno, "Failed to close");
 		exit_cleanup(RERR_IPC);
 	}
 
@@ -73,38 +96,37 @@ pid_t piped_child(char **command, int *f_in, int *f_out)
 }
 
 pid_t local_child(int argc, char **argv,int *f_in,int *f_out,
-		  int (*child_main)(int, char **))
+		  int (*child_main)(int, char*[]))
 {
 	pid_t pid;
 	int to_child_pipe[2];
 	int from_child_pipe[2];
-	extern int read_batch;  /* dw */
 
 	if (fd_pair(to_child_pipe) < 0 ||
 	    fd_pair(from_child_pipe) < 0) {
-		rprintf(FERROR,"pipe: %s\n",strerror(errno));
+		rsyserr(FERROR, errno, "pipe");
 		exit_cleanup(RERR_IPC);
 	}
 
 
 	pid = do_fork();
 	if (pid == -1) {
-		rprintf(FERROR,"fork: %s\n",strerror(errno));
+		rsyserr(FERROR, errno, "fork");
 		exit_cleanup(RERR_IPC);
 	}
 
 	if (pid == 0) {
-		extern int am_sender;
-		extern int am_server;
-
 		am_sender = read_batch ? 0 : !am_sender;
 		am_server = 1;		
 
+		if (!am_sender)
+			filesfrom_fd = -1;
+
 		if (dup2(to_child_pipe[0], STDIN_FILENO) < 0 ||
 		    close(to_child_pipe[1]) < 0 ||
 		    close(from_child_pipe[0]) < 0 ||
 		    dup2(from_child_pipe[1], STDOUT_FILENO) < 0) {
-			rprintf(FERROR,"Failed to dup/close : %s\n",strerror(errno));
+			rsyserr(FERROR, errno, "Failed to dup/close");
 			exit_cleanup(RERR_IPC);
 		}
 		if (to_child_pipe[0] != STDIN_FILENO) close(to_child_pipe[0]);
@@ -112,9 +134,12 @@ pid_t local_child(int argc, char **argv,int *f_in,int *f_out,
 		child_main(argc, argv);
 	}
 
+	if (!am_sender)
+		filesfrom_fd = -1;
+
 	if (close(from_child_pipe[1]) < 0 ||
 	    close(to_child_pipe[0]) < 0) {
-		rprintf(FERROR,"Failed to close : %s\n",strerror(errno));   
+		rsyserr(FERROR, errno, "Failed to close");   
 		exit_cleanup(RERR_IPC);
 	}
 
@@ -123,5 +148,3 @@ pid_t local_child(int argc, char **argv,int *f_in,int *f_out,
   
 	return pid;
 }
-
-