--- synergy-1.3.1/lib/arch/CArchDaemonUnix.cpp
+++ synergy-1.3.1/lib/arch/CArchDaemonUnix.cpp
@@ -57,7 +57,8 @@
 	setsid();
 
 	// chdir to root so we don't keep mounted filesystems points busy
-	chdir("/");
+	if(chdir("/") < 0)
+		perror("chdir(/)");
 
 	// mask off permissions for any but owner
 	umask(077);
@@ -71,7 +72,8 @@
 	// of standard I/O safely goes in the bit bucket.
 	open("/dev/null", O_RDONLY);
 	open("/dev/null", O_RDWR);
-	dup(1);
+	if(dup(1) < 0)
+		perror("dup(1)");
 
 	// invoke function
 	return func(1, &name);
--- synergy-1.3.1/lib/arch/CArchNetworkBSD.cpp
+++ synergy-1.3.1/lib/arch/CArchNetworkBSD.cpp
@@ -326,7 +326,9 @@
 		// the unblock event was signalled.  flush the pipe.
 		char dummy[100];
 		do {
-			read(unblockPipe[0], dummy, sizeof(dummy));
+			if(read(unblockPipe[0], dummy, sizeof(dummy)) < 0) {
+				perror("read()");
+			}
 		} while (errno != EAGAIN);
 
 		// don't count this unblock pipe in return value
@@ -498,7 +500,9 @@
 	const int* unblockPipe = getUnblockPipeForThread(thread);
 	if (unblockPipe != NULL) {
 		char dummy = 0;
-		write(unblockPipe[1], &dummy, 1);
+		if(write(unblockPipe[1], &dummy, 1) < 0) {
+			perror("write()");
+		}
 	}
 }