From 43df8967b55222072d4e50201438c4c193dc0bd0 Mon Sep 17 00:00:00 2001
From: Niklas Een <niklas@een.se>
Date: Fri, 28 Jun 2013 21:11:26 -0700
Subject: Fixed a problem in BridgeMode; it will now correctly detect if the
 pipe has been closed and exit ABC.

---
 src/misc/util/utilBridge.c | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

(limited to 'src/misc')

diff --git a/src/misc/util/utilBridge.c b/src/misc/util/utilBridge.c
index 3ac7ba2c..cd00dec6 100644
--- a/src/misc/util/utilBridge.c
+++ b/src/misc/util/utilBridge.c
@@ -22,6 +22,9 @@
 #include <string.h>
 #include <stdlib.h>
 #include <assert.h>
+#ifdef LIN
+#include <unistd.h>
+#endif
 
 #include "aig/gia/gia.h"
 
@@ -124,9 +127,24 @@ void Gia_CreateHeader( FILE * pFile, int Type, int Size, unsigned char * pBuffer
     fprintf( pFile, " " );
     fprintf( pFile, "%.16d", Size );
     fprintf( pFile, " " );
+  #ifndef LIN
     RetValue = fwrite( pBuffer, Size, 1, pFile );
     assert( RetValue == 1 || Size == 0);
     fflush( pFile );
+  #else
+    fflush(pFile);
+    int fd = fileno(pFile);
+
+    ssize_t bytes_written = 0;
+    while (bytes_written < Size){
+        ssize_t n = write(fd, &pBuffer[bytes_written], Size - bytes_written);
+        if (n < 0){
+            fprintf(stderr, "BridgeMode: failed to send package; aborting\n"); fflush(stderr);
+            _exit(255);
+        }
+        bytes_written += n;
+    }
+  #endif
 }
 
 
@@ -244,7 +262,7 @@ int Gia_ManToBridgeResult( FILE * pFile, int Result, Abc_Cex_t * pCex )
   Synopsis    []
 
   Description []
-               
+
   SideEffects []
 
   SeeAlso     []
@@ -393,7 +411,7 @@ int Gia_ManFromBridgeReadPackage( FILE * pFile, int * pType, int * pSize, unsign
   Synopsis    []
 
   Description []
-               
+
   SideEffects []
 
   SeeAlso     []
@@ -439,7 +457,7 @@ Gia_Man_t * Gia_ManFromBridge( FILE * pFile, Vec_Int_t ** pvInit )
   Synopsis    []
 
   Description []
-               
+
   SideEffects []
 
   SeeAlso     []
@@ -462,7 +480,7 @@ void Gia_ManToBridgeAbsNetlistTest( char * pFileName, Gia_Man_t * p, int msg_typ
   Synopsis    []
 
   Description []
-               
+
   SideEffects []
 
   SeeAlso     []
-- 
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