file write: set default to NONBLOCK if available

ChangeLog

@@ -3,6 +3,10 @@
 	* Version 1.7.0 released
 	* using CGRIBEX library version 1.7.0
 
+2014-07-21  Uwe Schulzweida
+
+	* file write: set default to NONBLOCK if available
+
 2014-07-18  Uwe Schulzweida
 
 	* added function streamReadVarF() and streamReadVarSliceF()

src/file.c

@@ -801,6 +801,9 @@ void file_initialize(void)
 	}
     }
 
+#if defined (O_NONBLOCK)
+  FileFlagWrite = O_NONBLOCK;
+#endif
   envString = getenv("FILE_FLAG_WRITE");
   if ( envString )
     {
@@ -1230,8 +1233,10 @@ int fileClose_serial(int fileID)
       if ( fileptr->type == FILE_TYPE_FOPEN )
 	fprintf(stderr, " file pointer     : %p\n",  (void *) fileptr->fp);
       else
-        fprintf(stderr, " file descriptor  : %d\n",  fileptr->fd);
-
+        {
+          fprintf(stderr, " file descriptor  : %d\n",  fileptr->fd);
+          fprintf(stderr, " file flag        : %d\n", FileFlagWrite);
+        }
       fprintf(stderr, " file mode        : %c\n",  fileptr->mode);
 
       if ( sizeof(off_t) > sizeof(long) )

src/stream_grb.h

@@ -8,8 +8,8 @@ int   grbInqTimestep(stream_t * streamptr, int tsID);
 
 int   grbInqRecord(stream_t * streamptr, int *varID, int *levelID);
 int   grbDefRecord(stream_t * streamptr);
-int   grb_write_record(stream_t * streamptr, int memtype, const void *data, int nmiss);
 int   grbReadRecord(stream_t * streamptr, double *data, int *nmiss);
+int   grb_write_record(stream_t * streamptr, int memtype, const void *data, int nmiss);
 int   grbCopyRecord(stream_t * streamptr2, stream_t * streamptr1);
 
 void  grbReadVarDP(stream_t * streamptr, int varID, double *data, int *nmiss);