/* -----------------------------------------------------------------------------
- * $Id: TSO.h,v 1.21 2001/04/02 07:24:12 qrczak Exp $
+ * $Id: TSO.h,v 1.26 2002/04/10 11:43:44 stolz Exp $
*
* (c) The GHC Team, 1998-1999
*
} StgTSOWhatNext;
/*
- * We are completely paranoid and make thread IDs 64 bits to avoid
- * having to worry about overflow. A little calculation shows that
- * even doing 10^6 forks per second would take 35 million years to
- * overflow a 64 bit thread ID :-)
- *
+ * Thread IDs are 32 bits.
*/
typedef StgWord32 StgThreadID;
, BlockedOnGA // blocked on a remote closure represented by a Global Address
, BlockedOnGA_NoSend // same as above but without sending a Fetch message
#endif
+#if defined(RTS_SUPPORTS_THREADS)
+ , BlockedOnCCall
+#endif
} StgTSOBlockReason;
typedef union {
StgTSOBlockInfo block_info;
struct StgTSO_* blocked_exceptions;
StgThreadID id;
+#ifdef DEBUG
+ char* label;
+#endif
StgTSOTickyInfo ticky;
StgTSOProfInfo prof;
StgPtr sp;
StgUpdateFrame* su;
- StgWord stack[0];
+ StgWord stack[FLEXIBLE_ARRAY];
} StgTSO;
/* -----------------------------------------------------------------------------