/* -----------------------------------------------------------------------------
- * $Id: TSO.h,v 1.26 2002/04/10 11:43:44 stolz Exp $
+ * $Id: TSO.h,v 1.31 2003/07/03 15:14:58 sof Exp $
*
* (c) The GHC Team, 1998-1999
*
* The what_next field of a TSO indicates how the thread is to be run.
*/
typedef enum {
- ThreadEnterGHC, /* enter top thunk on stack */
ThreadRunGHC, /* return to address on top of stack */
- ThreadEnterInterp, /* enter top thunk on stack (w/ interpreter) */
+ ThreadInterpret, /* interpret this thread */
ThreadKilled, /* thread has died, don't run it */
ThreadRelocated, /* thread has moved, link points to new locn */
ThreadComplete /* thread has finished */
BlockedOnRead,
BlockedOnWrite,
BlockedOnDelay
+#if defined(mingw32_TARGET_OS)
+ , BlockedOnDoProc
+#endif
#if defined(PAR)
, 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
+ , BlockedOnCCall
+ , BlockedOnCCall_NoUnblockExc // same as above but don't unblock async exceptions
+ // in resumeThread()
#endif
} StgTSOBlockReason;
+#if defined(mingw32_TARGET_OS)
+/* results from an async I/O request + it's ID. */
+typedef struct {
+ unsigned int reqID;
+ int len;
+ int errCode;
+} StgAsyncIOResult;
+#endif
+
typedef union {
StgClosure *closure;
struct StgTSO_ *tso;
int fd;
+#if defined(mingw32_TARGET_OS)
+ StgAsyncIOResult* async_result;
+#endif
unsigned int target;
} StgTSOBlockInfo;
StgTSOBlockInfo block_info;
struct StgTSO_* blocked_exceptions;
StgThreadID id;
-#ifdef DEBUG
- char* label;
-#endif
StgTSOTickyInfo ticky;
StgTSOProfInfo prof;
StgWord stack_size; /* stack size in *words* */
StgWord max_stack_size; /* maximum stack size in *words* */
StgPtr sp;
- StgUpdateFrame* su;
StgWord stack[FLEXIBLE_ARRAY];
} StgTSO;