1 /* -----------------------------------------------------------------------------
2 * $Id: Signals.h,v 1.10 2003/03/29 00:00:43 sof Exp $
4 * (c) The GHC Team, 1998-1999
6 * Signal processing / handling.
8 * ---------------------------------------------------------------------------*/
12 extern StgPtr pending_handler_buf[];
13 extern StgPtr *next_pending_handler;
15 #define signals_pending() (next_pending_handler != pending_handler_buf)
17 extern void initUserSignals(void);
18 extern void blockUserSignals(void);
19 extern void unblockUserSignals(void);
21 extern rtsBool anyUserHandlers(void);
22 extern void awaitUserSignals(void);
24 /* sig_install declared in PrimOps.h */
26 extern void startSignalHandlers(void);
27 extern void markSignalHandlers (evac_fn evac);
28 extern void initDefaultHandlers(void);
30 #if !defined(mingw32_TARGET_OS)
31 extern void handleSignalsInThisThread(void);
33 #define handleSignalsInThisThread() /* nothing */
38 #define signals_pending() (rtsFalse)