1 /* -----------------------------------------------------------------------------
3 * (c) The GHC Team, 1998-1999
5 * Signal processing / handling.
7 * ---------------------------------------------------------------------------*/
9 #if !defined(PAR) && !defined(mingw32_HOST_OS)
10 #define RTS_USER_SIGNALS 1
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 extern void handleSignalsInThisThread(void);
31 extern void handleSignalsInPrevThread(void);
33 #elif defined(mingw32_HOST_OS)
34 #define RTS_USER_SIGNALS 1
35 #include "win32/ConsoleHandler.h"
38 #define signals_pending() (rtsFalse)
39 #define handleSignalsInThisThread() /* nothing */