122 lines
3.9 KiB
C
Executable File
122 lines
3.9 KiB
C
Executable File
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: YapSignals.h *
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* comments: YAP signal handling interface *
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* *
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* Last rev: $Date *
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* $Log $ *
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* *
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* *
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*************************************************************************/
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#if HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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#if HAVE_ERRNO_H
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#include <errno.h>
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#endif
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typedef enum
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{
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YAP_NO_SIGNAL = 0, /* received an alarm */
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#ifdef SIGALRM
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YAP_ALARM_SIGNAL = SIGALRM, /* received an alarm */
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#endif
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#ifdef SIGHUP
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YAP_HUP_SIGNAL = SIGHUP, /* received SIGHUP */
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#endif
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#ifdef SIGUSR1
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YAP_USR1_SIGNAL = SIGUSR1, /* received SIGUSR1 */
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#endif
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#ifdef SIGUSR2
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YAP_USR2_SIGNAL = SIGUSR2, /* received SIGUSR2 */
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#endif
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#ifdef SIGINT
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YAP_INT_SIGNAL = SIGINT, /* received SIGINT (unused for now) */
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#endif
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#ifdef SIGPIPE
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YAP_PIPE_SIGNAL = SIGPIPE, /* call atom garbage collector asap */
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#endif
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#ifdef SIGVTALRM
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YAP_VTALARM_SIGNAL = SIGVTALRM, /* received SIGVTALARM */
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#endif
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#ifdef SIGFPE
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YAP_FPE_SIGNAL = SIGFPE, /* received SIGFPE */
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#endif
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#define PROLOG_SIG 31
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YAP_WAKEUP_SIGNAL = (PROLOG_SIG+1), /* goals to wake up */
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YAP_ITI_SIGNAL = (PROLOG_SIG+2), /* received inter thread signal */
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YAP_TROVF_SIGNAL = (PROLOG_SIG+3), /* received trail overflow */
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YAP_CDOVF_SIGNAL = (PROLOG_SIG+4), /* received code overflow */
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YAP_STOVF_SIGNAL = (PROLOG_SIG+5), /* received stack overflow */
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YAP_TRACE_SIGNAL = (PROLOG_SIG+6), /* received start trace */
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YAP_DEBUG_SIGNAL = (PROLOG_SIG+7), /* received start debug */
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YAP_BREAK_SIGNAL = (PROLOG_SIG+8), /* received break signal */
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YAP_STACK_DUMP_SIGNAL = (PROLOG_SIG+9), /* received stack dump signal */
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YAP_STATISTICS_SIGNAL = (PROLOG_SIG+10), /* received statistics */
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YAP_AGC_SIGNAL = (PROLOG_SIG+11), /* call atom garbage collector asap */
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YAP_WINTIMER_SIGNAL = (PROLOG_SIG+12), /* windows alarm */
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YAP_FAIL_SIGNAL = (PROLOG_SIG+13), /* P = FAILCODE */
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YAP_ABORT_SIGNAL = (PROLOG_SIG+14), /* P = FAILCODE */
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YAP_EXIT_SIGNAL = (PROLOG_SIG+15), /* P = FAILCODE */
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YAP_CREEP_SIGNAL = (PROLOG_SIG+16) /* received a creep, make sure it is the last signal */
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} yap_signals;
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#define Yap_get_signal(S) Yap_get_signal__(S PASS_REGS)
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#define Yap_has_a_signal() Yap_has_a_signal__(PASS_REGS1)
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#define Yap_has_signals(S1, S2) Yap_has_signals__(S1, S2 PASS_REGS)
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#define Yap_only_has_signals(S1, S2) Yap_only_has_signals__(S1, S2 PASS_REGS)
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#define Yap_has_signal(S) Yap_has_signal__(S PASS_REGS)
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#define Yap_only_has_signal(S) Yap_only_has_signal__(S PASS_REGS)
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INLINE_ONLY uint64_t SIGNAL_TO_BIT( yap_signals sig);
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INLINE_ONLY uint64_t
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SIGNAL_TO_BIT( yap_signals sig)
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{
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return ((uint64_t)1 << (sig-1));
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}
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INLINE_ONLY int Yap_has_a_signal__ ( USES_REGS1 );
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INLINE_ONLY int Yap_has_signal__ ( yap_signals sig USES_REGS );
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INLINE_ONLY int Yap_only_has_signal__(yap_signals sig USES_REGS);
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INLINE_ONLY int
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Yap_has_a_signal__ (USES_REGS1)
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{
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return LOCAL_Signals != ((uint64_t)0);
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}
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INLINE_ONLY int
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Yap_has_signal__(yap_signals sig USES_REGS)
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{
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return (LOCAL_Signals & SIGNAL_TO_BIT(sig)) != ((uint64_t)0);
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}
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INLINE_ONLY int
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Yap_only_has_signal__(yap_signals sig USES_REGS)
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{
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return (LOCAL_Signals & SIGNAL_TO_BIT(sig)) == SIGNAL_TO_BIT(sig);
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}
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void Yap_signal(yap_signals);
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void Yap_external_signal(int, yap_signals);
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int Yap_get_signal__(yap_signals USES_REGS);
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int Yap_has_a_signal__( USES_REGS1 );
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int Yap_has_signals__(yap_signals,yap_signals USES_REGS);
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int Yap_only_has_signals__(yap_signals,yap_signals USES_REGS);
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int Yap_HandleInterrupts( void );
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