original files of m241
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neelimap
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/* sigLibP.h - private signal facility library header */
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/*
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* Copyright (c) 1984-1997, 2006, 2008-2010, 2012-2013 Wind River Systems, Inc.
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*
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* The right to copy, distribute, modify or otherwise make use
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* of this software may be licensed only pursuant to the terms
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* of an applicable Wind River license agreement.
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*/
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/*
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modification history
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--------------------
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02z,15may13,cww Moved isInSigHandler() to rtpSigLibP.h (WIND00417069)
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02y,19apr13,cww Added pSigContext field to sigtcb (WIND00408461)
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02x,21jun12,pad Moved the definition of the sigcontext type to signal.h since
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this type is documented (defect 315689).
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02w,16jun10,pcs change the data type of timeout from an int to _Vx_ticks_t
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02v,29apr10,pad Moved extern C statement after include statements.
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02u,06apr10,jpb Updated sigpend struct.
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02t,10sep09,cww LP64 adaptation
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02s,08jul08,gls added warning about inclusion in semLibInline.h
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02r,21dec06,aeg added _WRS_FUNC_NORETURN attribute to _sigCtxLoad
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02q,06mar06,gls added queuedPend to sigpend
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02p,07feb06,gls added SIGFAULT_POSIX_SIGNUM and SIGFAULT_VXWORKS_SIGNUM
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added parameter to sigInit()
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02o,31jan06,pes Define SIGFAULTVEC macro.
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02n,13jan06,gls added sigFfsMsb function prototype
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removed K&R style function prototypes
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02m,19may97,jpd made RESTART available from ASMLANGUAGE.
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02l,06jul94,rrr added sc_resumption for I960KB.
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02k,28jan94,kdl marked sigEvtRtn pointer declaration extern.
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02j,12jan94,kdl added sigqueueInit() prototype.
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02i,09jan94,c_s applied rrr's patch for SPR #955.
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02h,10dec93,smb added event logging routine.
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02g,22sep92,rrr added support for c++
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02f,22aug92,rrr added some prototypes.
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02e,30jul92,rrr backed out 02d (we are now back to 02c)
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02d,30jul92,kdl backed out 02c changes pending rest of exc handling.
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02c,29jul92,rrr added fault table for exceptions
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02b,08jul92,rrr added all the _sigCtx* function prototypes.
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02a,04jul92,jcf cleaned up.
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01b,26may92,rrr the tree shuffle
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01a,27apr92,rrr written.
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*/
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#ifndef __INCsigLibPh
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#define __INCsigLibPh
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#ifndef _ASMLANGUAGE
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#include <signal.h>
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#include <excLib.h>
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#include <regs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#endif /* !_ASMLANGUAGE */
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/*
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* ***** WARNING *****
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*
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* This private header file is included by the public header file(s):
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* - h/inline/semLibInline.h
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*
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* Ensure that no usage of a VSB source configuration macro is made
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* by any structure or macro in this file that is also used(directly or
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* indirectly) by the above list of public header files.
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*/
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#define RESTART 1 /* must be different from OK and ERROR */
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#ifndef _ASMLANGUAGE
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/*
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* SIGFAULTVEC is used to encode POSIX signals along with legacy VxWorks
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* signals in _sigfaulttable.
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*/
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#define SIGFAULTVEC(vector,vxSig,posixSig) {(vector),((vxSig)|((posixSig)<<16))}
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/*
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* SIGFAULT_POSIX_SIGNUM and SIGFAULT_VXWORKS_SIGNUM are use to extract the
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* appropriate signal number on fault depending on the mode of the system.
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*/
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#define SIGFAULT_POSIX_SIGNUM(sig) ((0xffff0000 & sig) >> 16)
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#define SIGFAULT_VXWORKS_SIGNUM(sig) (0x0000ffff & sig)
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#define SIG_TIMEOUT_RECALC(t) (*_func_sigTimeoutRecalc)(t)
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struct sigq /* (Not posix) */
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{
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struct sigq *sigq_next;
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struct sigq *sigq_prev;
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};
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struct sigstack /* (Not posix) */
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{
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void *ss_sp;
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int ss_onstack;
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};
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struct sigtcb /* (Not posix) */
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{
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struct sigaction sigt_vec[_NSIGS + 1];
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struct sigq sigt_qhead[_NSIGS + 1];
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struct sigstack sigt_stack;
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struct sigwait *sigt_wait;
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sigset_t sigt_kilsigs;
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sigset_t sigt_blocked;
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sigset_t sigt_pending;
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sigset_t sigt_ignored;
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struct sigcontext * pSigContext;
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};
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struct sigpend /* (Not posix) */
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{
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struct sigq sigp_q;
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struct siginfo sigp_info;
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int sigp_overruns;
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int sigp_active_overruns;
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REG_SET *sigp_pregs;
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struct sigtcb *sigp_tcb;
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BOOL queuedPend; /* temporary */
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};
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struct sigfaulttable
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{
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int sigf_fault;
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int sigf_signo;
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};
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extern VOIDFUNCPTR sigEvtRtn; /* windview - level 1 event logging */
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extern STATUS (*_func_sigExcKill)
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(
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int signalNum, /* POSIX signal number */
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int signalSubcode, /* POSIX "si_code" */
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int faultType, /* hardware exception vector or type */
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void * faultAddr, /* address where the exception occured */
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REG_SET * pRegSet /* architecture's register set */
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);
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extern int (*_func_sigprocmask) (int how, const sigset_t *pSet,
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sigset_t *pOset);
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extern _Vx_ticks_t (*_func_sigTimeoutRecalc) (_Vx_ticks_t timeout);
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extern int (*_func_sigfillset) (sigset_t *pSet);
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extern void _sigCtxRtnValSet (REG_SET *regs, int val);
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extern void * _sigCtxStackEnd (const REG_SET *regs);
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extern int _sigCtxSave (REG_SET *regs);
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extern _WRS_FUNC_NORETURN
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void _sigCtxLoad (const REG_SET *regs);
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extern void _sigCtxSetup (REG_SET *regs, void *pStackBase,
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void (*taskEntry)(), _Vx_usr_arg_t *args);
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extern STATUS sigInit (BOOL posixMode);
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extern void sigPendInit (struct sigpend *__pSigPend);
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extern STATUS sigPendDestroy (struct sigpend *__pSigPend);
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extern STATUS sigPendKill (TASK_ID __tid, struct sigpend *__pSigPend);
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extern STATUS sigqueueInit (int nQueues);
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extern int sigFfsMsb (sigset_t mask);
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#endif /* ! _ASMLANGUAGE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCsigLibPh */
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