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- /*
- (C) 1995-96 AROS - The Amiga Replacement OS
- $Id: setexcept.c,v 1.7 1997/01/01 03:46:16 ldp Exp $
- $Log: setexcept.c,v $
- Revision 1.7 1997/01/01 03:46:16 ldp
- Committed Amiga native (support) code
-
- Changed clib to proto
-
- Revision 1.6 1996/12/10 13:51:54 aros
- Moved all #include's in the first column so makedepend can see it.
-
- Revision 1.5 1996/10/24 15:50:57 aros
- Use the official AROS macros over the __AROS versions.
-
- Revision 1.4 1996/08/13 13:56:08 digulla
- Replaced AROS_LA by AROS_LHA
- Replaced some AROS_LH*I by AROS_LH*
- Sorted and added includes
-
- Revision 1.3 1996/08/01 17:41:19 digulla
- Added standard header for all files
-
- Desc:
- Lang:
- */
- #include <exec/execbase.h>
- #include <aros/libcall.h>
- #include <proto/exec.h>
-
- /*****************************************************************************
-
- NAME */
-
- AROS_LH2(ULONG, SetExcept,
-
- /* SYNOPSIS */
- AROS_LHA(ULONG, newSignals, D0),
- AROS_LHA(ULONG, signalSet, D1),
-
- /* LOCATION */
- struct ExecBase *, SysBase, 52, Exec)
-
- /* FUNCTION
- Change the mask of signals causing a task exception.
-
- INPUTS
- newSignals - Set of signals causing the exception.
- signalSet - Mask of affected signals.
-
- RESULT
- Old mask of signals causing a task exception.
-
- NOTES
-
- EXAMPLE
-
- BUGS
-
- SEE ALSO
- AllocSignal(), FreeSignal(), Wait(), SetSignal(), Signal()
-
- INTERNALS
-
- HISTORY
-
- ******************************************************************************/
- {
- AROS_LIBFUNC_INIT
-
- struct Task *me;
- ULONG old;
-
- /* Get pointer to current task */
- me=SysBase->ThisTask;
-
- /* Protect mask of sent signals and task lists */
- Disable();
-
- /* Get returncode */
- old=me->tc_SigExcept;
-
- /* Change exception mask */
- me->tc_SigExcept=(old&~signalSet)|(newSignals&signalSet);
-
- /* Does this change include an exception? */
- if(me->tc_SigExcept&me->tc_SigRecvd)
- {
- /* Yes. Set the exception flag. */
- me->tc_Flags|=TF_EXCEPT;
-
- /* Are taskswitches allowed? (Don't count own Disable() here) */
- if(SysBase->TDNestCnt>=0||SysBase->IDNestCnt>0)
- /* No. Store it for later. */
- SysBase->AttnResched|=0x80;
- else
- /* Switches are allowed. Force a rescedule. */
- Switch();
- }
- Enable();
-
- return old;
- AROS_LIBFUNC_EXIT
- }
-
-
-