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Amiga Format CD 7
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Amiga Format AFCD07 (Dec 1996, Issue 91).iso
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aros
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exec
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replymsg.c
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C/C++ Source or Header
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1996-09-12
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2KB
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102 lines
/*
(C) 1995-96 AROS - The Amiga Replacement OS
$Id: replymsg.c,v 1.4 1996/08/13 13:56:08 digulla Exp $
$Log: replymsg.c,v $
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 17:41:18 digulla
Added standard header for all files
Desc:
Lang: english
*/
#include "exec_intern.h"
#include <aros/libcall.h>
/*****************************************************************************
NAME */
#include <exec/ports.h>
#include <clib/exec_protos.h>
__AROS_LH1(void, ReplyMsg,
/* SYNOPSIS */
__AROS_LHA(struct Message *, message, A1),
/* LOCATION */
struct ExecBase *, SysBase, 63, Exec)
/* FUNCTION
Send a message back to where it came from. It's generally not
wise to access the fields of a message after it has been replied.
INPUTS
message - a message got with GetMsg().
RESULT
NOTES
EXAMPLE
BUGS
SEE ALSO
WaitPort(), GetMsg(), PutMsg()
INTERNALS
HISTORY
******************************************************************************/
{
__AROS_FUNC_INIT
struct MsgPort *port;
/* Protect the message against access by other tasks. */
Disable();
/* Get replyport */
port=message->mn_ReplyPort;
/* Not set? Only mark the message as no longer sent. */
if(port==NULL)
message->mn_Node.ln_Type=NT_FREEMSG;
else
{
/* Mark the message as replied */
message->mn_Node.ln_Type=NT_REPLYMSG;
/* Add it to the replyport's list */
AddTail(&port->mp_MsgList,&message->mn_Node);
/* And trigger the arrival action. */
switch(port->mp_Flags&PF_ACTION)
{
case PA_SIGNAL:
/* Send a signal */
Signal((struct Task *)port->mp_SigTask,1<<port->mp_SigBit);
break;
case PA_SOFTINT:
/* Raise a software interrupt */
Cause((struct Interrupt *)port->mp_SoftInt);
break;
case PA_IGNORE:
/* Do nothing */
break;
}
}
/* All done */
Enable();
__AROS_FUNC_EXIT
}