amos-professional/includes/exec/semaphores.i
2020-04-26 02:58:13 +02:00

66 lines
1.3 KiB
OpenEdge ABL

IFND EXEC_SEMAPHORES_I
EXEC_SEMAPHORES_I SET 1
**
** $Filename: exec/semaphores.i $
** $Release: 1.3 $
**
**
**
** (C) Copyright 1986,1987,1988 Commodore-Amiga, Inc.
** All Rights Reserved
**
IFND EXEC_NODES_I
INCLUDE "exec/nodes.i"
ENDC ; EXEC_NODES_I
IFND EXEC_LISTS_I
INCLUDE "exec/lists.i"
ENDC ; EXEC_LISTS_I
IFND EXEC_PORTS_I
INCLUDE "exec/ports.i"
ENDC ; EXEC_PORTS_I
*----------------------------------------------------------------
*
* Semaphore Structure
*
*----------------------------------------------------------------
STRUCTURE SM,MP_SIZE
WORD SM_BIDS * number of bids for lock
LABEL SM_SIZE
*------ unions:
SM_LOCKMSG EQU MP_SIGTASK
*----------------------------------------------------------------
*
* Signal Semaphore Structure
*
*----------------------------------------------------------------
* this is the structure used to request a signal semaphore -- allocated
* on the fly by ObtainSemaphore()
STRUCTURE SSR,MLN_SIZE
APTR SSR_WAITER
LABEL SSR_SIZE
* this is the actual semaphore itself -- allocated statically
STRUCTURE SS,LN_SIZE
SHORT SS_NESTCOUNT
STRUCT SS_WAITQUEUE,MLH_SIZE
STRUCT SS_MULTIPLELINK,SSR_SIZE
APTR SS_OWNER
SHORT SS_QUEUECOUNT
LABEL SS_SIZE
ENDC ; EXEC_SEMAPHORES_I