forked from Imagelibrary/rtems
c4a3f1e914
* include/itron.h, include/itronsys/eventflags.h, include/itronsys/fmempool.h, include/itronsys/intr.h, include/itronsys/mbox.h, include/itronsys/msgbuffer.h, include/itronsys/network.h, include/itronsys/port.h, include/itronsys/semaphore.h, include/itronsys/status.h, include/itronsys/sysmgmt.h, include/itronsys/task.h, include/itronsys/time.h, include/itronsys/types.h, include/itronsys/vmempool.h, include/rtems/itron/config.h, include/rtems/itron/eventflags.h, include/rtems/itron/fmempool.h, include/rtems/itron/intr.h, include/rtems/itron/itronapi.h, include/rtems/itron/mbox.h, include/rtems/itron/msgbuffer.h, include/rtems/itron/network.h, include/rtems/itron/object.h, include/rtems/itron/port.h, include/rtems/itron/semaphore.h, include/rtems/itron/sysmgmt.h, include/rtems/itron/task.h, include/rtems/itron/time.h, include/rtems/itron/vmempool.h, inline/rtems/itron/eventflags.inl, inline/rtems/itron/fmempool.inl, inline/rtems/itron/intr.inl, inline/rtems/itron/mbox.inl, inline/rtems/itron/msgbuffer.inl, inline/rtems/itron/network.inl, inline/rtems/itron/port.inl, inline/rtems/itron/semaphore.inl, inline/rtems/itron/sysmgmt.inl, inline/rtems/itron/task.inl, inline/rtems/itron/time.inl, inline/rtems/itron/vmempool.inl, macros/rtems/itron/eventflags.inl, macros/rtems/itron/fmempool.inl, macros/rtems/itron/intr.inl, macros/rtems/itron/mbox.inl, macros/rtems/itron/msgbuffer.inl, macros/rtems/itron/network.inl, macros/rtems/itron/port.inl, macros/rtems/itron/semaphore.inl, macros/rtems/itron/sysmgmt.inl, macros/rtems/itron/task.inl, macros/rtems/itron/time.inl, macros/rtems/itron/vmempool.inl, src/can_wup.c, src/chg_pri.c, src/cre_mbf.c, src/cre_mbx.c, src/cre_sem.c, src/cre_tsk.c, src/del_mbf.c, src/del_mbx.c, src/del_sem.c, src/del_tsk.c, src/dis_dsp.c, src/ena_dsp.c, src/eventflags.c, src/exd_tsk.c, src/ext_tsk.c, src/fmempool.c, src/frsm_tsk.c, src/get_tid.c, src/itronintr.c, src/itronsem.c, src/itrontime.c, src/mbox.c, src/mboxtranslatereturncode.c, src/msgbuffer.c, src/msgbuffertranslatereturncode.c, src/network.c, src/port.c, src/prcv_mbf.c, src/prcv_mbx.c, src/preq_sem.c, src/psnd_mbf.c, src/rcv_mbf.c, src/rcv_mbx.c, src/ref_mbf.c, src/ref_mbx.c, src/ref_sem.c, src/ref_tsk.c, src/rel_wai.c, src/rot_rdq.c, src/rsm_tsk.c, src/sig_sem.c, src/slp_tsk.c, src/snd_mbf.c, src/snd_mbx.c, src/sta_tsk.c, src/sus_tsk.c, src/sysmgmt.c, src/task.c, src/ter_tsk.c, src/trcv_mbf.c, src/trcv_mbx.c, src/tslp_tsk.c, src/tsnd_mbf.c, src/twai_sem.c, src/vmempool.c, src/wai_sem.c, src/wup_tsk.c: URL for license changed.
122 lines
2.0 KiB
C
122 lines
2.0 KiB
C
/*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#ifndef __ITRON_SEMAPHORE_h_
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#define __ITRON_SEMAPHORE_h_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Create Semaphore (cre_sem) Structure
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*/
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typedef struct t_csem {
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VP exinf; /* extended information */
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ATR sematr; /* semaphore attributes */
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/* Following is the extended function for [level X]. */
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INT isemcnt; /* initial semaphore count */
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INT maxsem; /* maximum semaphore count */
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/* additional information may be included depending on the implementation */
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} T_CSEM;
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/*
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* sematr - Semaphore Attribute Values
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*/
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#define TA_TFIFO 0x00 /* waiting tasks are handled by FIFO */
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#define TA_TPRI 0x01 /* waiting tasks are handled by priority */
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#define _ITRON_SEMAPHORE_UNUSED_ATTRIBUTES ~(TA_TPRI)
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/*
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* Reference Semaphore (ref_sem) Structure
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*/
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typedef struct t_rsem {
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VP exinf; /* extended information */
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BOOL_ID wtsk; /* indicates whether or not there is a waiting task */
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INT semcnt; /* current semaphore count */
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/* additional information may be included depending on the implementation */
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} T_RSEM;
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/*
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* Semaphore Functions
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*/
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/*
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* cre_sem - Create Semaphore
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*/
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ER cre_sem(
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ID semid,
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T_CSEM *pk_csem
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);
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/*
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* del_sem - Delete Semaphore
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*/
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ER del_sem(
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ID semid
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);
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/*
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* sig_sem - Signal Semaphore
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*/
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ER sig_sem(
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ID semid
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);
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/*
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* wai_sem - Wait on Semaphore
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*/
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ER wai_sem(
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ID semid
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);
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/*
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* preq_sem - Poll and Request Semaphore
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*/
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ER preq_sem(
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ID semid
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);
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/*
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* twai_sem - Wait on Semaphore with Timeout
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*/
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ER twai_sem(
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ID semid,
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TMO tmout
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);
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/*
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* ref_sem - Reference Semaphore Status
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*/
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ER ref_sem(
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ID semid,
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T_RSEM *pk_rsem
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* end of include file */
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