Andrew Johnson
3c99391d93
In some cases the license-identification header was missing, so I added that as well. Replaced the remaining headers that specifically identified "Versions 3.13.7 and higher". Makefiles and the build system were deliberately excluded.
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*************************************************************************\
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* Copyright (c) 2009 UChicago Argonne LLC, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* SPDX-License-Identifier: EPICS
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* EPICS BASE is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/* osi/default/osdInterrupt.c */
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/* Author: Marty Kraimer Date: 15JUL99 */
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#include <stddef.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdio.h>
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#include "epicsMutex.h"
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#include "epicsThread.h"
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#include "cantProceed.h"
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#include "errlog.h"
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#include "epicsInterrupt.h"
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static epicsMutexId globalLock = NULL;
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static epicsThreadOnceId onceId = EPICS_THREAD_ONCE_INIT;
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static void initOnce(void *junk)
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{
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globalLock = epicsMutexMustCreate();
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}
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LIBCOM_API int epicsInterruptLock()
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{
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epicsThreadOnce(&onceId, initOnce, NULL);
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epicsMutexMustLock(globalLock);
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return 0;
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}
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LIBCOM_API void epicsInterruptUnlock(int key)
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{
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if (!globalLock)
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cantProceed("epicsInterruptUnlock called before epicsInterruptLock\n");
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epicsMutexUnlock(globalLock);
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}
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LIBCOM_API int epicsInterruptIsInterruptContext()
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{
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return 0;
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}
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LIBCOM_API void epicsInterruptContextMessage(const char *message)
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{
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errlogPrintf("%s", message);
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}
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