Files
epics-base/modules/libcom/src/misc/cantProceed.c
2020-05-20 14:47:51 -07:00

73 lines
2.2 KiB
C

/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* EPICS BASE Versions 3.13.7
* and higher are distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/* Author: Marty Kraimer Date: 04JAN99 */
#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include "errlog.h"
#include "cantProceed.h"
#include "epicsThread.h"
#include "epicsStackTrace.h"
LIBCOM_API void * callocMustSucceed(size_t count, size_t size, const char *msg)
{
void * mem = NULL;
if (count > 0 && size > 0) {
while ((mem = calloc(count, size)) == NULL) {
errlogPrintf("%s: callocMustSucceed(%lu, %lu) - calloc failed\n",
msg, (unsigned long)count, (unsigned long)size);
errlogPrintf("Thread %s (%p) suspending.\n",
epicsThreadGetNameSelf(), (void *)epicsThreadGetIdSelf());
errlogFlush();
epicsThreadSuspendSelf();
}
}
return mem;
}
LIBCOM_API void * mallocMustSucceed(size_t size, const char *msg)
{
void * mem = NULL;
if (size > 0) {
while ((mem = malloc(size)) == NULL) {
errlogPrintf("%s: mallocMustSucceed(%lu) - malloc failed\n",
msg, (unsigned long)size);
errlogPrintf("Thread %s (%p) suspending.\n",
epicsThreadGetNameSelf(), (void *)epicsThreadGetIdSelf());
errlogFlush();
epicsThreadSuspendSelf();
}
}
return mem;
}
LIBCOM_API void cantProceed(const char *msg, ...)
{
va_list pvar;
va_start(pvar, msg);
if (msg)
errlogVprintf(msg, pvar);
va_end(pvar);
errlogPrintf("Thread %s (%p) can't proceed, suspending.\n",
epicsThreadGetNameSelf(), (void *)epicsThreadGetIdSelf());
epicsStackTrace();
errlogFlush();
epicsThreadSleep(1.0);
while (1)
epicsThreadSuspendSelf();
}