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/*
** libproj -- library of cartographic projections
**
** Copyright (c) 2003, 2006 Gerald I. Evenden
*/
static const char
LIBPROJ_ID[] = "Id";
/*
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "proj_config.h"
#if PROJ_HAVE_PTHREADS
#include <pthread.h>
/* this makes libproj4 thread friendly */
static pthread_once_t
key_once = PTHREAD_ONCE_INIT;
static pthread_key_t
key;
static void
destroy(void *buf) { free(buf); }
static void
create(void) { pthread_key_create(&key, destroy); }
PROJ_EXPORT int *
proj_errno_loc(void) {
void *p;
pthread_once(&key_once, create);
if (!(p = pthread_getspecific(key))) {
p = (void *)malloc(sizeof(int));
pthread_setspecific(key, p);
}
return (int *)p;
}
#else
/* threads unfriendly */
static int
proj_errno;
PROJ_EXPORT int *
proj_errno_loc(void) { return &proj_errno; }
#endif
/*
** Log: proj_errno.c
** Revision 3.2 2006/01/15 15:11:20 gie
** include pthread.h added
**
** Revision 3.1 2006/01/11 01:38:18 gie
** Initial
**
*/
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