64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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error.c - Cinelerra Error handling
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Copyright (C) CinelerraCV
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2007, Christian Thaeter <ct@pipapo.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <pthread.h>
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#include "lib/error.h"
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/*
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predefined errors
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*/
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CINELERRA_ERROR_DEFINE (ERRNO, "errno");
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/* Thread local storage */
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static pthread_key_t cinelerra_error_tls;
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static pthread_once_t cinelerra_error_initialized = PTHREAD_ONCE_INIT;
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static void
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cinelerra_error_tls_init (void)
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{
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pthread_key_create (&cinelerra_error_tls, NULL);
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}
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const char*
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cinelerra_error_set (const char * nerr)
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{
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pthread_once (&cinelerra_error_initialized, cinelerra_error_tls_init);
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const char* err = pthread_getspecific (cinelerra_error_tls);
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if (!err)
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pthread_setspecific (cinelerra_error_tls, nerr);
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return err;
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}
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const char*
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cinelerra_error ()
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{
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pthread_once (&cinelerra_error_initialized, cinelerra_error_tls_init);
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const char* err = pthread_getspecific (cinelerra_error_tls);
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if (err)
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pthread_setspecific (cinelerra_error_tls, NULL);
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return err;
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}
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