/*
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* Copyright (C) 2014 Philippe Gerum <rpm@xenomai.org>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#include <xeno_config.h>
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#include <stdio.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <memory.h>
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#include <boilerplate/signal.h>
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#include "cobalt/internal.h"
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#include "internal.h"
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sigset_t trank_sigperiod_set;
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#ifdef HAVE_TLS
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__thread __attribute__ ((tls_model (CONFIG_XENO_TLS_MODEL)))
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struct trank_context trank_context;
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static void trank_init_context(void)
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{
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memset(&trank_context, 0, sizeof(trank_context));
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}
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static inline void trank_destroy_context(void)
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{
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/* nop */
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}
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#else /* !HAVE_TLS */
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#include <malloc.h>
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pthread_key_t trank_context_key;
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static void trank_init_context(void)
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{
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struct trank_context *tc;
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tc = malloc(sizeof(*tc));
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if (tc == NULL)
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early_panic("error creating TSD: %s", strerror(ENOMEM));
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memset(tc, 0, sizeof(*tc));
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pthread_setspecific(trank_context_key, tc);
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}
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static void __trank_destroy_context(void *p)
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{
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free(p);
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}
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static void trank_destroy_context(void)
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{
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struct trank_context *tc;
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tc = pthread_getspecific(trank_context_key);
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if (tc) {
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pthread_setspecific(trank_context_key, NULL);
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__trank_destroy_context(tc);
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}
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}
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#endif /* !HAVE_TLS */
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static struct cobalt_tsd_hook tsd_hook = {
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.create_tsd = trank_init_context,
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.delete_tsd = trank_destroy_context,
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};
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int trank_init_interface(void)
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{
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#ifndef HAVE_TLS
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int ret;
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ret = pthread_key_create(&trank_context_key, __trank_destroy_context);
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if (ret)
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early_panic("error creating TSD key: %s", strerror(ret));
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#endif
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sigaddset(&trank_sigperiod_set, SIGPERIOD);
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cobalt_register_tsd_hook(&tsd_hook);
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return 0;
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}
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