diff options
Diffstat (limited to 'lib/librt/sigev_thread.h')
| -rw-r--r-- | lib/librt/sigev_thread.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/librt/sigev_thread.h b/lib/librt/sigev_thread.h new file mode 100644 index 0000000..998af17 --- /dev/null +++ b/lib/librt/sigev_thread.h @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2005 David Xu <davidxu@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice unmodified, this list of conditions, and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + * + */ + +#ifndef _SIGEV_THREAD_H_ +#define _SIGEV_THREAD_H_ + +#include <sys/types.h> +#include <sys/queue.h> +#include <setjmp.h> + +struct sigev_thread_node; +struct sigev_node; + +typedef uintptr_t sigev_id_t; +typedef void (*sigev_dispatch_t)(struct sigev_node *, siginfo_t *); + +struct sigev_node { + LIST_ENTRY(sigev_node) sn_link; + LIST_ENTRY(sigev_node) sn_allist; + int sn_type; + sigev_id_t sn_id; + sigev_dispatch_t sn_dispatch; + union sigval sn_value; + void *sn_func; + int sn_flags; + int sn_gen; + struct sigev_thread_node * sn_tn; +}; + +struct sigev_thread_attr { + int sna_policy; + int sna_inherit; + int sna_prio; + int sna_scope; + size_t sna_stacksize; + void *sna_stackaddr; + size_t sna_guardsize; +}; + +struct sigev_thread_node { + TAILQ_ENTRY(sigev_thread_node) tn_link; + pthread_t tn_thread; + struct sigev_node *tn_cur; + struct sigev_thread_attr tn_sna; + long tn_lwpid; + pthread_cond_t tn_cv; + jmp_buf tn_jbuf; +}; + +#define SNF_WORKING 0x01 +#define SNF_REMOVED 0x02 +#define SNF_ONESHOT 0x04 + +#define SIGEV_SIGSERVICE (SIGTHR+1) + +int __sigev_check_init(); +struct sigev_node *__sigev_alloc(int, const struct sigevent *); +struct sigev_node *__sigev_find(int, sigev_id_t); +void __sigev_get_sigevent(struct sigev_node *, struct sigevent *, + sigev_id_t); +int __sigev_register(struct sigev_node *); +int __sigev_delete(int, sigev_id_t); +int __sigev_delete_node(struct sigev_node *); +int __sigev_list_lock(void); +int __sigev_list_unlock(void); +int __sigev_thread_list_lock(void); +int __sigev_thread_list_unlock(void); +void __sigev_free(struct sigev_node *); + +#endif |
