2003-05-03 20:03:26 +04:00
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/*
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2005-03-18 01:35:00 +03:00
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* Copyright 2002-2005, Axel Dörfler, axeld@pinc-software.de.
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2004-11-30 21:17:59 +03:00
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* Distributed under the terms of the MIT License.
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*
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* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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* Distributed under the terms of the NewOS License.
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*/
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2003-05-03 20:03:26 +04:00
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#ifndef KERNEL_SEM_H
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#define KERNEL_SEM_H
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2002-07-09 16:24:59 +04:00
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2004-11-30 21:17:59 +03:00
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2002-07-19 00:51:27 +04:00
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#include <OS.h>
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2002-07-09 16:24:59 +04:00
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#include <thread.h>
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2003-05-03 20:03:26 +04:00
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struct kernel_args;
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2007-10-02 23:47:31 +04:00
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struct select_info;
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2003-05-03 20:03:26 +04:00
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2002-07-09 16:24:59 +04:00
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2004-11-30 21:17:59 +03:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2008-05-06 07:39:36 +04:00
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extern status_t haiku_sem_init(struct kernel_args *args);
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2004-11-30 21:17:59 +03:00
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extern int sem_delete_owned_sems(team_id owner);
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extern int32 sem_used_sems(void);
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extern int32 sem_max_sems(void);
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2007-10-02 23:47:31 +04:00
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extern status_t select_sem(int32 object, struct select_info *info, bool kernel);
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extern status_t deselect_sem(int32 object, struct select_info *info,
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bool kernel);
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2004-11-30 21:17:59 +03:00
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extern sem_id create_sem_etc(int32 count, const char *name, team_id owner);
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2002-10-05 05:17:28 +04:00
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/* user calls */
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2004-08-29 00:45:00 +04:00
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sem_id _user_create_sem(int32 count, const char *name);
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status_t _user_delete_sem(sem_id id);
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status_t _user_acquire_sem(sem_id id);
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status_t _user_acquire_sem_etc(sem_id id, int32 count, uint32 flags, bigtime_t timeout);
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2005-03-18 01:35:00 +03:00
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status_t _user_switch_sem(sem_id releaseSem, sem_id id);
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status_t _user_switch_sem_etc(sem_id releaseSem, sem_id id, int32 count, uint32 flags, bigtime_t timeout);
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2004-08-29 00:45:00 +04:00
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status_t _user_release_sem(sem_id id);
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status_t _user_release_sem_etc(sem_id id, int32 count, uint32 flags);
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status_t _user_get_sem_count(sem_id id, int32* thread_count);
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status_t _user_get_sem_info(sem_id, struct sem_info *, size_t);
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status_t _user_get_next_sem_info(team_id, int32 *, struct sem_info *, size_t);
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status_t _user_set_sem_owner(sem_id id, team_id team);
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2002-09-03 06:19:22 +04:00
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2004-11-30 21:17:59 +03:00
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#ifdef __cplusplus
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}
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#endif
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2002-09-03 06:19:22 +04:00
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2003-05-03 20:03:26 +04:00
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#endif /* KERNEL_SEM_H */
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