haiku/headers/private/kernel/sem.h
Ingo Weinhold 4535495d80 Merged the signals branch into trunk, with these changes:
* The team and thread kernel structures have been renamed to Team and Thread
  respectively and moved into the new BKernel namespace.
* Several (kernel add-on) sources have been converted from C to C++ since
  private kernel headers are included that are no longer C compatible.

Changes after merging:
* Fixed gcc 2 build (warnings mainly in the scary firewire bus manager).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40196 a95241bf-73f2-0310-859d-f6bbb57e9c96
2011-01-10 21:54:38 +00:00

56 lines
1.7 KiB
C

/*
* Copyright 2002-2009, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#ifndef KERNEL_SEM_H
#define KERNEL_SEM_H
#include <OS.h>
#include <thread.h>
struct kernel_args;
struct select_info;
#ifdef __cplusplus
extern "C" {
#endif
extern status_t haiku_sem_init(struct kernel_args *args);
extern void sem_delete_owned_sems(Team* team);
extern int32 sem_used_sems(void);
extern int32 sem_max_sems(void);
extern status_t select_sem(int32 object, struct select_info *info, bool kernel);
extern status_t deselect_sem(int32 object, struct select_info *info,
bool kernel);
extern sem_id create_sem_etc(int32 count, const char *name, team_id owner);
extern const char* sem_get_name_unsafe(sem_id id);
/* user calls */
sem_id _user_create_sem(int32 count, const char *name);
status_t _user_delete_sem(sem_id id);
status_t _user_acquire_sem(sem_id id);
status_t _user_acquire_sem_etc(sem_id id, int32 count, uint32 flags, bigtime_t timeout);
status_t _user_switch_sem(sem_id releaseSem, sem_id id);
status_t _user_switch_sem_etc(sem_id releaseSem, sem_id id, int32 count, uint32 flags, bigtime_t timeout);
status_t _user_release_sem(sem_id id);
status_t _user_release_sem_etc(sem_id id, int32 count, uint32 flags);
status_t _user_get_sem_count(sem_id id, int32* thread_count);
status_t _user_get_sem_info(sem_id, struct sem_info *, size_t);
status_t _user_get_next_sem_info(team_id, int32 *, struct sem_info *, size_t);
status_t _user_set_sem_owner(sem_id id, team_id team);
#ifdef __cplusplus
}
#endif
#endif /* KERNEL_SEM_H */