104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/*
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* Copyright 2002-2007, Axel Dörfler, axeld@pinc-software.de.
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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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#ifndef _THREAD_H
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#define _THREAD_H
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#include <OS.h>
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#include <thread_types.h>
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#include <arch/thread.h>
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struct kernel_args;
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struct select_info;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void thread_enqueue(struct thread *t, struct thread_queue *q);
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struct thread *thread_lookat_queue(struct thread_queue *q);
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struct thread *thread_dequeue(struct thread_queue *q);
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struct thread *thread_dequeue_id(struct thread_queue *q, thread_id id);
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void thread_at_kernel_entry(bigtime_t now);
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// called when the thread enters the kernel on behalf of the thread
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void thread_at_kernel_exit(void);
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void thread_at_kernel_exit_no_signals(void);
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void thread_reset_for_exec(void);
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status_t thread_init(struct kernel_args *args);
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status_t thread_preboot_init_percpu(struct kernel_args *args, int32 cpuNum);
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void thread_yield(bool force);
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void thread_exit(void);
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int32 thread_max_threads(void);
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int32 thread_used_threads(void);
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#define thread_get_current_thread arch_thread_get_current_thread
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struct thread *thread_get_thread_struct(thread_id id);
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struct thread *thread_get_thread_struct_locked(thread_id id);
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static thread_id thread_get_current_thread_id(void);
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static inline thread_id
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thread_get_current_thread_id(void)
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{
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struct thread *thread = thread_get_current_thread();
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return thread ? thread->id : 0;
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}
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static inline bool
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thread_is_idle_thread(struct thread *thread)
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{
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return thread->entry == NULL;
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}
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thread_id allocate_thread_id(void);
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thread_id peek_next_thread_id(void);
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thread_id spawn_kernel_thread_etc(thread_func, const char *name, int32 priority,
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void *args, team_id team, thread_id threadID);
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status_t wait_for_thread_etc(thread_id id, uint32 flags, bigtime_t timeout,
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status_t *_returnCode);
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status_t select_thread(int32 object, struct select_info *info, bool kernel);
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status_t deselect_thread(int32 object, struct select_info *info, bool kernel);
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#define syscall_64_bit_return_value() arch_syscall_64_bit_return_value()
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// used in syscalls.c
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status_t _user_set_thread_priority(thread_id thread, int32 newPriority);
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status_t _user_rename_thread(thread_id thread, const char *name);
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status_t _user_suspend_thread(thread_id thread);
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status_t _user_resume_thread(thread_id thread);
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status_t _user_rename_thread(thread_id thread, const char *name);
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thread_id _user_spawn_thread(thread_entry_func entry, const char *name, int32 priority, void *arg1, void *arg2);
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status_t _user_wait_for_thread(thread_id id, status_t *_returnCode);
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status_t _user_snooze_etc(bigtime_t timeout, int timebase, uint32 flags);
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status_t _user_kill_thread(thread_id thread);
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void _user_thread_yield(void);
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void _user_exit_thread(status_t return_value);
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bool _user_has_data(thread_id thread);
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status_t _user_send_data(thread_id thread, int32 code, const void *buffer, size_t buffer_size);
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status_t _user_receive_data(thread_id *_sender, void *buffer, size_t buffer_size);
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thread_id _user_find_thread(const char *name);
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status_t _user_get_thread_info(thread_id id, thread_info *info);
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status_t _user_get_next_thread_info(team_id team, int32 *cookie, thread_info *info);
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// ToDo: these don't belong here
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struct rlimit;
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int _user_getrlimit(int resource, struct rlimit * rlp);
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int _user_setrlimit(int resource, const struct rlimit * rlp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _THREAD_H */
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