WebSVN – HelenOS – Diff – /branches/rcu/kernel/generic/include/proc/thread.h


/*
 * Copyright (c) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * 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.
 */
 
/** @addtogroup genericproc
 * @{
 */
/** @file
 */
 
#ifndef KERN_THREAD_H_
#define KERN_THREAD_H_
 
#include <synch/waitq.h>
#include <proc/task.h>
#include <time/timeout.h>
#include <cpu.h>
#include <synch/rwlock.h>
#include <adt/btree.h>
#include <mm/slab.h>
#include <arch/cpu.h>
#include <mm/tlb.h>
#include <proc/uarg.h>
 
#define THREAD_STACK_SIZE   STACK_SIZE
#define THREAD_NAME_BUFLEN  20
 
extern char *thread_states[];
 
/* Thread flags */
 
/** Thread cannot be migrated to another CPU.
 *
 * When using this flag, the caller must set cpu in the thread_t
 * structure manually before calling thread_ready (even on uniprocessor).
 */
#define THREAD_FLAG_WIRED   (1 << 0)
/** Thread was migrated to another CPU and has not run yet. */
#define THREAD_FLAG_STOLEN  (1 << 1)
/** Thread executes in userspace. */
#define THREAD_FLAG_USPACE  (1 << 2)
 
/** Thread states. */
typedef enum {
    /** It is an error, if thread is found in this state. */
    Invalid,
    /** State of a thread that is currently executing on some CPU. */
    Running,
    /** Thread in this state is waiting for an event. */
    Sleeping,
    /** State of threads in a run queue. */
    Ready,
    /** Threads are in this state before they are first readied. */
    Entering,
    /** After a thread calls thread_exit(), it is put into Exiting state. */
    Exiting,
    /** Threads that were not detached but exited are in the Undead state. */
    Undead
} state_t;
 
/** Join types. */
typedef enum {
    None,
    TaskClnp,   /**< The thread will be joined by ktaskclnp thread. */
    TaskGC      /**< The thread will be joined by ktaskgc thread. */
} thread_join_type_t;
 
/** Thread structure. There is one per thread. */
typedef struct thread {
    link_t rq_link;     /**< Run queue link. */
    link_t wq_link;     /**< Wait queue link. */
    link_t th_link;     /**< Links to threads within containing task. */
   
    /** Lock protecting thread structure.
     *
     * Protects the whole thread structure except list links above.
     */
    SPINLOCK_DECLARE(lock);
 
    char name[THREAD_NAME_BUFLEN];
 
    /** Function implementing the thread. */
    void (* thread_code)(void *);
    /** Argument passed to thread_code() function. */
    void *thread_arg;
 
    /**
     * From here, the stored context is restored when the thread is
     * scheduled.
     */
    context_t saved_context;
    /**
     * From here, the stored timeout context is restored when sleep times
     * out.
     */
    context_t sleep_timeout_context;
    /**
     * From here, the stored interruption context is restored when sleep is
     * interrupted.
     */
    context_t sleep_interruption_context;
 
    /** If true, the thread can be interrupted from sleep. */
    bool sleep_interruptible;
    /** Wait queue in which this thread sleeps. */
    waitq_t *sleep_queue;
    /** Timeout used for timeoutable sleeping.  */
    timeout_t sleep_timeout;
    /** Flag signalling sleep timeout in progress. */
    volatile int timeout_pending;
 
    /**
     * True if this thread is executing copy_from_uspace().
     * False otherwise.
     */
    bool in_copy_from_uspace;
    /**
     * True if this thread is executing copy_to_uspace().
     * False otherwise.
     */
    bool in_copy_to_uspace;
   
    /**
     * If true, the thread will not go to sleep at all and will call
     * thread_exit() before returning to userspace.
     */
    bool interrupted;          
   
    /** Who joinins the thread. */
    thread_join_type_t join_type;
    /** If true, thread_join_timeout() cannot be used on this thread. */
    bool detached;
    /** Waitq for thread_join_timeout(). */
    waitq_t join_wq;
 
    fpu_context_t *saved_fpu_context;
    int fpu_context_exists;
 
    /*
     * Defined only if thread doesn't run.
     * It means that fpu context is in CPU that last time executes this
     * thread. This disables migration.
     */
    int fpu_context_engaged;
 
    rwlock_type_t rwlock_holder_type;
 
    /** Callback fired in scheduler before the thread is put asleep. */
    void (* call_me)(void *);
    /** Argument passed to call_me(). */
    void *call_me_with;
 
    /** Thread's state. */
    state_t state;
    /** Thread's flags. */
    int flags;
   
    /** Thread's CPU. */
    cpu_t *cpu;
    /** Containing task. */
    task_t *task;
 
    /** Ticks before preemption. */
    uint64_t ticks;
   
    /** Thread accounting. */
    uint64_t cycles;
    /** Last sampled cycle. */
    uint64_t last_cycle;
    /** Thread doesn't affect accumulated accounting. */   
    bool uncounted;
 
    /** Thread's priority. Implemented as index to CPU->rq */
    int priority;
    /** Thread ID. */
    thread_id_t tid;
   
    /** Architecture-specific data. */
    thread_arch_t arch;
 
    /** Thread's kernel stack. */
    uint8_t *kstack;
} thread_t;
 
/** Thread list lock.
 *
 * This lock protects all link_t structures chained in threads_head.
 * Must be acquired before T.lock for each T of type thread_t.
 *
 */
SPINLOCK_EXTERN(threads_lock);
 
/** B+tree containing all threads. */
extern btree_t threads_btree;
 
extern void thread_init(void);
extern thread_t *thread_create(void (* func)(void *), void *arg, task_t *task,
    int flags, char *name, bool uncounted);
extern void thread_ready(thread_t *t);
extern void thread_exit(void) __attribute__((noreturn));
 
#ifndef thread_create_arch
extern void thread_create_arch(thread_t *t);
#endif
#ifndef thr_constructor_arch
extern void thr_constructor_arch(thread_t *t);
#endif
#ifndef thr_destructor_arch
extern void thr_destructor_arch(thread_t *t);
#endif
 
extern void thread_sleep(uint32_t sec);
extern void thread_usleep(uint32_t usec);
 
#define thread_join(t) \
    thread_join_timeout((t), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE)
extern int thread_join_timeout(thread_t *t, uint32_t usec, int flags);
extern void thread_detach(thread_t *t);
 
extern void thread_register_call_me(void (* call_me)(void *),
    void *call_me_with);
extern void thread_print_list(void);
extern void thread_destroy(thread_t *t);
extern void thread_update_accounting(void);
extern bool thread_exists(thread_t *t);
 
/** Fpu context slab cache. */
extern slab_cache_t *fpu_context_slab;
 
/* Thread syscall prototypes. */
extern unative_t sys_thread_create(uspace_arg_t *uspace_uarg, char *uspace_name, thread_id_t *uspace_thread_id);
extern unative_t sys_thread_exit(int uspace_status);
extern unative_t sys_thread_get_id(thread_id_t *uspace_thread_id);
 
#endif
 
/** @}
 */
 

Rev 2292	Rev 2307
1	/*	1	/*
2	* Copyright (c) 2001-2004 Jakub Jermar	2	* Copyright (c) 2001-2004 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup genericproc	29	/** @addtogroup genericproc
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef KERN_THREAD_H_	35	#ifndef KERN_THREAD_H_
36	#define KERN_THREAD_H_	36	#define KERN_THREAD_H_
37		37
38	#include <synch/waitq.h>	38	#include <synch/waitq.h>
39	#include <proc/task.h>	39	#include <proc/task.h>
40	#include <time/timeout.h>	40	#include <time/timeout.h>
41	#include <cpu.h>	41	#include <cpu.h>
42	#include <synch/rwlock.h>	42	#include <synch/rwlock.h>
43	#include <adt/btree.h>	43	#include <adt/btree.h>
44	#include <mm/slab.h>	44	#include <mm/slab.h>
45	#include <arch/cpu.h>	45	#include <arch/cpu.h>
46	#include <mm/tlb.h>	46	#include <mm/tlb.h>
47	#include <proc/uarg.h>	47	#include <proc/uarg.h>
48		48
49	#define THREAD_STACK_SIZE STACK_SIZE	49	#define THREAD_STACK_SIZE STACK_SIZE
50	#define THREAD_NAME_BUFLEN 20	50	#define THREAD_NAME_BUFLEN 20
51		51
52	extern char *thread_states[];	52	extern char *thread_states[];
53		53
54	/* Thread flags */	54	/* Thread flags */
55		55
56	/** Thread cannot be migrated to another CPU. */	56	/** Thread cannot be migrated to another CPU.
-		57	*
-		58	* When using this flag, the caller must set cpu in the thread_t
-		59	* structure manually before calling thread_ready (even on uniprocessor).
-		60	*/
57	#define THREAD_FLAG_WIRED (1 << 0)	61	#define THREAD_FLAG_WIRED (1 << 0)
58	/** Thread was migrated to another CPU and has not run yet. */	62	/** Thread was migrated to another CPU and has not run yet. */
59	#define THREAD_FLAG_STOLEN (1 << 1)	63	#define THREAD_FLAG_STOLEN (1 << 1)
60	/** Thread executes in userspace. */	64	/** Thread executes in userspace. */
61	#define THREAD_FLAG_USPACE (1 << 2)	65	#define THREAD_FLAG_USPACE (1 << 2)
62		66
63	/** Thread states. */	67	/** Thread states. */
64	typedef enum {	68	typedef enum {
65	/** It is an error, if thread is found in this state. */	69	/** It is an error, if thread is found in this state. */
66	Invalid,	70	Invalid,
67	/** State of a thread that is currently executing on some CPU. */	71	/** State of a thread that is currently executing on some CPU. */
68	Running,	72	Running,
69	/** Thread in this state is waiting for an event. */	73	/** Thread in this state is waiting for an event. */
70	Sleeping,	74	Sleeping,
71	/** State of threads in a run queue. */	75	/** State of threads in a run queue. */
72	Ready,	76	Ready,
73	/** Threads are in this state before they are first readied. */	77	/** Threads are in this state before they are first readied. */
74	Entering,	78	Entering,
75	/** After a thread calls thread_exit(), it is put into Exiting state. */	79	/** After a thread calls thread_exit(), it is put into Exiting state. */
76	Exiting,	80	Exiting,
77	/** Threads that were not detached but exited are in the Undead state. */	81	/** Threads that were not detached but exited are in the Undead state. */
78	Undead	82	Undead
79	} state_t;	83	} state_t;
80		84
81	/** Join types. */	85	/** Join types. */
82	typedef enum {	86	typedef enum {
83	None,	87	None,
84	TaskClnp, /*< The thread will be joined by ktaskclnp thread. /	88	TaskClnp, /*< The thread will be joined by ktaskclnp thread. /
85	TaskGC /*< The thread will be joined by ktaskgc thread. /	89	TaskGC /*< The thread will be joined by ktaskgc thread. /
86	} thread_join_type_t;	90	} thread_join_type_t;
87		91
88	/** Thread structure. There is one per thread. */	92	/** Thread structure. There is one per thread. */
89	typedef struct thread {	93	typedef struct thread {
90	link_t rq_link; /*< Run queue link. /	94	link_t rq_link; /*< Run queue link. /
91	link_t wq_link; /*< Wait queue link. /	95	link_t wq_link; /*< Wait queue link. /
92	link_t th_link; /*< Links to threads within containing task. /	96	link_t th_link; /*< Links to threads within containing task. /
93		97
94	/** Lock protecting thread structure.	98	/** Lock protecting thread structure.
95	*	99	*
96	* Protects the whole thread structure except list links above.	100	* Protects the whole thread structure except list links above.
97	*/	101	*/
98	SPINLOCK_DECLARE(lock);	102	SPINLOCK_DECLARE(lock);
99		103
100	char name[THREAD_NAME_BUFLEN];	104	char name[THREAD_NAME_BUFLEN];
101		105
102	/** Function implementing the thread. */	106	/** Function implementing the thread. */
103	void (* thread_code)(void *);	107	void (* thread_code)(void *);
104	/** Argument passed to thread_code() function. */	108	/** Argument passed to thread_code() function. */
105	void *thread_arg;	109	void *thread_arg;
106		110
107	/**	111	/**
108	* From here, the stored context is restored when the thread is	112	* From here, the stored context is restored when the thread is
109	* scheduled.	113	* scheduled.
110	*/	114	*/
111	context_t saved_context;	115	context_t saved_context;
112	/**	116	/**
113	* From here, the stored timeout context is restored when sleep times	117	* From here, the stored timeout context is restored when sleep times
114	* out.	118	* out.
115	*/	119	*/
116	context_t sleep_timeout_context;	120	context_t sleep_timeout_context;
117	/**	121	/**
118	* From here, the stored interruption context is restored when sleep is	122	* From here, the stored interruption context is restored when sleep is
119	* interrupted.	123	* interrupted.
120	*/	124	*/
121	context_t sleep_interruption_context;	125	context_t sleep_interruption_context;
122		126
123	/** If true, the thread can be interrupted from sleep. */	127	/** If true, the thread can be interrupted from sleep. */
124	bool sleep_interruptible;	128	bool sleep_interruptible;
125	/** Wait queue in which this thread sleeps. */	129	/** Wait queue in which this thread sleeps. */
126	waitq_t *sleep_queue;	130	waitq_t *sleep_queue;
127	/** Timeout used for timeoutable sleeping. */	131	/** Timeout used for timeoutable sleeping. */
128	timeout_t sleep_timeout;	132	timeout_t sleep_timeout;
129	/** Flag signalling sleep timeout in progress. */	133	/** Flag signalling sleep timeout in progress. */
130	volatile int timeout_pending;	134	volatile int timeout_pending;
131		135
132	/**	136	/**
133	* True if this thread is executing copy_from_uspace().	137	* True if this thread is executing copy_from_uspace().
134	* False otherwise.	138	* False otherwise.
135	*/	139	*/
136	bool in_copy_from_uspace;	140	bool in_copy_from_uspace;
137	/**	141	/**
138	* True if this thread is executing copy_to_uspace().	142	* True if this thread is executing copy_to_uspace().
139	* False otherwise.	143	* False otherwise.
140	*/	144	*/
141	bool in_copy_to_uspace;	145	bool in_copy_to_uspace;
142		146
143	/**	147	/**
144	* If true, the thread will not go to sleep at all and will call	148	* If true, the thread will not go to sleep at all and will call
145	* thread_exit() before returning to userspace.	149	* thread_exit() before returning to userspace.
146	*/	150	*/
147	bool interrupted;	151	bool interrupted;
148		152
149	/** Who joinins the thread. */	153	/** Who joinins the thread. */
150	thread_join_type_t join_type;	154	thread_join_type_t join_type;
151	/** If true, thread_join_timeout() cannot be used on this thread. */	155	/** If true, thread_join_timeout() cannot be used on this thread. */
152	bool detached;	156	bool detached;
153	/** Waitq for thread_join_timeout(). */	157	/** Waitq for thread_join_timeout(). */
154	waitq_t join_wq;	158	waitq_t join_wq;
155		159
156	fpu_context_t *saved_fpu_context;	160	fpu_context_t *saved_fpu_context;
157	int fpu_context_exists;	161	int fpu_context_exists;
158		162
159	/*	163	/*
160	* Defined only if thread doesn't run.	164	* Defined only if thread doesn't run.
161	* It means that fpu context is in CPU that last time executes this	165	* It means that fpu context is in CPU that last time executes this
162	* thread. This disables migration.	166	* thread. This disables migration.
163	*/	167	*/
164	int fpu_context_engaged;	168	int fpu_context_engaged;
165		169
166	rwlock_type_t rwlock_holder_type;	170	rwlock_type_t rwlock_holder_type;
167		171
168	/** Callback fired in scheduler before the thread is put asleep. */	172	/** Callback fired in scheduler before the thread is put asleep. */
169	void (* call_me)(void *);	173	void (* call_me)(void *);
170	/** Argument passed to call_me(). */	174	/** Argument passed to call_me(). */
171	void *call_me_with;	175	void *call_me_with;
172		176
173	/** Thread's state. */	177	/** Thread's state. */
174	state_t state;	178	state_t state;
175	/** Thread's flags. */	179	/** Thread's flags. */
176	int flags;	180	int flags;
177		181
178	/** Thread's CPU. */	182	/** Thread's CPU. */
179	cpu_t *cpu;	183	cpu_t *cpu;
180	/** Containing task. */	184	/** Containing task. */
181	task_t *task;	185	task_t *task;
182		186
183	/** Ticks before preemption. */	187	/** Ticks before preemption. */
184	uint64_t ticks;	188	uint64_t ticks;
185		189
186	/** Thread accounting. */	190	/** Thread accounting. */
187	uint64_t cycles;	191	uint64_t cycles;
188	/** Last sampled cycle. */	192	/** Last sampled cycle. */
189	uint64_t last_cycle;	193	uint64_t last_cycle;
190	/** Thread doesn't affect accumulated accounting. */	194	/** Thread doesn't affect accumulated accounting. */
191	bool uncounted;	195	bool uncounted;
192		196
193	/** Thread's priority. Implemented as index to CPU->rq */	197	/** Thread's priority. Implemented as index to CPU->rq */
194	int priority;	198	int priority;
195	/** Thread ID. */	199	/** Thread ID. */
196	uint32_t tid;	200	thread_id_t tid;
197		201
198	/** Architecture-specific data. */	202	/** Architecture-specific data. */
199	thread_arch_t arch;	203	thread_arch_t arch;
200		204
201	/** Thread's kernel stack. */	205	/** Thread's kernel stack. */
202	uint8_t *kstack;	206	uint8_t *kstack;
203	} thread_t;	207	} thread_t;
204		208
205	/** Thread list lock.	209	/** Thread list lock.
206	*	210	*
207	* This lock protects all link_t structures chained in threads_head.	211	* This lock protects all link_t structures chained in threads_head.
208	* Must be acquired before T.lock for each T of type thread_t.	212	* Must be acquired before T.lock for each T of type thread_t.
209	*	213	*
210	*/	214	*/
211	SPINLOCK_EXTERN(threads_lock);	215	SPINLOCK_EXTERN(threads_lock);
212		216
213	/** B+tree containing all threads. */	217	/** B+tree containing all threads. */
214	extern btree_t threads_btree;	218	extern btree_t threads_btree;
215		219
216	extern void thread_init(void);	220	extern void thread_init(void);
217	extern thread_t thread_create(void ( func)(void ), void arg, task_t *task,	221	extern thread_t thread_create(void ( func)(void ), void arg, task_t *task,
218	int flags, char *name, bool uncounted);	222	int flags, char *name, bool uncounted);
219	extern void thread_ready(thread_t *t);	223	extern void thread_ready(thread_t *t);
220	extern void thread_exit(void) __attribute__((noreturn));	224	extern void thread_exit(void) __attribute__((noreturn));
221		225
222	#ifndef thread_create_arch	226	#ifndef thread_create_arch
223	extern void thread_create_arch(thread_t *t);	227	extern void thread_create_arch(thread_t *t);
224	#endif	228	#endif
225	#ifndef thr_constructor_arch	229	#ifndef thr_constructor_arch
226	extern void thr_constructor_arch(thread_t *t);	230	extern void thr_constructor_arch(thread_t *t);
227	#endif	231	#endif
228	#ifndef thr_destructor_arch	232	#ifndef thr_destructor_arch
229	extern void thr_destructor_arch(thread_t *t);	233	extern void thr_destructor_arch(thread_t *t);
230	#endif	234	#endif
231		235
232	extern void thread_sleep(uint32_t sec);	236	extern void thread_sleep(uint32_t sec);
233	extern void thread_usleep(uint32_t usec);	237	extern void thread_usleep(uint32_t usec);
234		238
235	#define thread_join(t) \	239	#define thread_join(t) \
236	thread_join_timeout((t), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE)	240	thread_join_timeout((t), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE)
237	extern int thread_join_timeout(thread_t *t, uint32_t usec, int flags);	241	extern int thread_join_timeout(thread_t *t, uint32_t usec, int flags);
238	extern void thread_detach(thread_t *t);	242	extern void thread_detach(thread_t *t);
239		243
240	extern void thread_register_call_me(void (* call_me)(void *),	244	extern void thread_register_call_me(void (* call_me)(void *),
241	void *call_me_with);	245	void *call_me_with);
242	extern void thread_print_list(void);	246	extern void thread_print_list(void);
243	extern void thread_destroy(thread_t *t);	247	extern void thread_destroy(thread_t *t);
244	extern void thread_update_accounting(void);	248	extern void thread_update_accounting(void);
245	extern bool thread_exists(thread_t *t);	249	extern bool thread_exists(thread_t *t);
246		250
247	/** Fpu context slab cache. */	251	/** Fpu context slab cache. */
248	extern slab_cache_t *fpu_context_slab;	252	extern slab_cache_t *fpu_context_slab;
249		253
250	/* Thread syscall prototypes. */	254	/* Thread syscall prototypes. */
251	unative_t sys_thread_create(uspace_arg_t uspace_uarg, char uspace_name);	255	extern unative_t sys_thread_create(uspace_arg_t uspace_uarg, char uspace_name, thread_id_t *uspace_thread_id);
252	unative_t sys_thread_exit(int uspace_status);	256	extern unative_t sys_thread_exit(int uspace_status);
-		257	extern unative_t sys_thread_get_id(thread_id_t *uspace_thread_id);
253		258
254	#endif	259	#endif
255		260
256	/** @}	261	/** @}
257	*/	262	*/
258		263

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(root)/branches/rcu/kernel/generic/include/proc/thread.h – Rev 2292 → 2307