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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 | #include <proc/scheduler.h> |
29 | #include <proc/scheduler.h> |
30 | #include <proc/thread.h> |
30 | #include <proc/thread.h> |
31 | #include <proc/task.h> |
31 | #include <proc/task.h> |
32 | #include <mm/heap.h> |
32 | #include <mm/heap.h> |
33 | #include <mm/frame.h> |
33 | #include <mm/frame.h> |
34 | #include <mm/page.h> |
34 | #include <mm/page.h> |
35 | #include <arch/asm.h> |
35 | #include <arch/asm.h> |
36 | #include <arch.h> |
36 | #include <arch.h> |
37 | #include <synch/synch.h> |
37 | #include <synch/synch.h> |
38 | #include <synch/spinlock.h> |
38 | #include <synch/spinlock.h> |
39 | #include <synch/waitq.h> |
39 | #include <synch/waitq.h> |
40 | #include <synch/rwlock.h> |
40 | #include <synch/rwlock.h> |
41 | #include <cpu.h> |
41 | #include <cpu.h> |
42 | #include <func.h> |
42 | #include <func.h> |
43 | #include <context.h> |
43 | #include <context.h> |
44 | #include <list.h> |
44 | #include <list.h> |
45 | #include <typedefs.h> |
45 | #include <typedefs.h> |
46 | #include <time/clock.h> |
46 | #include <time/clock.h> |
47 | #include <list.h> |
47 | #include <list.h> |
48 | #include <config.h> |
48 | #include <config.h> |
49 | #include <arch/interrupt.h> |
49 | #include <arch/interrupt.h> |
50 | #include <smp/ipi.h> |
50 | #include <smp/ipi.h> |
51 | #include <arch/faddr.h> |
51 | #include <arch/faddr.h> |
52 | #include <arch/atomic.h> |
52 | #include <arch/atomic.h> |
53 | #include <memstr.h> |
53 | #include <memstr.h> |
- | 54 | #include <print.h> |
|
54 | 55 | ||
55 | char *thread_states[] = {"Invalid", "Running", "Sleeping", "Ready", "Entering", "Exiting"}; /**< Thread states */ |
56 | char *thread_states[] = {"Invalid", "Running", "Sleeping", "Ready", "Entering", "Exiting"}; /**< Thread states */ |
56 | 57 | ||
57 | SPINLOCK_INITIALIZE(threads_lock); /**< Lock protecting threads_head list. For locking rules, see declaration thereof. */ |
58 | SPINLOCK_INITIALIZE(threads_lock); /**< Lock protecting threads_head list. For locking rules, see declaration thereof. */ |
58 | LIST_INITIALIZE(threads_head); /**< List of all threads. */ |
59 | LIST_INITIALIZE(threads_head); /**< List of all threads. */ |
59 | 60 | ||
60 | SPINLOCK_INITIALIZE(tidlock); |
61 | SPINLOCK_INITIALIZE(tidlock); |
61 | __u32 last_tid = 0; |
62 | __u32 last_tid = 0; |
62 | 63 | ||
63 | 64 | ||
64 | /** Thread wrapper |
65 | /** Thread wrapper |
65 | * |
66 | * |
66 | * This wrapper is provided to ensure that every thread |
67 | * This wrapper is provided to ensure that every thread |
67 | * makes a call to thread_exit() when its implementing |
68 | * makes a call to thread_exit() when its implementing |
68 | * function returns. |
69 | * function returns. |
69 | * |
70 | * |
70 | * interrupts_disable() is assumed. |
71 | * interrupts_disable() is assumed. |
71 | * |
72 | * |
72 | */ |
73 | */ |
73 | static void cushion(void) |
74 | static void cushion(void) |
74 | { |
75 | { |
75 | void (*f)(void *) = THREAD->thread_code; |
76 | void (*f)(void *) = THREAD->thread_code; |
76 | void *arg = THREAD->thread_arg; |
77 | void *arg = THREAD->thread_arg; |
77 | 78 | ||
78 | /* this is where each thread wakes up after its creation */ |
79 | /* this is where each thread wakes up after its creation */ |
79 | before_thread_runs(); |
80 | before_thread_runs(); |
80 | 81 | ||
81 | spinlock_unlock(&THREAD->lock); |
82 | spinlock_unlock(&THREAD->lock); |
82 | interrupts_enable(); |
83 | interrupts_enable(); |
83 | 84 | ||
84 | f(arg); |
85 | f(arg); |
85 | thread_exit(); |
86 | thread_exit(); |
86 | /* not reached */ |
87 | /* not reached */ |
87 | } |
88 | } |
88 | 89 | ||
89 | 90 | ||
90 | /** Initialize threads |
91 | /** Initialize threads |
91 | * |
92 | * |
92 | * Initialize kernel threads support. |
93 | * Initialize kernel threads support. |
93 | * |
94 | * |
94 | */ |
95 | */ |
95 | void thread_init(void) |
96 | void thread_init(void) |
96 | { |
97 | { |
97 | THREAD = NULL; |
98 | THREAD = NULL; |
98 | atomic_set(&nrdy,0); |
99 | atomic_set(&nrdy,0); |
99 | } |
100 | } |
100 | 101 | ||
101 | 102 | ||
102 | /** Make thread ready |
103 | /** Make thread ready |
103 | * |
104 | * |
104 | * Switch thread t to the ready state. |
105 | * Switch thread t to the ready state. |
105 | * |
106 | * |
106 | * @param t Thread to make ready. |
107 | * @param t Thread to make ready. |
107 | * |
108 | * |
108 | */ |
109 | */ |
109 | void thread_ready(thread_t *t) |
110 | void thread_ready(thread_t *t) |
110 | { |
111 | { |
111 | cpu_t *cpu; |
112 | cpu_t *cpu; |
112 | runq_t *r; |
113 | runq_t *r; |
113 | ipl_t ipl; |
114 | ipl_t ipl; |
114 | int i, avg; |
115 | int i, avg; |
115 | 116 | ||
116 | ipl = interrupts_disable(); |
117 | ipl = interrupts_disable(); |
117 | 118 | ||
118 | spinlock_lock(&t->lock); |
119 | spinlock_lock(&t->lock); |
119 | 120 | ||
120 | i = (t->priority < RQ_COUNT -1) ? ++t->priority : t->priority; |
121 | i = (t->priority < RQ_COUNT -1) ? ++t->priority : t->priority; |
121 | 122 | ||
122 | cpu = CPU; |
123 | cpu = CPU; |
123 | if (t->flags & X_WIRED) { |
124 | if (t->flags & X_WIRED) { |
124 | cpu = t->cpu; |
125 | cpu = t->cpu; |
125 | } |
126 | } |
126 | spinlock_unlock(&t->lock); |
127 | spinlock_unlock(&t->lock); |
127 | 128 | ||
128 | /* |
129 | /* |
129 | * Append t to respective ready queue on respective processor. |
130 | * Append t to respective ready queue on respective processor. |
130 | */ |
131 | */ |
131 | r = &cpu->rq[i]; |
132 | r = &cpu->rq[i]; |
132 | spinlock_lock(&r->lock); |
133 | spinlock_lock(&r->lock); |
133 | list_append(&t->rq_link, &r->rq_head); |
134 | list_append(&t->rq_link, &r->rq_head); |
134 | r->n++; |
135 | r->n++; |
135 | spinlock_unlock(&r->lock); |
136 | spinlock_unlock(&r->lock); |
136 | 137 | ||
137 | atomic_inc(&nrdy); |
138 | atomic_inc(&nrdy); |
138 | avg = atomic_get(&nrdy) / config.cpu_active; |
139 | avg = atomic_get(&nrdy) / config.cpu_active; |
139 | 140 | ||
140 | spinlock_lock(&cpu->lock); |
141 | spinlock_lock(&cpu->lock); |
141 | if ((++cpu->nrdy) > avg) { |
142 | if ((++cpu->nrdy) > avg) { |
142 | /* |
143 | /* |
143 | * If there are idle halted CPU's, this will wake them up. |
144 | * If there are idle halted CPU's, this will wake them up. |
144 | */ |
145 | */ |
145 | ipi_broadcast(VECTOR_WAKEUP_IPI); |
146 | ipi_broadcast(VECTOR_WAKEUP_IPI); |
146 | } |
147 | } |
147 | spinlock_unlock(&cpu->lock); |
148 | spinlock_unlock(&cpu->lock); |
148 | 149 | ||
149 | interrupts_restore(ipl); |
150 | interrupts_restore(ipl); |
150 | } |
151 | } |
151 | 152 | ||
152 | 153 | ||
153 | /** Create new thread |
154 | /** Create new thread |
154 | * |
155 | * |
155 | * Create a new thread. |
156 | * Create a new thread. |
156 | * |
157 | * |
157 | * @param func Thread's implementing function. |
158 | * @param func Thread's implementing function. |
158 | * @param arg Thread's implementing function argument. |
159 | * @param arg Thread's implementing function argument. |
159 | * @param task Task to which the thread belongs. |
160 | * @param task Task to which the thread belongs. |
160 | * @param flags Thread flags. |
161 | * @param flags Thread flags. |
161 | * |
162 | * |
162 | * @return New thread's structure on success, NULL on failure. |
163 | * @return New thread's structure on success, NULL on failure. |
163 | * |
164 | * |
164 | */ |
165 | */ |
165 | thread_t *thread_create(void (* func)(void *), void *arg, task_t *task, int flags) |
166 | thread_t *thread_create(void (* func)(void *), void *arg, task_t *task, int flags) |
166 | { |
167 | { |
167 | thread_t *t; |
168 | thread_t *t; |
168 | __address frame_ks, frame_us = NULL; |
169 | __address frame_ks, frame_us = NULL; |
169 | 170 | ||
170 | t = (thread_t *) malloc(sizeof(thread_t)); |
171 | t = (thread_t *) malloc(sizeof(thread_t)); |
171 | if (t) { |
172 | if (t) { |
172 | ipl_t ipl; |
173 | ipl_t ipl; |
173 | 174 | ||
174 | spinlock_initialize(&t->lock, "thread_t_lock"); |
175 | spinlock_initialize(&t->lock, "thread_t_lock"); |
175 | 176 | ||
176 | frame_ks = frame_alloc(FRAME_KA, ONE_FRAME, NULL, NULL); |
177 | frame_ks = frame_alloc(FRAME_KA, ONE_FRAME, NULL, NULL); |
177 | if (THREAD_USER_STACK & flags) { |
178 | if (THREAD_USER_STACK & flags) { |
178 | frame_us = frame_alloc(FRAME_KA, ONE_FRAME, NULL,NULL); |
179 | frame_us = frame_alloc(FRAME_KA, ONE_FRAME, NULL,NULL); |
179 | } |
180 | } |
180 | 181 | ||
181 | ipl = interrupts_disable(); |
182 | ipl = interrupts_disable(); |
182 | spinlock_lock(&tidlock); |
183 | spinlock_lock(&tidlock); |
183 | t->tid = ++last_tid; |
184 | t->tid = ++last_tid; |
184 | spinlock_unlock(&tidlock); |
185 | spinlock_unlock(&tidlock); |
185 | interrupts_restore(ipl); |
186 | interrupts_restore(ipl); |
186 | 187 | ||
187 | memsetb(frame_ks, THREAD_STACK_SIZE, 0); |
188 | memsetb(frame_ks, THREAD_STACK_SIZE, 0); |
188 | link_initialize(&t->rq_link); |
189 | link_initialize(&t->rq_link); |
189 | link_initialize(&t->wq_link); |
190 | link_initialize(&t->wq_link); |
190 | link_initialize(&t->th_link); |
191 | link_initialize(&t->th_link); |
191 | link_initialize(&t->threads_link); |
192 | link_initialize(&t->threads_link); |
192 | t->kstack = (__u8 *) frame_ks; |
193 | t->kstack = (__u8 *) frame_ks; |
193 | t->ustack = (__u8 *) frame_us; |
194 | t->ustack = (__u8 *) frame_us; |
194 | 195 | ||
195 | context_save(&t->saved_context); |
196 | context_save(&t->saved_context); |
196 | context_set(&t->saved_context, FADDR(cushion), (__address) t->kstack, THREAD_STACK_SIZE); |
197 | context_set(&t->saved_context, FADDR(cushion), (__address) t->kstack, THREAD_STACK_SIZE); |
197 | 198 | ||
198 | the_initialize((the_t *) t->kstack); |
199 | the_initialize((the_t *) t->kstack); |
199 | 200 | ||
200 | ipl = interrupts_disable(); |
201 | ipl = interrupts_disable(); |
201 | t->saved_context.ipl = interrupts_read(); |
202 | t->saved_context.ipl = interrupts_read(); |
202 | interrupts_restore(ipl); |
203 | interrupts_restore(ipl); |
203 | 204 | ||
204 | t->thread_code = func; |
205 | t->thread_code = func; |
205 | t->thread_arg = arg; |
206 | t->thread_arg = arg; |
206 | t->ticks = -1; |
207 | t->ticks = -1; |
207 | t->priority = -1; /* start in rq[0] */ |
208 | t->priority = -1; /* start in rq[0] */ |
208 | t->cpu = NULL; |
209 | t->cpu = NULL; |
209 | t->flags = 0; |
210 | t->flags = 0; |
210 | t->state = Entering; |
211 | t->state = Entering; |
211 | t->call_me = NULL; |
212 | t->call_me = NULL; |
212 | t->call_me_with = NULL; |
213 | t->call_me_with = NULL; |
213 | 214 | ||
214 | timeout_initialize(&t->sleep_timeout); |
215 | timeout_initialize(&t->sleep_timeout); |
215 | t->sleep_queue = NULL; |
216 | t->sleep_queue = NULL; |
216 | t->timeout_pending = 0; |
217 | t->timeout_pending = 0; |
217 | 218 | ||
218 | t->rwlock_holder_type = RWLOCK_NONE; |
219 | t->rwlock_holder_type = RWLOCK_NONE; |
219 | 220 | ||
220 | t->task = task; |
221 | t->task = task; |
221 | 222 | ||
222 | t->fpu_context_exists=0; |
223 | t->fpu_context_exists=0; |
223 | t->fpu_context_engaged=0; |
224 | t->fpu_context_engaged=0; |
224 | 225 | ||
225 | /* |
226 | /* |
226 | * Register this thread in the system-wide list. |
227 | * Register this thread in the system-wide list. |
227 | */ |
228 | */ |
228 | ipl = interrupts_disable(); |
229 | ipl = interrupts_disable(); |
229 | spinlock_lock(&threads_lock); |
230 | spinlock_lock(&threads_lock); |
230 | list_append(&t->threads_link, &threads_head); |
231 | list_append(&t->threads_link, &threads_head); |
231 | spinlock_unlock(&threads_lock); |
232 | spinlock_unlock(&threads_lock); |
232 | 233 | ||
233 | /* |
234 | /* |
234 | * Attach to the containing task. |
235 | * Attach to the containing task. |
235 | */ |
236 | */ |
236 | spinlock_lock(&task->lock); |
237 | spinlock_lock(&task->lock); |
237 | list_append(&t->th_link, &task->th_head); |
238 | list_append(&t->th_link, &task->th_head); |
238 | spinlock_unlock(&task->lock); |
239 | spinlock_unlock(&task->lock); |
239 | 240 | ||
240 | interrupts_restore(ipl); |
241 | interrupts_restore(ipl); |
241 | } |
242 | } |
242 | 243 | ||
243 | return t; |
244 | return t; |
244 | } |
245 | } |
245 | 246 | ||
246 | 247 | ||
247 | /** Make thread exiting |
248 | /** Make thread exiting |
248 | * |
249 | * |
249 | * End current thread execution and switch it to the exiting |
250 | * End current thread execution and switch it to the exiting |
250 | * state. All pending timeouts are executed. |
251 | * state. All pending timeouts are executed. |
251 | * |
252 | * |
252 | */ |
253 | */ |
253 | void thread_exit(void) |
254 | void thread_exit(void) |
254 | { |
255 | { |
255 | ipl_t ipl; |
256 | ipl_t ipl; |
256 | 257 | ||
257 | restart: |
258 | restart: |
258 | ipl = interrupts_disable(); |
259 | ipl = interrupts_disable(); |
259 | spinlock_lock(&THREAD->lock); |
260 | spinlock_lock(&THREAD->lock); |
260 | if (THREAD->timeout_pending) { /* busy waiting for timeouts in progress */ |
261 | if (THREAD->timeout_pending) { /* busy waiting for timeouts in progress */ |
261 | spinlock_unlock(&THREAD->lock); |
262 | spinlock_unlock(&THREAD->lock); |
262 | interrupts_restore(ipl); |
263 | interrupts_restore(ipl); |
263 | goto restart; |
264 | goto restart; |
264 | } |
265 | } |
265 | THREAD->state = Exiting; |
266 | THREAD->state = Exiting; |
266 | spinlock_unlock(&THREAD->lock); |
267 | spinlock_unlock(&THREAD->lock); |
267 | scheduler(); |
268 | scheduler(); |
268 | } |
269 | } |
269 | 270 | ||
270 | 271 | ||
271 | /** Thread sleep |
272 | /** Thread sleep |
272 | * |
273 | * |
273 | * Suspend execution of the current thread. |
274 | * Suspend execution of the current thread. |
274 | * |
275 | * |
275 | * @param sec Number of seconds to sleep. |
276 | * @param sec Number of seconds to sleep. |
276 | * |
277 | * |
277 | */ |
278 | */ |
278 | void thread_sleep(__u32 sec) |
279 | void thread_sleep(__u32 sec) |
279 | { |
280 | { |
280 | thread_usleep(sec*1000000); |
281 | thread_usleep(sec*1000000); |
281 | } |
282 | } |
282 | 283 | ||
283 | 284 | ||
284 | /** Thread usleep |
285 | /** Thread usleep |
285 | * |
286 | * |
286 | * Suspend execution of the current thread. |
287 | * Suspend execution of the current thread. |
287 | * |
288 | * |
288 | * @param usec Number of microseconds to sleep. |
289 | * @param usec Number of microseconds to sleep. |
289 | * |
290 | * |
290 | */ |
291 | */ |
291 | void thread_usleep(__u32 usec) |
292 | void thread_usleep(__u32 usec) |
292 | { |
293 | { |
293 | waitq_t wq; |
294 | waitq_t wq; |
294 | 295 | ||
295 | waitq_initialize(&wq); |
296 | waitq_initialize(&wq); |
296 | 297 | ||
297 | (void) waitq_sleep_timeout(&wq, usec, SYNCH_NON_BLOCKING); |
298 | (void) waitq_sleep_timeout(&wq, usec, SYNCH_NON_BLOCKING); |
298 | } |
299 | } |
299 | 300 | ||
300 | 301 | ||
301 | /** Register thread out-of-context invocation |
302 | /** Register thread out-of-context invocation |
302 | * |
303 | * |
303 | * Register a function and its argument to be executed |
304 | * Register a function and its argument to be executed |
304 | * on next context switch to the current thread. |
305 | * on next context switch to the current thread. |
305 | * |
306 | * |
306 | * @param call_me Out-of-context function. |
307 | * @param call_me Out-of-context function. |
307 | * @param call_me_with Out-of-context function argument. |
308 | * @param call_me_with Out-of-context function argument. |
308 | * |
309 | * |
309 | */ |
310 | */ |
310 | void thread_register_call_me(void (* call_me)(void *), void *call_me_with) |
311 | void thread_register_call_me(void (* call_me)(void *), void *call_me_with) |
311 | { |
312 | { |
312 | ipl_t ipl; |
313 | ipl_t ipl; |
313 | 314 | ||
314 | ipl = interrupts_disable(); |
315 | ipl = interrupts_disable(); |
315 | spinlock_lock(&THREAD->lock); |
316 | spinlock_lock(&THREAD->lock); |
316 | THREAD->call_me = call_me; |
317 | THREAD->call_me = call_me; |
317 | THREAD->call_me_with = call_me_with; |
318 | THREAD->call_me_with = call_me_with; |
318 | spinlock_unlock(&THREAD->lock); |
319 | spinlock_unlock(&THREAD->lock); |
319 | interrupts_restore(ipl); |
320 | interrupts_restore(ipl); |
320 | } |
321 | } |
- | 322 | ||
- | 323 | /** Print list of threads debug info */ |
|
- | 324 | void thread_print_list(void) |
|
- | 325 | { |
|
- | 326 | link_t *cur; |
|
- | 327 | thread_t *t; |
|
- | 328 | ipl_t ipl; |
|
- | 329 | ||
- | 330 | /* Messing with thread structures, avoid deadlock */ |
|
- | 331 | ipl = interrupts_disable(); |
|
- | 332 | spinlock_lock(&threads_lock); |
|
- | 333 | ||
- | 334 | for (cur=threads_head.next; cur!=&threads_head; cur=cur->next) { |
|
- | 335 | t = list_get_instance(cur, thread_t, threads_link); |
|
- | 336 | printf("Thr: %d(%s) ", t->tid, thread_states[t->state]); |
|
- | 337 | if (t->cpu) |
|
- | 338 | printf("cpu%d ", t->cpu->id); |
|
- | 339 | ||
- | 340 | printf("\n"); |
|
- | 341 | } |
|
- | 342 | ||
- | 343 | spinlock_unlock(&threads_lock); |
|
- | 344 | interrupts_enable(); |
|
- | 345 | } |
|
321 | 346 |