WebSVN – HelenOS-historic – Diff – /kernel/trunk/generic/src/proc/task.c


/*
 * 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.
 */
 
/**
 * @file    task.c
 * @brief   Task management.
 */
 
#include <main/uinit.h>
#include <proc/thread.h>
#include <proc/task.h>
#include <proc/uarg.h>
#include <mm/as.h>
#include <mm/slab.h>
#include <synch/spinlock.h>
#include <arch.h>
#include <panic.h>
#include <adt/btree.h>
#include <adt/list.h>
#include <ipc/ipc.h>
#include <security/cap.h>
#include <memstr.h>
#include <print.h>
#include <elf.h>
#include <syscall/copy.h>
 
#ifndef LOADED_PROG_STACK_PAGES_NO
#define LOADED_PROG_STACK_PAGES_NO 1
#endif
 
SPINLOCK_INITIALIZE(tasks_lock);
btree_t tasks_btree;
static task_id_t task_counter = 0;
 
/** Initialize tasks
 *
 * Initialize kernel tasks support.
 *
 */
void task_init(void)
{
    TASK = NULL;
    btree_create(&tasks_btree);
}
 
 
/** Create new task
 *
 * Create new task with no threads.
 *
 * @param as Task's address space.
 * @param name Symbolic name.
 *
 * @return New task's structure
 *
 */
task_t *task_create(as_t *as, char *name)
{
    ipl_t ipl;
    task_t *ta;
    int i;
   
    ta = (task_t *) malloc(sizeof(task_t), 0);
 
    task_create_arch(ta);
 
    spinlock_initialize(&ta->lock, "task_ta_lock");
    list_initialize(&ta->th_head);
    ta->as = as;
    ta->name = name;
 
    ta->capabilities = 0;
   
    ipc_answerbox_init(&ta->answerbox);
    for (i=0; i < IPC_MAX_PHONES;i++)
        ipc_phone_init(&ta->phones[i]);
    if (ipc_phone_0)
        ipc_phone_connect(&ta->phones[0], ipc_phone_0);
    atomic_set(&ta->active_calls, 0);
 
    mutex_initialize(&ta->futexes_lock);
    btree_create(&ta->futexes);
   
    ipl = interrupts_disable();
 
    /*
     * Increment address space reference count.
     * TODO: Reconsider the locking scheme.
     */
    mutex_lock(&as->lock);
    as->refcount++;
    mutex_unlock(&as->lock);
 
    spinlock_lock(&tasks_lock);
 
    ta->taskid = ++task_counter;
    btree_insert(&tasks_btree, (btree_key_t) ta->taskid, (void *) ta, NULL);
 
    spinlock_unlock(&tasks_lock);
    interrupts_restore(ipl);
 
    return ta;
}
 
/** Create new task with 1 thread and run it
 *
 * @param program_addr Address of program executable image.
 * @param name Program name.
 *
 * @return Task of the running program or NULL on error.
 */
task_t * task_run_program(void *program_addr, char *name)
{
    as_t *as;
    as_area_t *a;
    int rc;
    thread_t *t;
    task_t *task;
    uspace_arg_t *kernel_uarg;
 
    as = as_create(0);
    ASSERT(as);
 
    rc = elf_load((elf_header_t *) program_addr, as);
    if (rc != EE_OK) {
        as_destroy(as);
        return NULL;
    }
   
    kernel_uarg = (uspace_arg_t *) malloc(sizeof(uspace_arg_t), 0);
    kernel_uarg->uspace_entry = (void *) ((elf_header_t *) program_addr)->e_entry;
    kernel_uarg->uspace_stack = (void *) USTACK_ADDRESS;
    kernel_uarg->uspace_thread_function = NULL;
    kernel_uarg->uspace_thread_arg = NULL;
    kernel_uarg->uspace_uarg = NULL;
   
    task = task_create(as, name);
    ASSERT(task);
 
    /*
     * Create the data as_area.
     */
    a = as_area_create(as, AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE,
        LOADED_PROG_STACK_PAGES_NO*PAGE_SIZE,
        USTACK_ADDRESS, AS_AREA_ATTR_NONE, &anon_backend, NULL);
 
    t = thread_create(uinit, kernel_uarg, task, 0, "uinit");
    ASSERT(t);
    thread_ready(t);
   
    return task;
}
 
/** Syscall for reading task ID from userspace.
 *
 * @param uspace_task_id Userspace address of 8-byte buffer where to store current task ID.
 *
 * @return 0 on success or an error code from @ref errno.h.
 */
__native sys_task_get_id(task_id_t *uspace_task_id)
{
    /*
     * No need to acquire lock on TASK because taskid
     * remains constant for the lifespan of the task.
     */
    return (__native) copy_to_uspace(uspace_task_id, &TASK->taskid, sizeof(TASK->taskid));
}
 
/** Find task structure corresponding to task ID.
 *
 * The tasks_lock must be already held by the caller of this function
 * and interrupts must be disabled.
 *
 * @param id Task ID.
 *
 * @return Task structure address or NULL if there is no such task ID.
 */
task_t *task_find_by_id(task_id_t id)
{
    btree_node_t *leaf;
   
    return (task_t *) btree_search(&tasks_btree, (btree_key_t) id, &leaf);
}
 
/** Print task list */
void task_print_list(void)
{
    link_t *cur;
    ipl_t ipl;
   
    /* Messing with thread structures, avoid deadlock */
    ipl = interrupts_disable();
    spinlock_lock(&tasks_lock);
 
    for (cur = tasks_btree.leaf_head.next; cur != &tasks_btree.leaf_head; cur = cur->next) {
        btree_node_t *node;
        int i;
       
        node = list_get_instance(cur, btree_node_t, leaf_link);
        for (i = 0; i < node->keys; i++) {
            task_t *t;
            int j;
 
            t = (task_t *) node->value[i];
       
            spinlock_lock(&t->lock);
            printf("%s: address=%#zX, taskid=%#llX, as=%#zX, ActiveCalls: %zd",
                t->name, t, t->taskid, t->as, atomic_get(&t->active_calls));
            for (j=0; j < IPC_MAX_PHONES; j++) {
                if (t->phones[j].callee)
                    printf(" Ph(%zd): %#zX ", j, t->phones[j].callee);
            }
            printf("\n");
            spinlock_unlock(&t->lock);
        }
    }
 
    spinlock_unlock(&tasks_lock);
    interrupts_restore(ipl);
}
 

Rev 1460	Rev 1468
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	/**	29	/**
30	* @file task.c	30	* @file task.c
31	* @brief Task management.	31	* @brief Task management.
32	*/	32	*/
33		33
34	#include <main/uinit.h>	34	#include <main/uinit.h>
35	#include <proc/thread.h>	35	#include <proc/thread.h>
36	#include <proc/task.h>	36	#include <proc/task.h>
37	#include <proc/uarg.h>	37	#include <proc/uarg.h>
38	#include <mm/as.h>	38	#include <mm/as.h>
39	#include <mm/slab.h>	39	#include <mm/slab.h>
40	#include <synch/spinlock.h>	40	#include <synch/spinlock.h>
41	#include <arch.h>	41	#include <arch.h>
42	#include <panic.h>	42	#include <panic.h>
43	#include <adt/btree.h>	43	#include <adt/btree.h>
44	#include <adt/list.h>	44	#include <adt/list.h>
45	#include <ipc/ipc.h>	45	#include <ipc/ipc.h>
46	#include <security/cap.h>	46	#include <security/cap.h>
47	#include <memstr.h>	47	#include <memstr.h>
48	#include <print.h>	48	#include <print.h>
49	#include <elf.h>	49	#include <elf.h>
50	#include <syscall/copy.h>	50	#include <syscall/copy.h>
51		51
52	#ifndef LOADED_PROG_STACK_PAGES_NO	52	#ifndef LOADED_PROG_STACK_PAGES_NO
53	#define LOADED_PROG_STACK_PAGES_NO 1	53	#define LOADED_PROG_STACK_PAGES_NO 1
54	#endif	54	#endif
55		55
56	SPINLOCK_INITIALIZE(tasks_lock);	56	SPINLOCK_INITIALIZE(tasks_lock);
57	btree_t tasks_btree;	57	btree_t tasks_btree;
58	static task_id_t task_counter = 0;	58	static task_id_t task_counter = 0;
59		59
60	/** Initialize tasks	60	/** Initialize tasks
61	*	61	*
62	* Initialize kernel tasks support.	62	* Initialize kernel tasks support.
63	*	63	*
64	*/	64	*/
65	void task_init(void)	65	void task_init(void)
66	{	66	{
67	TASK = NULL;	67	TASK = NULL;
68	btree_create(&tasks_btree);	68	btree_create(&tasks_btree);
69	}	69	}
70		70
71		71
72	/** Create new task	72	/** Create new task
73	*	73	*
74	* Create new task with no threads.	74	* Create new task with no threads.
75	*	75	*
76	* @param as Task's address space.	76	* @param as Task's address space.
77	* @param name Symbolic name.	77	* @param name Symbolic name.
78	*	78	*
79	* @return New task's structure	79	* @return New task's structure
80	*	80	*
81	*/	81	*/
82	task_t task_create(as_t as, char *name)	82	task_t task_create(as_t as, char *name)
83	{	83	{
84	ipl_t ipl;	84	ipl_t ipl;
85	task_t *ta;	85	task_t *ta;
86	int i;	86	int i;
87		87
88	ta = (task_t *) malloc(sizeof(task_t), 0);	88	ta = (task_t *) malloc(sizeof(task_t), 0);
89		89
90	task_create_arch(ta);	90	task_create_arch(ta);
91		91
92	spinlock_initialize(&ta->lock, "task_ta_lock");	92	spinlock_initialize(&ta->lock, "task_ta_lock");
93	list_initialize(&ta->th_head);	93	list_initialize(&ta->th_head);
94	ta->as = as;	94	ta->as = as;
95	ta->name = name;	95	ta->name = name;
96		96
97	ta->capabilities = 0;	97	ta->capabilities = 0;
98		98
99	ipc_answerbox_init(&ta->answerbox);	99	ipc_answerbox_init(&ta->answerbox);
100	for (i=0; i < IPC_MAX_PHONES;i++)	100	for (i=0; i < IPC_MAX_PHONES;i++)
101	ipc_phone_init(&ta->phones[i]);	101	ipc_phone_init(&ta->phones[i]);
102	if (ipc_phone_0)	102	if (ipc_phone_0)
103	ipc_phone_connect(&ta->phones[0], ipc_phone_0);	103	ipc_phone_connect(&ta->phones[0], ipc_phone_0);
104	atomic_set(&ta->active_calls, 0);	104	atomic_set(&ta->active_calls, 0);
105		105
106	mutex_initialize(&ta->futexes_lock);	106	mutex_initialize(&ta->futexes_lock);
107	btree_create(&ta->futexes);	107	btree_create(&ta->futexes);
108		108
109	ipl = interrupts_disable();	109	ipl = interrupts_disable();
-		110
-		111	/*
-		112	* Increment address space reference count.
-		113	* TODO: Reconsider the locking scheme.
-		114	*/
-		115	mutex_lock(&as->lock);
-		116	as->refcount++;
-		117	mutex_unlock(&as->lock);
-		118
110	spinlock_lock(&tasks_lock);	119	spinlock_lock(&tasks_lock);
111		120
112	ta->taskid = ++task_counter;	121	ta->taskid = ++task_counter;
113	btree_insert(&tasks_btree, (btree_key_t) ta->taskid, (void *) ta, NULL);	122	btree_insert(&tasks_btree, (btree_key_t) ta->taskid, (void *) ta, NULL);
114		123
115	spinlock_unlock(&tasks_lock);	124	spinlock_unlock(&tasks_lock);
116	interrupts_restore(ipl);	125	interrupts_restore(ipl);
117		126
118	return ta;	127	return ta;
119	}	128	}
120		129
121	/** Create new task with 1 thread and run it	130	/** Create new task with 1 thread and run it
122	*	131	*
123	* @param program_addr Address of program executable image.	132	* @param program_addr Address of program executable image.
124	* @param name Program name.	133	* @param name Program name.
125	*	134	*
126	* @return Task of the running program or NULL on error.	135	* @return Task of the running program or NULL on error.
127	*/	136	*/
128	task_t * task_run_program(void program_addr, char name)	137	task_t * task_run_program(void program_addr, char name)
129	{	138	{
130	as_t *as;	139	as_t *as;
131	as_area_t *a;	140	as_area_t *a;
132	int rc;	141	int rc;
133	thread_t *t;	142	thread_t *t;
134	task_t *task;	143	task_t *task;
135	uspace_arg_t *kernel_uarg;	144	uspace_arg_t *kernel_uarg;
136		145
137	as = as_create(0);	146	as = as_create(0);
138	ASSERT(as);	147	ASSERT(as);
139		148
140	rc = elf_load((elf_header_t *) program_addr, as);	149	rc = elf_load((elf_header_t *) program_addr, as);
141	if (rc != EE_OK) {	150	if (rc != EE_OK) {
142	as_free(as);	151	as_destroy(as);
143	return NULL;	152	return NULL;
144	}	153	}
145		154
146	kernel_uarg = (uspace_arg_t *) malloc(sizeof(uspace_arg_t), 0);	155	kernel_uarg = (uspace_arg_t *) malloc(sizeof(uspace_arg_t), 0);
147	kernel_uarg->uspace_entry = (void ) ((elf_header_t ) program_addr)->e_entry;	156	kernel_uarg->uspace_entry = (void ) ((elf_header_t ) program_addr)->e_entry;
148	kernel_uarg->uspace_stack = (void *) USTACK_ADDRESS;	157	kernel_uarg->uspace_stack = (void *) USTACK_ADDRESS;
149	kernel_uarg->uspace_thread_function = NULL;	158	kernel_uarg->uspace_thread_function = NULL;
150	kernel_uarg->uspace_thread_arg = NULL;	159	kernel_uarg->uspace_thread_arg = NULL;
151	kernel_uarg->uspace_uarg = NULL;	160	kernel_uarg->uspace_uarg = NULL;
152		161
153	task = task_create(as, name);	162	task = task_create(as, name);
154	ASSERT(task);	163	ASSERT(task);
155		164
156	/*	165	/*
157	* Create the data as_area.	166	* Create the data as_area.
158	*/	167	*/
159	a = as_area_create(as, AS_AREA_READ \| AS_AREA_WRITE \| AS_AREA_CACHEABLE,	168	a = as_area_create(as, AS_AREA_READ \| AS_AREA_WRITE \| AS_AREA_CACHEABLE,
160	LOADED_PROG_STACK_PAGES_NO*PAGE_SIZE,	169	LOADED_PROG_STACK_PAGES_NO*PAGE_SIZE,
161	USTACK_ADDRESS, AS_AREA_ATTR_NONE, &anon_backend, NULL);	170	USTACK_ADDRESS, AS_AREA_ATTR_NONE, &anon_backend, NULL);
162		171
163	t = thread_create(uinit, kernel_uarg, task, 0, "uinit");	172	t = thread_create(uinit, kernel_uarg, task, 0, "uinit");
164	ASSERT(t);	173	ASSERT(t);
165	thread_ready(t);	174	thread_ready(t);
166		175
167	return task;	176	return task;
168	}	177	}
169		178
170	/** Syscall for reading task ID from userspace.	179	/** Syscall for reading task ID from userspace.
171	*	180	*
172	* @param uspace_task_id Userspace address of 8-byte buffer where to store current task ID.	181	* @param uspace_task_id Userspace address of 8-byte buffer where to store current task ID.
173	*	182	*
174	* @return 0 on success or an error code from @ref errno.h.	183	* @return 0 on success or an error code from @ref errno.h.
175	*/	184	*/
176	__native sys_task_get_id(task_id_t *uspace_task_id)	185	__native sys_task_get_id(task_id_t *uspace_task_id)
177	{	186	{
178	/*	187	/*
179	* No need to acquire lock on TASK because taskid	188	* No need to acquire lock on TASK because taskid
180	* remains constant for the lifespan of the task.	189	* remains constant for the lifespan of the task.
181	*/	190	*/
182	return (__native) copy_to_uspace(uspace_task_id, &TASK->taskid, sizeof(TASK->taskid));	191	return (__native) copy_to_uspace(uspace_task_id, &TASK->taskid, sizeof(TASK->taskid));
183	}	192	}
184		193
185	/** Find task structure corresponding to task ID.	194	/** Find task structure corresponding to task ID.
186	*	195	*
187	* The tasks_lock must be already held by the caller of this function	196	* The tasks_lock must be already held by the caller of this function
188	* and interrupts must be disabled.	197	* and interrupts must be disabled.
189	*	198	*
190	* @param id Task ID.	199	* @param id Task ID.
191	*	200	*
192	* @return Task structure address or NULL if there is no such task ID.	201	* @return Task structure address or NULL if there is no such task ID.
193	*/	202	*/
194	task_t *task_find_by_id(task_id_t id)	203	task_t *task_find_by_id(task_id_t id)
195	{	204	{
196	btree_node_t *leaf;	205	btree_node_t *leaf;
197		206
198	return (task_t *) btree_search(&tasks_btree, (btree_key_t) id, &leaf);	207	return (task_t *) btree_search(&tasks_btree, (btree_key_t) id, &leaf);
199	}	208	}
200		209
201	/** Print task list */	210	/** Print task list */
202	void task_print_list(void)	211	void task_print_list(void)
203	{	212	{
204	link_t *cur;	213	link_t *cur;
205	ipl_t ipl;	214	ipl_t ipl;
206		215
207	/* Messing with thread structures, avoid deadlock */	216	/* Messing with thread structures, avoid deadlock */
208	ipl = interrupts_disable();	217	ipl = interrupts_disable();
209	spinlock_lock(&tasks_lock);	218	spinlock_lock(&tasks_lock);
210		219
211	for (cur = tasks_btree.leaf_head.next; cur != &tasks_btree.leaf_head; cur = cur->next) {	220	for (cur = tasks_btree.leaf_head.next; cur != &tasks_btree.leaf_head; cur = cur->next) {
212	btree_node_t *node;	221	btree_node_t *node;
213	int i;	222	int i;
214		223
215	node = list_get_instance(cur, btree_node_t, leaf_link);	224	node = list_get_instance(cur, btree_node_t, leaf_link);
216	for (i = 0; i < node->keys; i++) {	225	for (i = 0; i < node->keys; i++) {
217	task_t *t;	226	task_t *t;
218	int j;	227	int j;
219		228
220	t = (task_t *) node->value[i];	229	t = (task_t *) node->value[i];
221		230
222	spinlock_lock(&t->lock);	231	spinlock_lock(&t->lock);
223	printf("%s: address=%#zX, taskid=%#llX, as=%#zX, ActiveCalls: %zd",	232	printf("%s: address=%#zX, taskid=%#llX, as=%#zX, ActiveCalls: %zd",
224	t->name, t, t->taskid, t->as, atomic_get(&t->active_calls));	233	t->name, t, t->taskid, t->as, atomic_get(&t->active_calls));
225	for (j=0; j < IPC_MAX_PHONES; j++) {	234	for (j=0; j < IPC_MAX_PHONES; j++) {
226	if (t->phones[j].callee)	235	if (t->phones[j].callee)
227	printf(" Ph(%zd): %#zX ", j, t->phones[j].callee);	236	printf(" Ph(%zd): %#zX ", j, t->phones[j].callee);
228	}	237	}
229	printf("\n");	238	printf("\n");
230	spinlock_unlock(&t->lock);	239	spinlock_unlock(&t->lock);
231	}	240	}
232	}	241	}
233		242
234	spinlock_unlock(&tasks_lock);	243	spinlock_unlock(&tasks_lock);
235	interrupts_restore(ipl);	244	interrupts_restore(ipl);
236	}	245	}
237		246

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/src/proc/task.c – Rev 1460 → 1468