X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..2d21ac55c334faf3a56e5634905ed6987fc787d4:/osfmk/ddb/db_task_thread.c diff --git a/osfmk/ddb/db_task_thread.c b/osfmk/ddb/db_task_thread.c index e38013746..7e7420c14 100644 --- a/osfmk/ddb/db_task_thread.c +++ b/osfmk/ddb/db_task_thread.c @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2007 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ @@ -69,8 +75,8 @@ #define DB_MAX_THREADID 0x10000 /* max # of threads in a task */ #define DB_MAX_PSETS 0x10000 /* max # of processor sets */ -task_t db_default_task; /* default target task */ -thread_act_t db_default_act; /* default target thr_act */ +task_t db_default_task = TASK_NULL; /* default target task */ +thread_t db_default_act = THREAD_NULL; /* default target thr_act */ @@ -78,7 +84,7 @@ thread_act_t db_default_act; /* default target thr_act */ */ task_t db_lookup_task_id(register int task_id); -static thread_act_t db_lookup_act_id( +static thread_t db_lookup_act_id( task_t task, register int thread_id); @@ -92,15 +98,11 @@ db_lookup_task(task_t target_task) { register task_t task; register int task_id; - register processor_set_t pset = &default_pset; - register int npset = 0; task_id = 0; - if (npset++ >= DB_MAX_PSETS) - return(-1); - if (queue_first(&pset->tasks) == 0) + if (queue_first(&tasks) == 0) return(-1); - queue_iterate(&pset->tasks, task, task_t, pset_tasks) { + queue_iterate(&tasks, task, task_t, tasks) { if (target_task == task) return(task_id); if (task_id++ >= DB_MAX_TASKID) @@ -115,15 +117,15 @@ db_lookup_task(task_t target_task) int db_lookup_task_act( task_t task, - thread_act_t target_act) + thread_t target_act) { - register thread_act_t thr_act; + register thread_t thr_act; register int act_id; act_id = 0; if (queue_first(&task->threads) == 0) return(-1); - queue_iterate(&task->threads, thr_act, thread_act_t, task_threads) { + queue_iterate(&task->threads, thr_act, thread_t, task_threads) { if (target_act == thr_act) return(act_id); if (act_id++ >= DB_MAX_THREADID) @@ -137,19 +139,15 @@ db_lookup_task_act( * as the thread id. */ int -db_lookup_act(thread_act_t target_act) +db_lookup_act(thread_t target_act) { register int act_id; register task_t task; - register processor_set_t pset = &default_pset; register int ntask = 0; - register int npset = 0; - if (npset++ >= DB_MAX_PSETS) + if (queue_first(&tasks) == 0) return(-1); - if (queue_first(&pset->tasks) == 0) - return(-1); - queue_iterate(&pset->tasks, task, task_t, pset_tasks) { + queue_iterate(&tasks, task, task_t, tasks) { if (ntask++ > DB_MAX_TASKID) return(-1); if (task->thread_count == 0) @@ -166,7 +164,7 @@ db_lookup_act(thread_act_t target_act) */ int force_act_lookup = 0; boolean_t -db_check_act_address_valid(thread_act_t thr_act) +db_check_act_address_valid(thread_t thr_act) { if (!force_act_lookup && db_lookup_act(thr_act) < 0) { db_printf("Bad thr_act address 0x%x\n", thr_act); @@ -180,19 +178,15 @@ db_check_act_address_valid(thread_act_t thr_act) * convert task_id(queue postion) to task address */ task_t -db_lookup_task_id(register task_id) +db_lookup_task_id(int task_id) { register task_t task; - register processor_set_t pset = &default_pset; - register int npset = 0; if (task_id > DB_MAX_TASKID) return(TASK_NULL); - if (npset++ >= DB_MAX_PSETS) - return(TASK_NULL); - if (queue_first(&pset->tasks) == 0) + if (queue_first(&tasks) == 0) return(TASK_NULL); - queue_iterate(&pset->tasks, task, task_t, pset_tasks) { + queue_iterate(&tasks, task, task_t, tasks) { if (task_id-- <= 0) return(task); } @@ -202,23 +196,23 @@ db_lookup_task_id(register task_id) /* * convert (task_id, act_id) pair to thr_act address */ -static thread_act_t +static thread_t db_lookup_act_id( task_t task, register int act_id) { - register thread_act_t thr_act; + register thread_t thr_act; if (act_id > DB_MAX_THREADID) - return(THR_ACT_NULL); + return(THREAD_NULL); if (queue_first(&task->threads) == 0) - return(THR_ACT_NULL); - queue_iterate(&task->threads, thr_act, thread_act_t, task_threads) { + return(THREAD_NULL); + queue_iterate(&task->threads, thr_act, thread_t, task_threads) { if (act_id-- <= 0) return(thr_act); } - return(THR_ACT_NULL); + return(THREAD_NULL); } /* @@ -227,15 +221,15 @@ db_lookup_act_id( */ boolean_t db_get_next_act( - thread_act_t *actp, + thread_t *actp, int position) { db_expr_t value; - thread_act_t thr_act; + thread_t thr_act; - *actp = THR_ACT_NULL; + *actp = THREAD_NULL; if (db_expression(&value)) { - thr_act = (thread_act_t) value; + thr_act = (thread_t)(unsigned long)value; if (!db_check_act_address_valid(thr_act)) { db_flush_lex(); return(FALSE); @@ -256,7 +250,7 @@ void db_init_default_act(void) { if (db_lookup_act(db_default_act) < 0) { - db_default_act = THR_ACT_NULL; + db_default_act = THREAD_NULL; db_default_task = TASK_NULL; } else db_default_task = db_default_act->task; @@ -267,13 +261,10 @@ db_init_default_act(void) * in the command line */ int -db_set_default_act( - struct db_variable *vp, - db_expr_t *valuep, - int flag, - db_var_aux_param_t ap) /* unused */ +db_set_default_act(__unused struct db_variable *vp, db_expr_t *valuep, + int flag, __unused db_var_aux_param_t ap) { - thread_act_t thr_act; + thread_t thr_act; int task_id; int act_id; @@ -290,11 +281,11 @@ db_set_default_act( } if (flag != DB_VAR_SET) { - *valuep = (db_expr_t) db_default_act; + *valuep = (db_expr_t)(unsigned long)db_default_act; return(0); } - thr_act = (thread_act_t) *valuep; - if (thr_act != THR_ACT_NULL && !db_check_act_address_valid(thr_act)) + thr_act = (thread_t)(unsigned long)*valuep; + if (thr_act != THREAD_NULL && !db_check_act_address_valid(thr_act)) db_error(0); /* NOTREACHED */ db_default_act = thr_act; @@ -307,14 +298,11 @@ db_set_default_act( * convert $taskXXX[.YYY] type DDB variable to task or thread address */ int -db_get_task_act( - struct db_variable *vp, - db_expr_t *valuep, - int flag, - db_var_aux_param_t ap) +db_get_task_act(__unused struct db_variable *vp, db_expr_t *valuep, int flag, + db_var_aux_param_t ap) { task_t task; - thread_act_t thr_act; + thread_t thr_act; int task_id; if (flag == DB_VAR_SHOW) { @@ -335,15 +323,15 @@ db_get_task_act( /* NOTREACHED */ } if (ap->level <= 1) { - *valuep = (db_expr_t) task; + *valuep = (db_expr_t)(unsigned long)task; return(0); } - if ((thr_act = db_lookup_act_id(task, ap->suffix[1])) == THR_ACT_NULL){ + if ((thr_act = db_lookup_act_id(task, ap->suffix[1])) == THREAD_NULL){ db_printf("no such thr_act($task%d.%d)\n", ap->suffix[0], ap->suffix[1]); db_error(0); /* NOTREACHED */ } - *valuep = (db_expr_t) thr_act; + *valuep = (db_expr_t)(unsigned long)thr_act; return(0); }