| | 1 | /* |
| | 2 | * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the License |
| | 10 | * may not be used to create, or enable the creation or redistribution of, |
| | 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| | 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| | 13 | * terms of an Apple operating system software license agreement. |
| | 14 | * |
| | 15 | * Please obtain a copy of the License at |
| | 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| | 17 | * |
| | 18 | * The Original Code and all software distributed under the License are |
| | 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 23 | * Please see the License for the specific language governing rights and |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 27 | */ |
| | 28 | |
| | 29 | #include <sys/systm.h> |
| | 30 | #include <sys/proc_internal.h> |
| | 31 | #include <sys/vnode_internal.h> // vn_getpath() |
| | 32 | #include <kern/task.h> |
| | 33 | #include <sys/user.h> |
| | 34 | |
| | 35 | int chudxnu_pid_for_task(task_t task); |
| | 36 | task_t chudxnu_task_for_pid(int pid); |
| | 37 | int chudxnu_current_pid(void); |
| | 38 | |
| | 39 | __private_extern__ int |
| | 40 | chudxnu_pid_for_task(task_t task) |
| | 41 | { |
| | 42 | proc_t p; |
| | 43 | int pid = -1; |
| | 44 | |
| | 45 | if(task!=TASK_NULL) { |
| | 46 | p = (proc_t)(get_bsdtask_info(task)); |
| | 47 | if(p) { |
| | 48 | return (proc_pid(p)); |
| | 49 | } |
| | 50 | } |
| | 51 | return pid; |
| | 52 | } |
| | 53 | |
| | 54 | __private_extern__ task_t |
| | 55 | chudxnu_task_for_pid(int pid) |
| | 56 | { |
| | 57 | task_t t = TASK_NULL; |
| | 58 | proc_t p = proc_find(pid); |
| | 59 | if(p) { |
| | 60 | t = p->task; |
| | 61 | proc_rele(p); |
| | 62 | } |
| | 63 | return (t); |
| | 64 | } |
| | 65 | |
| | 66 | __private_extern__ int |
| | 67 | chudxnu_current_pid(void) |
| | 68 | { |
| | 69 | int pid = -1; |
| | 70 | struct uthread *ut = get_bsdthread_info(current_thread()); |
| | 71 | task_t t = current_task(); |
| | 72 | |
| | 73 | if(t != TASK_NULL) { |
| | 74 | pid = chudxnu_pid_for_task(t); |
| | 75 | } |
| | 76 | if(-1 == pid) { |
| | 77 | // no task, so try looking in the uthread and/or proc |
| | 78 | pid = proc_pid(current_proc()); |
| | 79 | |
| | 80 | if(-1 == pid && ut && ut->uu_proc) { |
| | 81 | pid = proc_pid(ut->uu_proc); |
| | 82 | } |
| | 83 | } |
| | 84 | |
| | 85 | return pid; |
| | 86 | } |
projects / apple / xnu.git / blame_incremental