kern/kern_init.c

   1 //
   2 //  pthread.c
   3 //  pthread
   4 //
   5 //  Created by Matt Wright on 9/13/12.
   6 //  Copyright (c) 2012 Matt Wright. All rights reserved.
   7 //
   8
   9 #include <kern/thread.h>
  10 #include <kern/debug.h>
  11 #include "kern_internal.h"
  12
  13 kern_return_t pthread_start(kmod_info_t * ki, void *d);
  14 kern_return_t pthread_stop(kmod_info_t *ki, void *d);
  15
  16 pthread_callbacks_t pthread_kern;
  17
  18 const struct pthread_functions_s pthread_internal_functions = {
  19         .pthread_init = _pthread_init,
  20         .pth_proc_hashinit = _pth_proc_hashinit,
  21         .pth_proc_hashdelete = _pth_proc_hashdelete,
  22         .bsdthread_create = _bsdthread_create,
  23         .bsdthread_register = _bsdthread_register,
  24         .bsdthread_terminate = _bsdthread_terminate,
  25         .thread_selfid = _thread_selfid,
  26
  27         .psynch_mutexwait = _psynch_mutexwait,
  28         .psynch_mutexdrop = _psynch_mutexdrop,
  29         .psynch_cvbroad = _psynch_cvbroad,
  30         .psynch_cvsignal = _psynch_cvsignal,
  31         .psynch_cvwait = _psynch_cvwait,
  32         .psynch_cvclrprepost = _psynch_cvclrprepost,
  33         .psynch_rw_longrdlock = _psynch_rw_longrdlock,
  34         .psynch_rw_rdlock = _psynch_rw_rdlock,
  35         .psynch_rw_unlock = _psynch_rw_unlock,
  36         .psynch_rw_wrlock = _psynch_rw_wrlock,
  37         .psynch_rw_yieldwrlock = _psynch_rw_yieldwrlock,
  38
  39         .pthread_find_owner = _pthread_find_owner,
  40         .pthread_get_thread_kwq = _pthread_get_thread_kwq,
  41
  42         .workq_create_threadstack = workq_create_threadstack,
  43         .workq_destroy_threadstack = workq_destroy_threadstack,
  44         .workq_setup_thread = workq_setup_thread,
  45         .workq_handle_stack_events = workq_handle_stack_events,
  46         .workq_markfree_threadstack = workq_markfree_threadstack,
  47 };
  48
  49 kern_return_t pthread_start(__unused kmod_info_t * ki, __unused void *d)
  50 {
  51         pthread_kext_register((pthread_functions_t)&pthread_internal_functions, &pthread_kern);
  52         return KERN_SUCCESS;
  53 }
  54
  55 kern_return_t pthread_stop(__unused kmod_info_t *ki, __unused void *d)
  56 {
  57         return KERN_FAILURE;
  58 }
  59
  60 struct uthread*
  61 current_uthread(void)
  62 {
  63         thread_t th = current_thread();
  64         return pthread_kern->get_bsdthread_info(th);
  65 }