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         .fill_procworkqueue = _fill_procworkqueue,
  21         .get_pwq_state_kdp = _get_pwq_state_kdp,
  22         .workqueue_exit = _workqueue_exit,
  23         .workqueue_mark_exiting = _workqueue_mark_exiting,
  24         .workqueue_thread_yielded = _workqueue_thread_yielded,
  25         .workqueue_get_sched_callback = _workqueue_get_sched_callback,
  26         .pth_proc_hashinit = _pth_proc_hashinit,
  27         .pth_proc_hashdelete = _pth_proc_hashdelete,
  28         .bsdthread_create = _bsdthread_create,
  29         .bsdthread_register = _bsdthread_register,
  30         .bsdthread_terminate = _bsdthread_terminate,
  31         .bsdthread_ctl = _bsdthread_ctl,
  32         .thread_selfid = _thread_selfid,
  33         .workq_kernreturn = _workq_kernreturn,
  34         .workq_open = _workq_open,
  35
  36         .psynch_mutexwait = _psynch_mutexwait,
  37         .psynch_mutexdrop = _psynch_mutexdrop,
  38         .psynch_cvbroad = _psynch_cvbroad,
  39         .psynch_cvsignal = _psynch_cvsignal,
  40         .psynch_cvwait = _psynch_cvwait,
  41         .psynch_cvclrprepost = _psynch_cvclrprepost,
  42         .psynch_rw_longrdlock = _psynch_rw_longrdlock,
  43         .psynch_rw_rdlock = _psynch_rw_rdlock,
  44         .psynch_rw_unlock = _psynch_rw_unlock,
  45         .psynch_rw_wrlock = _psynch_rw_wrlock,
  46         .psynch_rw_yieldwrlock = _psynch_rw_yieldwrlock,
  47
  48         .pthread_find_owner = _pthread_find_owner,
  49         .pthread_get_thread_kwq = _pthread_get_thread_kwq,
  50
  51         .workq_reqthreads = _workq_reqthreads,
  52         .thread_qos_from_pthread_priority = _thread_qos_from_pthread_priority,
  53         .pthread_priority_canonicalize2 = _pthread_priority_canonicalize,
  54 };
  55
  56 kern_return_t pthread_start(__unused kmod_info_t * ki, __unused void *d)
  57 {
  58         pthread_kext_register((pthread_functions_t)&pthread_internal_functions, &pthread_kern);
  59         return KERN_SUCCESS;
  60 }
  61
  62 kern_return_t pthread_stop(__unused kmod_info_t *ki, __unused void *d)
  63 {
  64         return KERN_FAILURE;
  65 }
  66
  67 struct uthread*
  68 current_uthread(void)
  69 {
  70         thread_t th = current_thread();
  71         return pthread_kern->get_bsdthread_info(th);
  72 }