1  /* Wakeup a thread.  Mach version.
       2     Copyright (C) 2000-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library;  if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <assert.h>
      20  #include <errno.h>
      21  
      22  #include <mach.h>
      23  #include <mach/message.h>
      24  
      25  #include <pt-internal.h>
      26  
      27  /* Wakeup THREAD.  */
      28  void
      29  __pthread_wakeup (struct __pthread *thread)
      30  {
      31    error_t err;
      32  
      33    err = __mach_msg (&thread->wakeupmsg, MACH_SEND_MSG | MACH_SEND_TIMEOUT,
      34  		    sizeof (thread->wakeupmsg), 0, MACH_PORT_NULL,
      35  		    0, MACH_PORT_NULL);
      36    assert_perror (err);
      37  }