sysdeps/mach/htl/pt-wakeup.c

   1 /* Wakeup a thread.  Mach version.
   2    Copyright (C) 2000-2018 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    <http://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 }