src/system/libroot/posix/pthread/pthread_cleanup.cpp

   1 /*
   2  * Copyright 2008, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "pthread_private.h"
   8
   9
  10 void
  11 __pthread_cleanup_push_handler(__pthread_cleanup_handler* handler)
  12 {
  13         pthread_thread* thread = pthread_self();
  14         if (thread == NULL)
  15                 return;
  16
  17         handler->previous = thread->cleanup_handlers;
  18         thread->cleanup_handlers = handler;
  19 }
  20
  21
  22 __pthread_cleanup_handler*
  23 __pthread_cleanup_pop_handler(void)
  24 {
  25         pthread_thread* thread = pthread_self();
  26         if (thread == NULL)
  27                 return NULL;
  28
  29         __pthread_cleanup_handler* handler = thread->cleanup_handlers;
  30         if (handler == NULL)
  31                 return NULL;
  32
  33         thread->cleanup_handlers = handler->previous;
  34         return handler;
  35 }
  36