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Diffstat (limited to 'contrib/libobjc/objc/thr.h')
-rw-r--r-- | contrib/libobjc/objc/thr.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/contrib/libobjc/objc/thr.h b/contrib/libobjc/objc/thr.h deleted file mode 100644 index f904733695a8..000000000000 --- a/contrib/libobjc/objc/thr.h +++ /dev/null @@ -1,143 +0,0 @@ -/* Thread and mutex controls for Objective C. - Copyright (C) 1996, 1997 Free Software Foundation, Inc. - Contributed by Galen C. Hunt (gchunt@cs.rochester.edu) - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -GNU CC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 2, or (at your option) any later version. - -GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -You should have received a copy of the GNU General Public License along with -GNU CC; see the file COPYING. If not, write to the Free Software -Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* As a special exception, if you link this library with files - compiled with GCC to produce an executable, this does not cause - the resulting executable to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. */ - - -#ifndef __thread_INCLUDE_GNU -#define __thread_INCLUDE_GNU - -#include "objc/objc.h" - -/************************************************************************* - * Universal static variables: - */ -extern int __objc_thread_exit_status; /* Global exit status. */ - -/******** - * Thread safe implementation types and functions. - */ - -/* Thread priorities */ -#define OBJC_THREAD_INTERACTIVE_PRIORITY 2 -#define OBJC_THREAD_BACKGROUND_PRIORITY 1 -#define OBJC_THREAD_LOW_PRIORITY 0 - -/* A thread */ -typedef void * objc_thread_t; - -/* This structure represents a single mutual exclusion lock. */ -struct objc_mutex -{ - volatile objc_thread_t owner; /* Id of thread that owns. */ - volatile int depth; /* # of acquires. */ - void * backend; /* Specific to backend */ -}; -typedef struct objc_mutex *objc_mutex_t; - -/* This structure represents a single condition mutex */ -struct objc_condition -{ - void * backend; /* Specific to backend */ -}; -typedef struct objc_condition *objc_condition_t; - -/* Frontend mutex functions */ -objc_mutex_t objc_mutex_allocate(void); -int objc_mutex_deallocate(objc_mutex_t mutex); -int objc_mutex_lock(objc_mutex_t mutex); -int objc_mutex_unlock(objc_mutex_t mutex); -int objc_mutex_trylock(objc_mutex_t mutex); - -/* Frontend condition mutex functions */ -objc_condition_t objc_condition_allocate(void); -int objc_condition_deallocate(objc_condition_t condition); -int objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex); -int objc_condition_signal(objc_condition_t condition); -int objc_condition_broadcast(objc_condition_t condition); - -/* Frontend thread functions */ -objc_thread_t objc_thread_detach(SEL selector, id object, id argument); -void objc_thread_yield(void); -int objc_thread_exit(void); -int objc_thread_set_priority(int priority); -int objc_thread_get_priority(void); -void * objc_thread_get_data(void); -int objc_thread_set_data(void *value); -objc_thread_t objc_thread_id(void); - -/* - Use this to set the hook function that will be called when the - runtime initially becomes multi threaded. - The hook function is only called once, meaning only when the - 2nd thread is spawned, not for each and every thread. - - It returns the previous hook function or NULL if there is none. - - A program outside of the runtime could set this to some function so - it can be informed; for example, the GNUstep Base Library sets it - so it can implement the NSBecomingMultiThreaded notification. - */ -typedef void (*objc_thread_callback)(); -objc_thread_callback objc_set_thread_callback(objc_thread_callback func); - -/* Backend initialization functions */ -int __objc_init_thread_system(void); -int __objc_fini_thread_system(void); - -/* Backend mutex functions */ -int __objc_mutex_allocate(objc_mutex_t mutex); -int __objc_mutex_deallocate(objc_mutex_t mutex); -int __objc_mutex_lock(objc_mutex_t mutex); -int __objc_mutex_trylock(objc_mutex_t mutex); -int __objc_mutex_unlock(objc_mutex_t mutex); - -/* Backend condition mutex functions */ -int __objc_condition_allocate(objc_condition_t condition); -int __objc_condition_deallocate(objc_condition_t condition); -int __objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex); -int __objc_condition_broadcast(objc_condition_t condition); -int __objc_condition_signal(objc_condition_t condition); - -/* Backend thread functions */ -objc_thread_t __objc_thread_detach(void (*func)(void *arg), void *arg); -int __objc_thread_set_priority(int priority); -int __objc_thread_get_priority(void); -void __objc_thread_yield(void); -int __objc_thread_exit(void); -objc_thread_t __objc_thread_id(void); -int __objc_thread_set_data(void *value); -void * __objc_thread_get_data(void); - -#endif /* not __thread_INCLUDE_GNU */ |