/* MIPS SDE threads compatibility routines for libgcc2 and libobjc. */
|
/* MIPS SDE threads compatibility routines for libgcc2 and libobjc. */
|
/* Compile this one with gcc. */
|
/* Compile this one with gcc. */
|
/* Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
|
/* Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
|
Contributed by Nigel Stephens <nigel@mips.com>
|
Contributed by Nigel Stephens <nigel@mips.com>
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify it under
|
GCC 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
|
the terms of the GNU General Public License as published by the Free
|
Software Foundation; either version 3, or (at your option) any later
|
Software Foundation; either version 3, or (at your option) any later
|
version.
|
version.
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
for more details.
|
for more details.
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
Under Section 7 of GPL version 3, you are granted additional
|
permissions described in the GCC Runtime Library Exception, version
|
permissions described in the GCC Runtime Library Exception, version
|
3.1, as published by the Free Software Foundation.
|
3.1, as published by the Free Software Foundation.
|
|
|
You should have received a copy of the GNU General Public License and
|
You should have received a copy of the GNU General Public License and
|
a copy of the GCC Runtime Library Exception along with this program;
|
a copy of the GCC Runtime Library Exception along with this program;
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
<http://www.gnu.org/licenses/>. */
|
<http://www.gnu.org/licenses/>. */
|
|
|
#ifndef GCC_GTHR_MIPSSDE_H
|
#ifndef GCC_GTHR_MIPSSDE_H
|
#define GCC_GTHR_MIPSSDE_H
|
#define GCC_GTHR_MIPSSDE_H
|
|
|
/* MIPS SDE threading API specific definitions.
|
/* MIPS SDE threading API specific definitions.
|
Easy, since the interface is pretty much one-to-one. */
|
Easy, since the interface is pretty much one-to-one. */
|
|
|
#define __GTHREADS 1
|
#define __GTHREADS 1
|
|
|
#include <sdethread.h>
|
#include <sdethread.h>
|
#include <unistd.h>
|
#include <unistd.h>
|
|
|
#ifdef __cplusplus
|
#ifdef __cplusplus
|
extern "C" {
|
extern "C" {
|
#endif
|
#endif
|
|
|
typedef __sdethread_key_t __gthread_key_t;
|
typedef __sdethread_key_t __gthread_key_t;
|
typedef __sdethread_once_t __gthread_once_t;
|
typedef __sdethread_once_t __gthread_once_t;
|
typedef __sdethread_mutex_t __gthread_mutex_t;
|
typedef __sdethread_mutex_t __gthread_mutex_t;
|
|
|
typedef struct {
|
typedef struct {
|
long depth;
|
long depth;
|
__sdethread_t owner;
|
__sdethread_t owner;
|
__sdethread_mutex_t actual;
|
__sdethread_mutex_t actual;
|
} __gthread_recursive_mutex_t;
|
} __gthread_recursive_mutex_t;
|
|
|
#define __GTHREAD_MUTEX_INIT __SDETHREAD_MUTEX_INITIALIZER("gthr")
|
#define __GTHREAD_MUTEX_INIT __SDETHREAD_MUTEX_INITIALIZER("gthr")
|
#define __GTHREAD_ONCE_INIT __SDETHREAD_ONCE_INIT
|
#define __GTHREAD_ONCE_INIT __SDETHREAD_ONCE_INIT
|
static inline int
|
static inline int
|
__gthread_recursive_mutex_init_function(__gthread_recursive_mutex_t *__mutex);
|
__gthread_recursive_mutex_init_function(__gthread_recursive_mutex_t *__mutex);
|
#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
|
#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
|
|
|
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
|
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
|
# define __gthrw(name) \
|
# define __gthrw(name) \
|
static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)));
|
static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)));
|
# define __gthrw_(name) __gthrw_ ## name
|
# define __gthrw_(name) __gthrw_ ## name
|
#else
|
#else
|
# define __gthrw(name)
|
# define __gthrw(name)
|
# define __gthrw_(name) name
|
# define __gthrw_(name) name
|
#endif
|
#endif
|
|
|
__gthrw(__sdethread_once)
|
__gthrw(__sdethread_once)
|
__gthrw(__sdethread_key_create)
|
__gthrw(__sdethread_key_create)
|
__gthrw(__sdethread_key_delete)
|
__gthrw(__sdethread_key_delete)
|
__gthrw(__sdethread_getspecific)
|
__gthrw(__sdethread_getspecific)
|
__gthrw(__sdethread_setspecific)
|
__gthrw(__sdethread_setspecific)
|
|
|
__gthrw(__sdethread_self)
|
__gthrw(__sdethread_self)
|
|
|
__gthrw(__sdethread_mutex_lock)
|
__gthrw(__sdethread_mutex_lock)
|
__gthrw(__sdethread_mutex_trylock)
|
__gthrw(__sdethread_mutex_trylock)
|
__gthrw(__sdethread_mutex_unlock)
|
__gthrw(__sdethread_mutex_unlock)
|
|
|
__gthrw(__sdethread_mutex_init)
|
__gthrw(__sdethread_mutex_init)
|
|
|
__gthrw(__sdethread_threading)
|
__gthrw(__sdethread_threading)
|
|
|
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
|
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
|
|
|
static inline int
|
static inline int
|
__gthread_active_p (void)
|
__gthread_active_p (void)
|
{
|
{
|
return !!(void *)&__sdethread_threading;
|
return !!(void *)&__sdethread_threading;
|
}
|
}
|
|
|
#else /* not SUPPORTS_WEAK */
|
#else /* not SUPPORTS_WEAK */
|
|
|
static inline int
|
static inline int
|
__gthread_active_p (void)
|
__gthread_active_p (void)
|
{
|
{
|
return 1;
|
return 1;
|
}
|
}
|
|
|
#endif /* SUPPORTS_WEAK */
|
#endif /* SUPPORTS_WEAK */
|
|
|
static inline int
|
static inline int
|
__gthread_once (__gthread_once_t *__once, void (*__func) (void))
|
__gthread_once (__gthread_once_t *__once, void (*__func) (void))
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(__sdethread_once) (__once, __func);
|
return __gthrw_(__sdethread_once) (__once, __func);
|
else
|
else
|
return -1;
|
return -1;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
|
__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
|
{
|
{
|
return __gthrw_(__sdethread_key_create) (__key, __dtor);
|
return __gthrw_(__sdethread_key_create) (__key, __dtor);
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_key_delete (__gthread_key_t __key)
|
__gthread_key_delete (__gthread_key_t __key)
|
{
|
{
|
return __gthrw_(__sdethread_key_delete) (__key);
|
return __gthrw_(__sdethread_key_delete) (__key);
|
}
|
}
|
|
|
static inline void *
|
static inline void *
|
__gthread_getspecific (__gthread_key_t __key)
|
__gthread_getspecific (__gthread_key_t __key)
|
{
|
{
|
return __gthrw_(__sdethread_getspecific) (__key);
|
return __gthrw_(__sdethread_getspecific) (__key);
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
|
__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
|
{
|
{
|
return __gthrw_(__sdethread_setspecific) (__key, __ptr);
|
return __gthrw_(__sdethread_setspecific) (__key, __ptr);
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_mutex_destroy (__gthread_mutex_t * UNUSED(__mutex))
|
__gthread_mutex_destroy (__gthread_mutex_t * UNUSED(__mutex))
|
{
|
{
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_mutex_lock (__gthread_mutex_t *__mutex)
|
__gthread_mutex_lock (__gthread_mutex_t *__mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(__sdethread_mutex_lock) (__mutex);
|
return __gthrw_(__sdethread_mutex_lock) (__mutex);
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
|
__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(__sdethread_mutex_trylock) (__mutex);
|
return __gthrw_(__sdethread_mutex_trylock) (__mutex);
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
|
__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(__sdethread_mutex_unlock) (__mutex);
|
return __gthrw_(__sdethread_mutex_unlock) (__mutex);
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
|
__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
|
{
|
{
|
__mutex->depth = 0;
|
__mutex->depth = 0;
|
__mutex->owner = __gthrw_(__sdethread_self) ();
|
__mutex->owner = __gthrw_(__sdethread_self) ();
|
return __gthrw_(__sdethread_mutex_init) (&__mutex->actual, NULL);
|
return __gthrw_(__sdethread_mutex_init) (&__mutex->actual, NULL);
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
|
__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
{
|
{
|
__sdethread_t __me = __gthrw_(__sdethread_self) ();
|
__sdethread_t __me = __gthrw_(__sdethread_self) ();
|
|
|
if (__mutex->owner != __me)
|
if (__mutex->owner != __me)
|
{
|
{
|
__gthrw_(__sdethread_mutex_lock) (&__mutex->actual);
|
__gthrw_(__sdethread_mutex_lock) (&__mutex->actual);
|
__mutex->owner = __me;
|
__mutex->owner = __me;
|
}
|
}
|
|
|
__mutex->depth++;
|
__mutex->depth++;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
|
__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
{
|
{
|
__sdethread_t __me = __gthrw_(__sdethread_self) ();
|
__sdethread_t __me = __gthrw_(__sdethread_self) ();
|
|
|
if (__mutex->owner != __me)
|
if (__mutex->owner != __me)
|
{
|
{
|
if (__gthrw_(__sdethread_mutex_trylock) (&__mutex->actual))
|
if (__gthrw_(__sdethread_mutex_trylock) (&__mutex->actual))
|
return 1;
|
return 1;
|
__mutex->owner = __me;
|
__mutex->owner = __me;
|
}
|
}
|
|
|
__mutex->depth++;
|
__mutex->depth++;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
|
__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
{
|
{
|
if (--__mutex->depth == 0)
|
if (--__mutex->depth == 0)
|
{
|
{
|
__mutex->owner = (__sdethread_t) 0;
|
__mutex->owner = (__sdethread_t) 0;
|
__gthrw_(__sdethread_mutex_unlock) (&__mutex->actual);
|
__gthrw_(__sdethread_mutex_unlock) (&__mutex->actual);
|
}
|
}
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
#ifdef __cplusplus
|
#ifdef __cplusplus
|
}
|
}
|
#endif
|
#endif
|
|
|
#endif /* ! GCC_GTHR_MIPSSDE_H */
|
#endif /* ! GCC_GTHR_MIPSSDE_H */
|
|
|
