X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fgthr-tpf.h;fp=gcc%2Fgthr-tpf.h;h=4bc7e63642fc95b5c1d42531e590bad1e723ca9b;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git
diff --git a/gcc/gthr-tpf.h b/gcc/gthr-tpf.h
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+/* Threads compatibility routines for libgcc2 and libobjc.
+ Compile this one with gcc.
+ Copyright (C) 2004, 2005, 2008, 2009 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+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
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+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;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+. */
+
+/* TPF needs its own version of gthr-*.h because TPF always links to
+ the thread library. However, for performance reasons we still do not
+ want to issue thread api calls unless a check is made to see that we
+ are running as a thread. */
+
+#ifndef GCC_GTHR_TPF_H
+#define GCC_GTHR_TPF_H
+
+/* POSIX threads specific definitions.
+ Easy, since the interface is just one-to-one mapping. */
+
+#define __GTHREADS 1
+
+/* Some implementations of require this to be defined. */
+#ifndef _REENTRANT
+#define _REENTRANT 1
+#endif
+
+#include
+#include
+
+typedef pthread_key_t __gthread_key_t;
+typedef pthread_once_t __gthread_once_t;
+typedef pthread_mutex_t __gthread_mutex_t;
+typedef pthread_mutex_t __gthread_recursive_mutex_t;
+
+#if defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER)
+#define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER
+#elif defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP)
+#define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
+#endif
+
+#define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
+#define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT
+#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
+
+#define NOTATHREAD 00
+#define ECBBASEPTR (unsigned long int) *(unsigned int *)0x00000514u
+#define ECBPG2PTR ECBBASEPTR + 0x1000
+#define CE2THRCPTR *((unsigned char *)(ECBPG2PTR + 16))
+#define __tpf_pthread_active() (CE2THRCPTR != NOTATHREAD)
+
+#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
+# define __gthrw(name) \
+ static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)));
+# define __gthrw_(name) __gthrw_ ## name
+#else
+# define __gthrw(name)
+# define __gthrw_(name) name
+#endif
+
+__gthrw(pthread_once)
+__gthrw(pthread_key_create)
+__gthrw(pthread_key_delete)
+__gthrw(pthread_getspecific)
+__gthrw(pthread_setspecific)
+__gthrw(pthread_create)
+
+__gthrw(pthread_mutex_lock)
+__gthrw(pthread_mutex_trylock)
+__gthrw(pthread_mutex_unlock)
+__gthrw(pthread_mutexattr_init)
+__gthrw(pthread_mutexattr_settype)
+__gthrw(pthread_mutexattr_destroy)
+__gthrw(pthread_mutex_init)
+__gthrw(pthread_mutex_destroy)
+
+static inline int
+__gthread_active_p (void)
+{
+ return 1;
+}
+
+static inline int
+__gthread_once (__gthread_once_t *__once, void (*__func) (void))
+{
+ if (__tpf_pthread_active ())
+ return __gthrw_(pthread_once) (__once, __func);
+ else
+ return -1;
+}
+
+static inline int
+__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
+{
+ if (__tpf_pthread_active ())
+ return __gthrw_(pthread_key_create) (__key, __dtor);
+ else
+ return -1;
+}
+
+static inline int
+__gthread_key_delete (__gthread_key_t __key)
+{
+ if (__tpf_pthread_active ())
+ return __gthrw_(pthread_key_delete) (__key);
+ else
+ return -1;
+}
+
+static inline void *
+__gthread_getspecific (__gthread_key_t __key)
+{
+ if (__tpf_pthread_active ())
+ return __gthrw_(pthread_getspecific) (__key);
+ else
+ return NULL;
+}
+
+static inline int
+__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
+{
+ if (__tpf_pthread_active ())
+ return __gthrw_(pthread_setspecific) (__key, __ptr);
+ else
+ return -1;
+}
+
+static inline int
+__gthread_mutex_destroy (__gthread_mutex_t *__mutex)
+{
+ if (__tpf_pthread_active ())
+ return __gthrw_(pthread_mutex_destroy) (__mutex);
+ else
+ return 0;
+}
+
+static inline int
+__gthread_mutex_lock (__gthread_mutex_t *__mutex)
+{
+ if (__tpf_pthread_active ())
+ return __gthrw_(pthread_mutex_lock) (__mutex);
+ else
+ return 0;
+}
+
+static inline int
+__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
+{
+ if (__tpf_pthread_active ())
+ return __gthrw_(pthread_mutex_trylock) (__mutex);
+ else
+ return 0;
+}
+
+static inline int
+__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
+{
+ if (__tpf_pthread_active ())
+ return __gthrw_(pthread_mutex_unlock) (__mutex);
+ else
+ return 0;
+}
+
+static inline int
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
+{
+ if (__tpf_pthread_active ())
+ return __gthread_mutex_lock (__mutex);
+ else
+ return 0;
+}
+
+static inline int
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
+{
+ if (__tpf_pthread_active ())
+ return __gthread_mutex_trylock (__mutex);
+ else
+ return 0;
+}
+
+static inline int
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
+{
+ if (__tpf_pthread_active ())
+ return __gthread_mutex_unlock (__mutex);
+ else
+ return 0;
+}
+
+static inline int
+__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
+{
+ if (__tpf_pthread_active ())
+ {
+ pthread_mutexattr_t __attr;
+ int __r;
+
+ __r = __gthrw_(pthread_mutexattr_init) (&__attr);
+ if (!__r)
+ __r = __gthrw_(pthread_mutexattr_settype) (&__attr,
+ PTHREAD_MUTEX_RECURSIVE);
+ if (!__r)
+ __r = __gthrw_(pthread_mutex_init) (__mutex, &__attr);
+ if (!__r)
+ __r = __gthrw_(pthread_mutexattr_destroy) (&__attr);
+ return __r;
+ }
+ return 0;
+}
+
+
+#endif /* ! GCC_GTHR_TPF_H */