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authormarha <marha@users.sourceforge.net>2009-09-24 16:26:20 +0000
committermarha <marha@users.sourceforge.net>2009-09-24 16:26:20 +0000
commit82967ab5e087a2fdfcb984f990ba117da68a5b60 (patch)
tree52ca72e09a0d1d0ecacfb51a8b0b5d1c8193449c /X11/Xthreads.h
parentf02db4f3b9d748e1fd06e3ae2985b9cf1547cc7e (diff)
parent67b353c9ce039b254ba2e92cd6f842c505a8bd21 (diff)
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svn merge https://vcxsrv.svn.sourceforge.net/svnroot/vcxsrv/branches/released
Diffstat (limited to 'X11/Xthreads.h')
-rw-r--r--X11/Xthreads.h401
1 files changed, 199 insertions, 202 deletions
diff --git a/X11/Xthreads.h b/X11/Xthreads.h
index 54b5440ad..3d4420825 100644
--- a/X11/Xthreads.h
+++ b/X11/Xthreads.h
@@ -1,7 +1,5 @@
/*
- * $Xorg: Xthreads.h,v 1.5 2001/02/09 02:03:23 xorgcvs Exp $
*
- *
Copyright 1993, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
@@ -25,80 +23,79 @@ used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
* *
*/
-/* $XFree86: Xthreads.h,v 3.10 2001/12/14 19:53:26 dawes Exp $ */
#ifndef _XTHREADS_H_
-#define _XTHREADS_H_
+# define _XTHREADS_H_
/* Redefine these to XtMalloc/XtFree or whatever you want before including
* this header file.
*/
-#ifndef xmalloc
-#define xmalloc malloc
-#endif
-#ifndef xfree
-#define xfree free
-#endif
+# ifndef xmalloc
+# define xmalloc malloc
+# endif
+# ifndef xfree
+# define xfree free
+# endif
-#ifdef CTHREADS
-#include <cthreads.h>
+# ifdef CTHREADS
+# include <cthreads.h>
typedef cthread_t xthread_t;
typedef struct condition xcondition_rec;
typedef struct mutex xmutex_rec;
-#define xthread_init() cthread_init()
-#define xthread_self cthread_self
-#define xthread_fork(func,closure) cthread_fork(func,closure)
-#define xthread_yield() cthread_yield()
-#define xthread_exit(v) cthread_exit(v)
-#define xthread_set_name(t,str) cthread_set_name(t,str)
-#define xmutex_init(m) mutex_init(m)
-#define xmutex_clear(m) mutex_clear(m)
-#define xmutex_lock(m) mutex_lock(m)
-#define xmutex_unlock(m) mutex_unlock(m)
-#define xmutex_set_name(m,str) mutex_set_name(m,str)
-#define xcondition_init(cv) condition_init(cv)
-#define xcondition_clear(cv) condition_clear(cv)
-#define xcondition_wait(cv,m) condition_wait(cv,m)
-#define xcondition_signal(cv) condition_signal(cv)
-#define xcondition_broadcast(cv) condition_broadcast(cv)
-#define xcondition_set_name(cv,str) condition_set_name(cv,str)
-#else /* !CTHREADS */
-#if defined(SVR4) && !defined(__sgi) && !defined(_SEQUENT_)
-#include <thread.h>
-#include <synch.h>
+# define xthread_init() cthread_init()
+# define xthread_self cthread_self
+# define xthread_fork(func,closure) cthread_fork(func,closure)
+# define xthread_yield() cthread_yield()
+# define xthread_exit(v) cthread_exit(v)
+# define xthread_set_name(t,str) cthread_set_name(t,str)
+# define xmutex_init(m) mutex_init(m)
+# define xmutex_clear(m) mutex_clear(m)
+# define xmutex_lock(m) mutex_lock(m)
+# define xmutex_unlock(m) mutex_unlock(m)
+# define xmutex_set_name(m,str) mutex_set_name(m,str)
+# define xcondition_init(cv) condition_init(cv)
+# define xcondition_clear(cv) condition_clear(cv)
+# define xcondition_wait(cv,m) condition_wait(cv,m)
+# define xcondition_signal(cv) condition_signal(cv)
+# define xcondition_broadcast(cv) condition_broadcast(cv)
+# define xcondition_set_name(cv,str) condition_set_name(cv,str)
+# else /* !CTHREADS */
+# if defined(SVR4)
+# include <thread.h>
+# include <synch.h>
typedef thread_t xthread_t;
typedef thread_key_t xthread_key_t;
typedef cond_t xcondition_rec;
typedef mutex_t xmutex_rec;
-#if defined(__UNIXWARE__)
+# if defined(__UNIXWARE__)
extern xthread_t (*_x11_thr_self)();
-#define xthread_self (_x11_thr_self)
-#else
-#define xthread_self thr_self
-#endif
-#define xthread_fork(func,closure) thr_create(NULL,0,func,closure,THR_NEW_LWP|THR_DETACHED,NULL)
-#define xthread_yield() thr_yield()
-#define xthread_exit(v) thr_exit(v)
-#define xthread_key_create(kp,d) thr_keycreate(kp,d)
-#ifdef sun
-#define xthread_key_delete(k) 0
-#else
-#define xthread_key_delete(k) thr_keydelete(k)
-#endif
-#define xthread_set_specific(k,v) thr_setspecific(k,v)
-#define xthread_get_specific(k,vp) thr_getspecific(k,vp)
-#define xmutex_init(m) mutex_init(m,USYNC_THREAD,0)
-#define xmutex_clear(m) mutex_destroy(m)
-#define xmutex_lock(m) mutex_lock(m)
-#define xmutex_unlock(m) mutex_unlock(m)
-#define xcondition_init(cv) cond_init(cv,USYNC_THREAD,0)
-#define xcondition_clear(cv) cond_destroy(cv)
-#define xcondition_wait(cv,m) cond_wait(cv,m)
-#define xcondition_signal(cv) cond_signal(cv)
-#define xcondition_broadcast(cv) cond_broadcast(cv)
-#else /* !SVR4 */
-#ifdef WIN32
-#include <X11/Xwindows.h>
+# define xthread_self (_x11_thr_self)
+# else
+# define xthread_self thr_self
+# endif
+# define xthread_fork(func,closure) thr_create(NULL,0,func,closure,THR_NEW_LWP|THR_DETACHED,NULL)
+# define xthread_yield() thr_yield()
+# define xthread_exit(v) thr_exit(v)
+# define xthread_key_create(kp,d) thr_keycreate(kp,d)
+# ifdef __sun
+# define xthread_key_delete(k) 0
+# else
+# define xthread_key_delete(k) thr_keydelete(k)
+# endif
+# define xthread_set_specific(k,v) thr_setspecific(k,v)
+# define xthread_get_specific(k,vp) thr_getspecific(k,vp)
+# define xmutex_init(m) mutex_init(m,USYNC_THREAD,0)
+# define xmutex_clear(m) mutex_destroy(m)
+# define xmutex_lock(m) mutex_lock(m)
+# define xmutex_unlock(m) mutex_unlock(m)
+# define xcondition_init(cv) cond_init(cv,USYNC_THREAD,0)
+# define xcondition_clear(cv) cond_destroy(cv)
+# define xcondition_wait(cv,m) cond_wait(cv,m)
+# define xcondition_signal(cv) cond_signal(cv)
+# define xcondition_broadcast(cv) cond_broadcast(cv)
+# else /* !SVR4 */
+# ifdef WIN32
+# include <X11/Xwindows.h>
typedef DWORD xthread_t;
typedef DWORD xthread_key_t;
struct _xthread_waiter {
@@ -110,31 +107,31 @@ typedef struct {
struct _xthread_waiter *waiters;
} xcondition_rec;
typedef CRITICAL_SECTION xmutex_rec;
-#define xthread_init() _Xthread_init()
-#define xthread_self GetCurrentThreadId
-#define xthread_fork(func,closure) { \
+# define xthread_init() _Xthread_init()
+# define xthread_self GetCurrentThreadId
+# define xthread_fork(func,closure) { \
DWORD _tmptid; \
CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)func, (LPVOID)closure, 0, \
&_tmptid); \
}
-#define xthread_yield() Sleep(0)
-#define xthread_exit(v) ExitThread((DWORD)(v))
-#define xthread_key_create(kp,d) *(kp) = TlsAlloc()
-#define xthread_key_delete(k) TlsFree(k)
-#define xthread_set_specific(k,v) TlsSetValue(k,v)
-#define xthread_get_specific(k,vp) TlsGetValue(k)
-#define xmutex_init(m) InitializeCriticalSection(m)
-#define xmutex_clear(m) DeleteCriticalSection(m)
-#define _XMUTEX_NESTS
-#define xmutex_lock(m) EnterCriticalSection(m)
-#define xmutex_unlock(m) LeaveCriticalSection(m)
-#define xcondition_init(cv) { \
+# define xthread_yield() Sleep(0)
+# define xthread_exit(v) ExitThread((DWORD)(v))
+# define xthread_key_create(kp,d) *(kp) = TlsAlloc()
+# define xthread_key_delete(k) TlsFree(k)
+# define xthread_set_specific(k,v) TlsSetValue(k,v)
+# define xthread_get_specific(k,vp) TlsGetValue(k)
+# define xmutex_init(m) InitializeCriticalSection(m)
+# define xmutex_clear(m) DeleteCriticalSection(m)
+# define _XMUTEX_NESTS
+# define xmutex_lock(m) EnterCriticalSection(m)
+# define xmutex_unlock(m) LeaveCriticalSection(m)
+# define xcondition_init(cv) { \
InitializeCriticalSection(&(cv)->cs); \
(cv)->waiters = NULL; \
}
-#define xcondition_clear(cv) DeleteCriticalSection(&(cv)->cs)
+# define xcondition_clear(cv) DeleteCriticalSection(&(cv)->cs)
extern struct _xthread_waiter *_Xthread_waiter();
-#define xcondition_wait(cv,m) { \
+# define xcondition_wait(cv,m) { \
struct _xthread_waiter *_tmpthr = _Xthread_waiter(); \
EnterCriticalSection(&(cv)->cs); \
_tmpthr->next = (cv)->waiters; \
@@ -144,7 +141,7 @@ extern struct _xthread_waiter *_Xthread_waiter();
WaitForSingleObject(_tmpthr->sem, INFINITE); \
EnterCriticalSection(m); \
}
-#define xcondition_signal(cv) { \
+# define xcondition_signal(cv) { \
EnterCriticalSection(&(cv)->cs); \
if ((cv)->waiters) { \
ReleaseSemaphore((cv)->waiters->sem, 1, NULL); \
@@ -152,7 +149,7 @@ extern struct _xthread_waiter *_Xthread_waiter();
} \
LeaveCriticalSection(&(cv)->cs); \
}
-#define xcondition_broadcast(cv) { \
+# define xcondition_broadcast(cv) { \
struct _xthread_waiter *_tmpthr; \
EnterCriticalSection(&(cv)->cs); \
for (_tmpthr = (cv)->waiters; _tmpthr; _tmpthr = _tmpthr->next) \
@@ -160,157 +157,157 @@ extern struct _xthread_waiter *_Xthread_waiter();
(cv)->waiters = NULL; \
LeaveCriticalSection(&(cv)->cs); \
}
-#else /* !WIN32 */
-#ifdef USE_TIS_SUPPORT
+# else /* !WIN32 */
+# ifdef USE_TIS_SUPPORT
/*
* TIS support is intended for thread safe libraries.
* This should not be used for general client programming.
*/
-#include <tis.h>
+# include <tis.h>
typedef pthread_t xthread_t;
typedef pthread_key_t xthread_key_t;
typedef pthread_cond_t xcondition_rec;
typedef pthread_mutex_t xmutex_rec;
-#define xthread_self tis_self
-#define xthread_fork(func,closure) { pthread_t _tmpxthr; \
+# define xthread_self tis_self
+# define xthread_fork(func,closure) { pthread_t _tmpxthr; \
pthread_create(&_tmpxthr,NULL,func,closure); }
-#define xthread_yield() pthread_yield_np()
-#define xthread_exit(v) pthread_exit(v)
-#define xthread_key_create(kp,d) tis_key_create(kp,d)
-#define xthread_key_delete(k) tis_key_delete(k)
-#define xthread_set_specific(k,v) tis_setspecific(k,v)
-#define xthread_get_specific(k,vp) *(vp) = tis_getspecific(k)
-#define XMUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
-#define xmutex_init(m) tis_mutex_init(m)
-#define xmutex_clear(m) tis_mutex_destroy(m)
-#define xmutex_lock(m) tis_mutex_lock(m)
-#define xmutex_unlock(m) tis_mutex_unlock(m)
-#define xcondition_init(c) tis_cond_init(c)
-#define xcondition_clear(c) tis_cond_destroy(c)
-#define xcondition_wait(c,m) tis_cond_wait(c,m)
-#define xcondition_signal(c) tis_cond_signal(c)
-#define xcondition_broadcast(c) tis_cond_broadcast(c)
-#else
-#ifdef USE_NBSD_THREADLIB
+# define xthread_yield() pthread_yield_np()
+# define xthread_exit(v) pthread_exit(v)
+# define xthread_key_create(kp,d) tis_key_create(kp,d)
+# define xthread_key_delete(k) tis_key_delete(k)
+# define xthread_set_specific(k,v) tis_setspecific(k,v)
+# define xthread_get_specific(k,vp) *(vp) = tis_getspecific(k)
+# define XMUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
+# define xmutex_init(m) tis_mutex_init(m)
+# define xmutex_clear(m) tis_mutex_destroy(m)
+# define xmutex_lock(m) tis_mutex_lock(m)
+# define xmutex_unlock(m) tis_mutex_unlock(m)
+# define xcondition_init(c) tis_cond_init(c)
+# define xcondition_clear(c) tis_cond_destroy(c)
+# define xcondition_wait(c,m) tis_cond_wait(c,m)
+# define xcondition_signal(c) tis_cond_signal(c)
+# define xcondition_broadcast(c) tis_cond_broadcast(c)
+# else
+# ifdef USE_NBSD_THREADLIB
/*
* NetBSD threadlib support is intended for thread safe libraries.
* This should not be used for general client programming.
*/
-#include <threadlib.h>
+# include <threadlib.h>
typedef thr_t xthread_t;
typedef thread_key_t xthread_key_t;
typedef cond_t xcondition_rec;
typedef mutex_t xmutex_rec;
-#define xthread_self thr_self
-#define xthread_fork(func,closure) { thr_t _tmpxthr; \
+# define xthread_self thr_self
+# define xthread_fork(func,closure) { thr_t _tmpxthr; \
/* XXX Create it detached? --thorpej */ \
thr_create(&_tmpxthr,NULL,func,closure); }
-#define xthread_yield() thr_yield()
-#define xthread_exit(v) thr_exit(v)
-#define xthread_key_create(kp,d) thr_keycreate(kp,d)
-#define xthread_key_delete(k) thr_keydelete(k)
-#define xthread_set_specific(k,v) thr_setspecific(k,v)
-#define xthread_get_specific(k,vp) *(vp) = thr_getspecific(k)
-#define XMUTEX_INITIALIZER MUTEX_INITIALIZER
-#define xmutex_init(m) mutex_init(m, 0)
-#define xmutex_clear(m) mutex_destroy(m)
-#define xmutex_lock(m) mutex_lock(m)
-#define xmutex_unlock(m) mutex_unlock(m)
-#define xcondition_init(c) cond_init(c, 0, 0)
-#define xcondition_clear(c) cond_destroy(c)
-#define xcondition_wait(c,m) cond_wait(c,m)
-#define xcondition_signal(c) cond_signal(c)
-#define xcondition_broadcast(c) cond_broadcast(c)
-#else
-#include <pthread.h>
+# define xthread_yield() thr_yield()
+# define xthread_exit(v) thr_exit(v)
+# define xthread_key_create(kp,d) thr_keycreate(kp,d)
+# define xthread_key_delete(k) thr_keydelete(k)
+# define xthread_set_specific(k,v) thr_setspecific(k,v)
+# define xthread_get_specific(k,vp) *(vp) = thr_getspecific(k)
+# define XMUTEX_INITIALIZER MUTEX_INITIALIZER
+# define xmutex_init(m) mutex_init(m, 0)
+# define xmutex_clear(m) mutex_destroy(m)
+# define xmutex_lock(m) mutex_lock(m)
+# define xmutex_unlock(m) mutex_unlock(m)
+# define xcondition_init(c) cond_init(c, 0, 0)
+# define xcondition_clear(c) cond_destroy(c)
+# define xcondition_wait(c,m) cond_wait(c,m)
+# define xcondition_signal(c) cond_signal(c)
+# define xcondition_broadcast(c) cond_broadcast(c)
+# else
+# include <pthread.h>
typedef pthread_t xthread_t;
typedef pthread_key_t xthread_key_t;
typedef pthread_cond_t xcondition_rec;
typedef pthread_mutex_t xmutex_rec;
-#define xthread_self pthread_self
-#define xthread_yield() pthread_yield()
-#define xthread_exit(v) pthread_exit(v)
-#define xthread_set_specific(k,v) pthread_setspecific(k,v)
-#define xmutex_clear(m) pthread_mutex_destroy(m)
-#define xmutex_lock(m) pthread_mutex_lock(m)
-#define xmutex_unlock(m) pthread_mutex_unlock(m)
-#ifndef XPRE_STANDARD_API
-#define xthread_key_create(kp,d) pthread_key_create(kp,d)
-#define xthread_key_delete(k) pthread_key_delete(k)
-#define xthread_get_specific(k,vp) *(vp) = pthread_getspecific(k)
-#define xthread_fork(func,closure) { pthread_t _tmpxthr; \
+# define xthread_self pthread_self
+# define xthread_yield() pthread_yield()
+# define xthread_exit(v) pthread_exit(v)
+# define xthread_set_specific(k,v) pthread_setspecific(k,v)
+# define xmutex_clear(m) pthread_mutex_destroy(m)
+# define xmutex_lock(m) pthread_mutex_lock(m)
+# define xmutex_unlock(m) pthread_mutex_unlock(m)
+# ifndef XPRE_STANDARD_API
+# define xthread_key_create(kp,d) pthread_key_create(kp,d)
+# define xthread_key_delete(k) pthread_key_delete(k)
+# define xthread_get_specific(k,vp) *(vp) = pthread_getspecific(k)
+# define xthread_fork(func,closure) { pthread_t _tmpxthr; \
pthread_create(&_tmpxthr,NULL,func,closure); }
-#define XMUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
-#define xmutex_init(m) pthread_mutex_init(m, NULL)
-#define xcondition_init(c) pthread_cond_init(c, NULL)
-#else /* XPRE_STANDARD_API */
-#define xthread_key_create(kp,d) pthread_keycreate(kp,d)
-#define xthread_key_delete(k) 0
-#define xthread_get_specific(k,vp) pthread_getspecific(k,vp)
-#define xthread_fork(func,closure) { pthread_t _tmpxthr; \
+# define XMUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
+# define xmutex_init(m) pthread_mutex_init(m, NULL)
+# define xcondition_init(c) pthread_cond_init(c, NULL)
+# else /* XPRE_STANDARD_API */
+# define xthread_key_create(kp,d) pthread_keycreate(kp,d)
+# define xthread_key_delete(k) 0
+# define xthread_get_specific(k,vp) pthread_getspecific(k,vp)
+# define xthread_fork(func,closure) { pthread_t _tmpxthr; \
pthread_create(&_tmpxthr,pthread_attr_default,func,closure); }
-#define xmutex_init(m) pthread_mutex_init(m, pthread_mutexattr_default)
-#define xcondition_init(c) pthread_cond_init(c, pthread_condattr_default)
-#endif /* XPRE_STANDARD_API */
-#define xcondition_clear(c) pthread_cond_destroy(c)
-#define xcondition_wait(c,m) pthread_cond_wait(c,m)
-#define xcondition_signal(c) pthread_cond_signal(c)
-#define xcondition_broadcast(c) pthread_cond_broadcast(c)
-#if defined(_DECTHREADS_)
+# define xmutex_init(m) pthread_mutex_init(m, pthread_mutexattr_default)
+# define xcondition_init(c) pthread_cond_init(c, pthread_condattr_default)
+# endif /* XPRE_STANDARD_API */
+# define xcondition_clear(c) pthread_cond_destroy(c)
+# define xcondition_wait(c,m) pthread_cond_wait(c,m)
+# define xcondition_signal(c) pthread_cond_signal(c)
+# define xcondition_broadcast(c) pthread_cond_broadcast(c)
+# if defined(_DECTHREADS_)
static xthread_t _X_no_thread_id;
-#define xthread_have_id(id) !pthread_equal(id, _X_no_thread_id)
-#define xthread_clear_id(id) id = _X_no_thread_id
-#define xthread_equal(id1,id2) pthread_equal(id1, id2)
-#endif /* _DECTHREADS_ */
-#if defined(__linux__)
-#define xthread_have_id(id) !pthread_equal(id, 0)
-#define xthread_clear_id(id) id = 0
-#define xthread_equal(id1,id2) pthread_equal(id1, id2)
-#endif /* linux */
-#if defined(_CMA_VENDOR_) && defined(_CMA__IBM) && (_CMA_VENDOR_ == _CMA__IBM)
-#ifdef DEBUG /* too much of a hack to enable normally */
+# define xthread_have_id(id) !pthread_equal(id, _X_no_thread_id)
+# define xthread_clear_id(id) id = _X_no_thread_id
+# define xthread_equal(id1,id2) pthread_equal(id1, id2)
+# endif /* _DECTHREADS_ */
+# if defined(__linux__)
+# define xthread_have_id(id) !pthread_equal(id, 0)
+# define xthread_clear_id(id) id = 0
+# define xthread_equal(id1,id2) pthread_equal(id1, id2)
+# endif /* linux */
+# if defined(_CMA_VENDOR_) && defined(_CMA__IBM) && (_CMA_VENDOR_ == _CMA__IBM)
+# ifdef DEBUG /* too much of a hack to enable normally */
/* see also cma__obj_set_name() */
-#define xmutex_set_name(m,str) ((char**)(m)->field1)[5] = (str)
-#define xcondition_set_name(cv,str) ((char**)(cv)->field1)[5] = (str)
-#endif /* DEBUG */
-#endif /* _CMA_VENDOR_ == _CMA__IBM */
-#endif /* USE_NBSD_THREADLIB */
-#endif /* USE_TIS_SUPPORT */
-#endif /* WIN32 */
-#endif /* SVR4 */
-#endif /* CTHREADS */
+# define xmutex_set_name(m,str) ((char**)(m)->field1)[5] = (str)
+# define xcondition_set_name(cv,str) ((char**)(cv)->field1)[5] = (str)
+# endif /* DEBUG */
+# endif /* _CMA_VENDOR_ == _CMA__IBM */
+# endif /* USE_NBSD_THREADLIB */
+# endif /* USE_TIS_SUPPORT */
+# endif /* WIN32 */
+# endif /* SVR4 */
+# endif /* CTHREADS */
typedef xcondition_rec *xcondition_t;
typedef xmutex_rec *xmutex_t;
-#ifndef xcondition_malloc
-#define xcondition_malloc() (xcondition_t)xmalloc(sizeof(xcondition_rec))
-#endif
-#ifndef xcondition_free
-#define xcondition_free(c) xfree((char *)c)
-#endif
-#ifndef xmutex_malloc
-#define xmutex_malloc() (xmutex_t)xmalloc(sizeof(xmutex_rec))
-#endif
-#ifndef xmutex_free
-#define xmutex_free(m) xfree((char *)m)
-#endif
-#ifndef xthread_have_id
-#define xthread_have_id(id) id
-#endif
-#ifndef xthread_clear_id
-#define xthread_clear_id(id) id = 0
-#endif
-#ifndef xthread_equal
-#define xthread_equal(id1,id2) ((id1) == (id2))
-#endif
+# ifndef xcondition_malloc
+# define xcondition_malloc() (xcondition_t)xmalloc(sizeof(xcondition_rec))
+# endif
+# ifndef xcondition_free
+# define xcondition_free(c) xfree((char *)c)
+# endif
+# ifndef xmutex_malloc
+# define xmutex_malloc() (xmutex_t)xmalloc(sizeof(xmutex_rec))
+# endif
+# ifndef xmutex_free
+# define xmutex_free(m) xfree((char *)m)
+# endif
+# ifndef xthread_have_id
+# define xthread_have_id(id) id
+# endif
+# ifndef xthread_clear_id
+# define xthread_clear_id(id) id = 0
+# endif
+# ifndef xthread_equal
+# define xthread_equal(id1,id2) ((id1) == (id2))
+# endif
/* aids understood by some debuggers */
-#ifndef xthread_set_name
-#define xthread_set_name(t,str)
-#endif
-#ifndef xmutex_set_name
-#define xmutex_set_name(m,str)
-#endif
-#ifndef xcondition_set_name
-#define xcondition_set_name(cv,str)
-#endif
+# ifndef xthread_set_name
+# define xthread_set_name(t,str)
+# endif
+# ifndef xmutex_set_name
+# define xmutex_set_name(m,str)
+# endif
+# ifndef xcondition_set_name
+# define xcondition_set_name(cv,str)
+# endif
#endif /* _XTHREADS_H_ */