X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fglthread%2Fcond.h;h=d866b6e6772c8907df1213dcd5362cbc8ad8d241;hb=2f2db8cbc28ec95c742c3513bf508d073c714165;hp=e6707b85ea06e8839244afb6a29d2e9c8b5d158e;hpb=d4300b64e12f5ed6eb0634a7de21e9479b18bfbe;p=gnulib.git diff --git a/lib/glthread/cond.h b/lib/glthread/cond.h index e6707b85e..d866b6e67 100644 --- a/lib/glthread/cond.h +++ b/lib/glthread/cond.h @@ -1,5 +1,5 @@ /* Condition variables for multithreading. - Copyright (C) 2005-2008 Free Software Foundation, Inc. + Copyright (C) 2005-2010 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -269,7 +269,67 @@ extern int glthread_cond_timedwait_multithreaded (gl_cond_t *cond, gl_lock_t *lo /* ========================================================================= */ -#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS) +#if USE_WIN32_THREADS + +# include + +# ifdef __cplusplus +extern "C" { +# endif + +/* -------------------------- gl_cond_t datatype -------------------------- */ + +struct gl_waitqueue_link +{ + struct gl_waitqueue_link *wql_next; + struct gl_waitqueue_link *wql_prev; +}; +typedef struct + { + struct gl_waitqueue_link wq_list; /* circular list of waiting threads */ + } + gl_linked_waitqueue_t; +typedef struct + { + gl_spinlock_t guard; /* protects the initialization */ + CRITICAL_SECTION lock; /* protects the remaining fields */ + gl_linked_waitqueue_t waiters; /* waiting threads */ + } + gl_cond_t; +# define gl_cond_define(STORAGECLASS, NAME) \ + STORAGECLASS gl_cond_t NAME; +# define gl_cond_define_initialized(STORAGECLASS, NAME) \ + STORAGECLASS gl_cond_t NAME = gl_cond_initializer; +# define gl_cond_initializer \ + { { 0, -1 } } +# define glthread_cond_init(COND) \ + glthread_cond_init_func (COND) +# define glthread_cond_wait(COND, LOCK) \ + glthread_cond_wait_func (COND, LOCK) +# define glthread_cond_timedwait(COND, LOCK, ABSTIME) \ + glthread_cond_timedwait_func (COND, LOCK, ABSTIME) +# define glthread_cond_signal(COND) \ + glthread_cond_signal_func (COND) +# define glthread_cond_broadcast(COND) \ + glthread_cond_broadcast_func (COND) +# define glthread_cond_destroy(COND) \ + glthread_cond_destroy_func (COND) +extern int glthread_cond_init_func (gl_cond_t *cond); +extern int glthread_cond_wait_func (gl_cond_t *cond, gl_lock_t *lock); +extern int glthread_cond_timedwait_func (gl_cond_t *cond, gl_lock_t *lock, struct timespec *abstime); +extern int glthread_cond_signal_func (gl_cond_t *cond); +extern int glthread_cond_broadcast_func (gl_cond_t *cond); +extern int glthread_cond_destroy_func (gl_cond_t *cond); + +# ifdef __cplusplus +} +# endif + +#endif + +/* ========================================================================= */ + +#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WIN32_THREADS) /* Provide dummy implementation if threads are not supported. */