summaryrefslogblamecommitdiffstats
path: root/cpukit/include/rtems/gxx_wrappers.h
blob: e462d27d660c0e7a5496f11a98bd0f803616892b (plain) (tree)
1
2
3
4
5
6
7
   
        
  



                                                    










                                                                     








                         







                                                           


                                                                
   
                              







                                                                       































                                                                          
/**
 * @file
 *
 * RTEMS threads compatibility routines for libgcc2.
 */

/*
 *  by: Rosimildo da Silva (rdasilva@connecttel.com)
 *
 *  Used ideas from:
 *    W. Eric Norum
 *    Canadian Light Source
 *    University of Saskatchewan
 *    Saskatoon, Saskatchewan, CANADA
 *    eric@cls.usask.ca
 *
 *  Eric sent some e-mail in the rtems-list as a start point for this
 *  module implementation.
 */

#ifndef __GCC_WRAPPERS_h 
#define __GCC_WRAPPERS_h

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/**
 *  @defgroup GxxWrappersSupport Gxx Wrappers Support
 *
 *  @ingroup libcsupport
 *
 *  @brief RTEMS Threads Compatibility Routines for Libgcc2
 */

/*
 * These typedefs should match with the ones defined in the file
 * gcc/gthr-rtems.h in the gcc distribution.
 */
typedef void *__gthread_key_t;
typedef int   __gthread_once_t;
typedef void *__gthread_mutex_t;
typedef void *__gthread_recursive_mutex_t;

int rtems_gxx_once(__gthread_once_t *once, void (*func) (void));

int rtems_gxx_key_create (__gthread_key_t *key, void (*dtor) (void *));

int rtems_gxx_key_delete (__gthread_key_t key);

void *rtems_gxx_getspecific(__gthread_key_t key);

int rtems_gxx_setspecific(__gthread_key_t key, const void *ptr);

/*
 * MUTEX support
 */
void rtems_gxx_mutex_init (__gthread_mutex_t *mutex);

int rtems_gxx_mutex_lock (__gthread_mutex_t *mutex);

int rtems_gxx_mutex_destroy (__gthread_mutex_t *mutex);

int rtems_gxx_mutex_trylock (__gthread_mutex_t *mutex);

int rtems_gxx_mutex_unlock (__gthread_mutex_t *mutex);

void rtems_gxx_recursive_mutex_init(__gthread_recursive_mutex_t *mutex);

int rtems_gxx_recursive_mutex_lock(__gthread_recursive_mutex_t *mutex);

int rtems_gxx_recursive_mutex_trylock(__gthread_recursive_mutex_t *mutex);

int rtems_gxx_recursive_mutex_unlock(__gthread_recursive_mutex_t *mutex);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __GCC_WRAPPERS_h */