diff options
Diffstat (limited to 'ace/SUN_Proactor.h')
| -rw-r--r-- | ace/SUN_Proactor.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/ace/SUN_Proactor.h b/ace/SUN_Proactor.h deleted file mode 100644 index 148b27e23ae..00000000000 --- a/ace/SUN_Proactor.h +++ /dev/null @@ -1,111 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// ace -// -// = FILENAME -// SUN_Proactor.h -// -// = AUTHOR -// Alexander Libman <alibman@baltimore.com> -// -// ============================================================================ - -#ifndef ACE_SUN_PROACTOR_H -#define ACE_SUN_PROACTOR_H - -#include "ace/POSIX_Proactor.h" - -#if defined (ACE_HAS_AIO_CALLS) && defined(sun) - -#include "sys/asynch.h" // Sun native aio calls - -class ACE_Export ACE_SUN_Proactor : public ACE_POSIX_AIOCB_Proactor -{ - // = TITLE - // Implementation of the fast and reliable Proactor - // for SunOS 5.6, 5.7, etc. - // - // = DESCRIPTION - // This proactor, based on ACE_POSIX_AIOCB_Proactor, - // works with Sun native interface for aio calls. - // POSIX_API Native SUN_API - // aio_read aioread - // aio_write aiowrite - // aio_suspend aiowait - // aio_error aio_result_t.errno - // aio_return aio_result_t.return - // - // On Solaris, the Sun aio*() native implementation is more - // reliable and efficient than POSIX aio_*() implementation. - // There is a problem of lost RT signals with POSIX, if we start - // more than SIGQUEUEMAX asynchronous operations at the same - // time. - // - // The Sun aiocb it is not standard aiocb, instead, it has the - // following structure: - // - // typedef struct aiocb - // { - // int aio_fildes; File descriptor - // void *aio_buf; buffer location - // size_t aio_nbytes; length of transfer - // off_t aio_offset; file offset - // int aio_reqprio; request priority offset - // sigevent aio_sigevent; signal number and offset - // int aio_lio_opcode; listio operation - // aio_result_t aio_resultp; results - // int aio_state; state flag for List I/O - // int aio__pad[1]; extension padding - // }; - -public: - virtual Proactor_Type get_impl_type (void); - - virtual ~ACE_SUN_Proactor (void); - // Destructor. - - // @@ Alex, this shouldn't be a magic number, i.e., it should be a - // constant, such as ACE_MAX_AIO_OPERATIONS. - ACE_SUN_Proactor (size_t max_aio_operations = 512); - // Constructor defines max number asynchronous operations that can - // be started at the same time. - -protected: - virtual int handle_events (ACE_Time_Value &wait_time); - // Dispatch a single set of events. If <wait_time> elapses before - // any events occur, return 0. Return 1 on success i.e., when a - // completion is dispatched, non-zero (-1) on errors and errno is - // set accordingly. - - virtual int handle_events (u_long milli_seconds); - // Dispatch a single set of events. If <milli_seconds> elapses - // before any events occur, return 0. Return 1 if a completion is - // dispatched. Return -1 on errors. - - virtual int handle_events (void); - // Block indefinitely until at least one event is dispatched. - // Dispatch a single set of events. If <wait_time> elapses before - // any events occur, return 0. Return 1 on success i.e., when a - // completion is dispatched, non-zero (-1) on errors and errno is - // set accordingly. - - virtual int start_aio (ACE_POSIX_Asynch_Result *result, int op); - // From ACE_POSIX_AIOCB_Proactor. - - ACE_POSIX_Asynch_Result *find_completed_aio (aio_result_t *result, - int &error_status, - int &return_status); - // Extract the results of aio. -}; - -#if defined (__ACE_INLINE__) -#include "ace/SUN_Proactor.i" -#endif /* __ACE_INLINE__ */ - -#endif /* ACE_HAS_AIO_CALLS && sun */ -#endif /* ACE_SUN_PROACTOR_H*/ -//====================================================================== |