82 строки
2.0 KiB
C
82 строки
2.0 KiB
C
/*
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* Copyright (c) 2008 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2009 Sandia National Laboratories. All rights reserved.
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*
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef OMPI_BTL_OPENIB_FD_H_
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#define OMPI_BTL_OPENIB_FD_H_
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#include "ompi_config.h"
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BEGIN_C_DECLS
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/**
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* Typedef for fd callback function
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*/
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typedef void *(ompi_btl_openib_fd_event_callback_fn_t)(int fd, int flags,
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void *context);
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/**
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* Typedef for generic callback function
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*/
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typedef void *(ompi_btl_openib_fd_main_callback_fn_t)(void *context);
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/**
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* Initialize fd monitoring.
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* Called by the main thread.
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*/
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int ompi_btl_openib_fd_init(void);
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/**
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* Start monitoring an fd.
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* Called by main or service thread; callback will be in service thread.
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*/
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int ompi_btl_openib_fd_monitor(int fd, int flags,
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ompi_btl_openib_fd_event_callback_fn_t *callback,
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void *context);
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/**
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* Stop monitoring an fd.
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* Called by main or service thread; callback will be in service thread.
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*/
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int ompi_btl_openib_fd_unmonitor(int fd,
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ompi_btl_openib_fd_event_callback_fn_t *callback,
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void *context);
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/**
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* Run a function in the service thread.
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* Called by the main thread.
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*/
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int ompi_btl_openib_fd_run_in_service(ompi_btl_openib_fd_main_callback_fn_t callback,
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void *context);
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/**
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* Run a function in the main thread.
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* Called by the service thread.
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*/
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int ompi_btl_openib_fd_run_in_main(ompi_btl_openib_fd_main_callback_fn_t callback,
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void *context);
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/**
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* Drain all pending messages from the main thread's pipe.
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* Likely only useful during finalize, when the event library
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* won't fire callbacks.
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*/
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int ompi_btl_openib_fd_main_thread_drain(void);
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/**
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* Finalize fd monitoring.
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* Called by the main thread.
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*/
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int ompi_btl_openib_fd_finalize(void);
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END_C_DECLS
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#endif
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