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175 lines
7.2 KiB
C
175 lines
7.2 KiB
C
/*
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* Copyright 2010-2016 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, version 2.1.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA.
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*
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* Disclaimer: The codes contained in these modules may be specific
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* to the Intel Software Development Platform codenamed Knights Ferry,
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* and the Intel product codenamed Knights Corner, and are not backward
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* compatible with other Intel products. Additionally, Intel will NOT
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* support the codes or instruction set in future products.
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*
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* Intel offers no warranty of any kind regarding the code. This code is
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* licensed on an "AS IS" basis and Intel is not obligated to provide
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* any support, assistance, installation, training, or other services
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* of any kind. Intel is also not obligated to provide any updates,
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* enhancements or extensions. Intel specifically disclaims any warranty
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* of merchantability, non-infringement, fitness for any particular
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* purpose, and any other warranty.
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*
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* Further, Intel disclaims all liability of any kind, including but
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* not limited to liability for infringement of any proprietary rights,
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* relating to the use of the code, even if Intel is notified of the
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* possibility of such liability. Except as expressly stated in an Intel
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* license agreement provided with this code and agreed upon with Intel,
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* no license, express or implied, by estoppel or otherwise, to any
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* intellectual property rights is granted herein.
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*/
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#ifndef _COIPROCESS_SINK_H
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#define _COIPROCESS_SINK_H
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/** @ingroup COIProcess
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* @addtogroup COIProcessSink
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@{
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* @file sink/COIProcess_sink.h
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*/
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#ifndef DOXYGEN_SHOULD_SKIP_THIS
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#include "../common/COITypes_common.h"
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#include "../common/COIResult_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#endif // DOXYGEN_SHOULD_SKIP_THIS
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//////////////////////////////////////////////////////////////////////////////
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///
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/// This call will block while waiting for the source to send a process destroy
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/// message. This provides the sink side application with an event to keep the
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/// main() function from exiting until it is directed to by the source. When
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/// the shutdown message is received this function will stop any future run
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/// functions from executing but will wait for any current run functions to
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/// complete. All Intel® Coprocessor Offload Infrastructure (Intel® COI)
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/// resources will be cleaned up and no additional Intel® Coprocessor Offload
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/// Infrastructure (Intel® COI) APIs should be called after this function
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/// returns. This function does not invoke exit() so the application
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/// can perform any of its own cleanup once this call returns.
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///
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/// @return COI_SUCCESS once the process receives the shutdown message.
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///
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COIRESULT
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COIProcessWaitForShutdown();
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//////////////////////////////////////////////////////////////////////////////
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///
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/// This call will block until all stdout and stderr output has been proxied
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/// to and written by the source. This call guarantees that any output in a
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/// run function is transmitted to the source before the run function signals
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/// its completion event back to the source.
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///
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/// Note that having an additional thread printing forever while another
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/// calls COIProxyFlush may lead to a hang because the process will be forced
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/// to wait until all that output can be flushed to the source before returning
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/// from this call.
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///
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/// @return COI_SUCCESS once the proxy output has been flushed to and written
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/// written by the host. Note that Intel® Coprocessor Offload
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/// Infrastructure (Intel® COI) on the source writes to stdout and
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/// stderr, but does not flush this output.
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/// @return COI_SUCCESS if the process was created without enabling
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/// proxy IO this function.
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///
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COIRESULT
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COIProcessProxyFlush();
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//////////////////////////////////////////////////////////////////////////////
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///
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/// Loads a shared library from host filesystem into the current sink
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/// process, akin to using dlopen() on a local process in Linux or
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/// LoadLibrary() in Windows.
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///
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/// @param in_pFileName
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/// [in] The name of the shared library file on the source's file
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/// system that is being loaded. If the file name is not an absolute
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/// path, the file is searched for in the same manner as dependencies.
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///
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/// @param in_pLibraryName
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/// [in] Name for the shared library. This optional parameter can
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/// be specified in case the dynamic library doesn't have an
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/// SO_NAME field. If specified, it will take precedence over
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/// the SO_NAME if it exists. If it is not specified then
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/// the library must have a valid SO_NAME field.
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///
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///@param in_LibrarySearchPath
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/// [in] a path to locate dynamic libraries dependencies for the
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/// library being loaded. If not NULL, this path will override the
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/// environment variable SINK_LD_LIBRARY_PATH. If NULL it will use
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/// SINK_LD_LIBRARY_PATH to locate dependencies.
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///
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/// @param in_Flags
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/// [in] Bitmask of the flags that will be passed in as the dlopen()
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/// "flag" parameter on the sink.
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///
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/// @param out_pLibrary
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/// [out] If COI_SUCCESS or COI_ALREADY_EXISTS is returned, the handle
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/// that uniquely identifies the loaded library.
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///
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/// @return COI_SUCCESS if the library was successfully loaded.
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///
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/// @return COI_INVALID_POINTER if in_pFileName is NULL.
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///
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/// @return COI_DOES_NOT_EXIST if in_pFileName cannot be found.
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///
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/// @return COI_INVALID_FILE if the file is not a valid shared library.
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///
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/// @return COI_MISSING_DEPENDENCY if a dependent library is missing from
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/// either SINK_LD_LIBRARY_PATH or the in_LibrarySearchPath parameter.
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///
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/// @return COI_ARGUMENT_MISMATCH if the shared library is missing an SONAME
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/// and in_pLibraryName is NULL.
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///
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/// @return COI_UNDEFINED_SYMBOL if we are unable to load the library due to
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/// an undefined symbol.
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///
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/// @return COI_ALREADY_EXISTS if there is an existing COILIBRARY handle
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/// that identifies this library, and this COILIBRARY hasn't been
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/// unloaded yet.
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///
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/// @return COI_BINARY_AND_HARDWARE_MISMATCH if the target machine of the
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/// binary or any of its recursive dependencies does not match the
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/// engine associated with Process.
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///
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/// @return COI_NOT_INITIALIZED if setup of remote process on host is not
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/// completed yet.
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///
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COIRESULT
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COIProcessLoadSinkLibraryFromFile(
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const char *in_pFileName,
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const char *in_pLibraryName,
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const char *in_LibrarySearchPath,
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uint32_t in_Flags,
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COILIBRARY *out_pLibrary);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* _COIPROCESS_SINK_H */
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/*! @} */
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