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85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*=============================================================================
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VCOS - abstraction over dynamic library opening
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=============================================================================*/
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#ifndef VCOS_DLFCN_H
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#define VCOS_DLFCN_H
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#include "interface/vcos/vcos_types.h"
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#include "vcos.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \file
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*
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* Loading dynamic libraries. See also dlfcn.h.
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*/
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/** Open a dynamic library.
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*
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* @param name name of the library
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* @param mode Load lazily or immediately (VCOS_DL_LAZY, VCOS_DL_NOW, VCOS_DL_LOCAL, VCOS_DL_GLOBAL).
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*
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* @return A handle for use in subsequent calls.
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*/
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VCOSPRE_ void * VCOSPOST_ vcos_dlopen(const char *name, int mode);
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/** Look up a symbol.
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*
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* @param handle Handle to open
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* @param name Name of function
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*
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* @return Function pointer, or NULL.
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*/
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VCOSPRE_ void VCOSPOST_ (*vcos_dlsym(void *handle, const char *name))(void);
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/** Close a library
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*
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* @param handle Handle to close
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*/
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VCOSPRE_ int VCOSPOST_ vcos_dlclose (void *handle);
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/** Return error message from library.
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*
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* @param err On return, set to non-zero if an error has occurred
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* @param buf Buffer to write error to
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* @param len Size of buffer (including terminating NUL).
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*/
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VCOSPRE_ int VCOSPOST_ vcos_dlerror(int *err, char *buf, size_t buflen);
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#ifdef __cplusplus
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}
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#endif
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#endif
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