add start of zap_dso abstraction

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@514 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Michael Jerris 2008-08-27 17:51:05 +00:00
parent d36e174cda
commit b5a23ffa69
3 changed files with 120 additions and 2 deletions

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@ -42,7 +42,7 @@
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="../src/include;../src/isdn/include"
PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
PreprocessorDefinitions="WIN32;_DEBUG;_LIB;_CRT_SECURE_NO_WARNINGS"
MinimalRebuild="true"
BasicRuntimeChecks="3"
RuntimeLibrary="3"
@ -110,7 +110,7 @@
<Tool
Name="VCCLCompilerTool"
AdditionalIncludeDirectories="../src/include;../src/isdn/include"
PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_CRT_SECURE_NO_WARNINGS"
RuntimeLibrary="2"
DisableLanguageExtensions="false"
RuntimeTypeInfo="false"
@ -471,6 +471,10 @@
RelativePath="..\src\zap_config.c"
>
</File>
<File
RelativePath="..\src\zap_dso.c"
>
</File>
<File
RelativePath="..\src\zap_io.c"
>
@ -533,6 +537,10 @@
RelativePath="..\src\include\zap_config.h"
>
</File>
<File
RelativePath="..\src\include\zap_dso.h"
>
</File>
<File
RelativePath="..\src\include\zap_threadmutex.h"
>

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@ -0,0 +1,44 @@
/*
* Cross Platform dso/dll load abstraction
* Copyright(C) 2008 Michael Jerris
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so.
*
* This work is provided under this license on an "as is" basis, without warranty of any kind,
* either expressed or implied, including, without limitation, warranties that the covered code
* is free of defects, merchantable, fit for a particular purpose or non-infringing. The entire
* risk as to the quality and performance of the covered code is with you. Should any covered
* code prove defective in any respect, you (not the initial developer or any other contributor)
* assume the cost of any necessary servicing, repair or correction. This disclaimer of warranty
* constitutes an essential part of this license. No use of any covered code is authorized hereunder
* except under this disclaimer.
*
*/
#ifndef _ZAP_DSO_H
#define _ZAP_DSO_H
typedef void (*zap_func_ptr_t) (void);
typedef void * zap_dso_lib_t;
void zap_dso_destroy(zap_dso_lib_t *lib);
zap_dso_lib_t zap_dso_open(const char *path, const char **err);
zap_func_ptr_t zap_dso_func_sym(zap_dso_lib_t lib, const char *sym, const char **err);
#endif
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4
*/

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@ -0,0 +1,66 @@
/*
* Cross Platform dso/dll load abstraction
* Copyright(C) 2008 Michael Jerris
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so.
*
* This work is provided under this license on an "as is" basis, without warranty of any kind,
* either expressed or implied, including, without limitation, warranties that the covered code
* is free of defects, merchantable, fit for a particular purpose or non-infringing. The entire
* risk as to the quality and performance of the covered code is with you. Should any covered
* code prove defective in any respect, you (not the initial developer or any other contributor)
* assume the cost of any necessary servicing, repair or correction. This disclaimer of warranty
* constitutes an essential part of this license. No use of any covered code is authorized hereunder
* except under this disclaimer.
*
*/
/*
** {========================================================================
** This is an implementation of loadlib based on the dlfcn interface.
** The dlfcn interface is available in Linux, SunOS, Solaris, IRIX, FreeBSD,
** NetBSD, AIX 4.2, HPUX 11, and probably most other Unix flavors, at least
** as an emulation layer on top of native functions.
** =========================================================================
*/
#include <dlfcn.h>
void zap_dso_destroy(zap_dso_lib_t *lib) {
if (lib) {
dlclose(lib);
lib = NULL;
}
}
zap_dso_lib_t zap_dso_open(const char *path, const char **err) {
void *lib = dlopen(path, RTLD_NOW | RTLD_LOCAL);
if (lib == NULL) {
*err = strdup(dlerror());
}
return lib;
}
zap_func_ptr_t zap_dso_func_sym(zap_dso_lib_t lib, const char *sym, const char **err) {
zap_dso_lib_t func = (zap_dso_lib_t)dlsym(lib, sym);
if (!func) {
*err = strdup(dlerror());
}
return func;
}
/* }====================================================== */
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4
*/