243 строки
7.1 KiB
C
243 строки
7.1 KiB
C
/*
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* Copyright (c) 2013 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2013 NVIDIA Corporation. All rights reserved.
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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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#include "opal_config.h"
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#include <assert.h>
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#include <stdio.h>
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#include "opal/constants.h"
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#include "opal/util/lt_interface.h"
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#include "opal/util/output.h"
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#if OPAL_WANT_LIBLTDL
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#if OPAL_LIBLTDL_INTERNAL
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#include "opal/libltdl/ltdl.h"
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#else
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#include "ltdl.h"
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#endif
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#endif
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#if OPAL_WANT_LIBLTDL
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struct opal_lt_dlhandle_st {lt_dlhandle dlhandle;};
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struct opal_lt_dladvise_st {lt_dladvise dladvise;};
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#else
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struct opal_lt_dlhandle_st {void *dlhandle;};
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struct opal_lt_dladvise_st {void *dladvise;};
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#endif /* OPAL_WANT_LIBLTDL */
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OPAL_DECLSPEC int opal_lt_dlinit(void)
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{
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#if OPAL_WANT_LIBLTDL
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return lt_dlinit();
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#else /* OPAL_WANT_LIBLTDL */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC int opal_lt_dlexit(void) {
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#if OPAL_WANT_LIBLTDL
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return lt_dlexit();
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#else /* OPAL_WANT_LIBLTDL */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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/* Module search path manipulation. */
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OPAL_DECLSPEC int opal_lt_dladdsearchdir(const char *search_dir) {
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#if OPAL_WANT_LIBLTDL
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return lt_dladdsearchdir(search_dir);
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#else /* OPAL_WANT_LIBLTDL */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC int opal_lt_dlinsertsearchdir(const char *before,
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const char *search_dir) {
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#if OPAL_WANT_LIBLTDL
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return lt_dlinsertsearchdir(before, search_dir);
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#else /* OPAL_WANT_LIBLTDL */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC int opal_lt_dlsetsearchpath(const char *search_path) {
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#if OPAL_WANT_LIBLTDL
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return lt_dlsetsearchpath(search_path);
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#else /* OPAL_WANT_LIBLTDL */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC const char *opal_lt_dlgetsearchpath(void) {
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#if OPAL_WANT_LIBLTDL
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return lt_dlgetsearchpath();
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#else /* OPAL_WANT_LIBLTDL */
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return NULL;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC int opal_lt_dlforeachfile(const char *search_path,
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int (*func) (const char *filename, void *data),
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void *data) {
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#if OPAL_WANT_LIBLTDL
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return lt_dlforeachfile(search_path, func, data);
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#else /* OPAL_WANT_LIBLTDL */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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/* User module loading advisors. */
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OPAL_DECLSPEC int opal_lt_dladvise_init(opal_lt_dladvise *advise) {
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#if OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE
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*advise = malloc(sizeof(struct opal_lt_dladvise_st));
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if (NULL == *advise) {
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return OPAL_ERR_OUT_OF_RESOURCE;
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}
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return lt_dladvise_init(&(*advise)->dladvise);
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#else /* OPAL_WANT_LIBLTDL */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC int opal_lt_dladvise_destroy(opal_lt_dladvise *advise) {
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#if OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE
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int retval = lt_dladvise_destroy(&(*advise)->dladvise);
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free(*advise);
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return retval;
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#else /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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}
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OPAL_DECLSPEC int opal_lt_dladvise_ext(opal_lt_dladvise *advise) {
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#if OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE
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assert(advise);
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return lt_dladvise_ext(&(*advise)->dladvise);
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#else /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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}
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OPAL_DECLSPEC int opal_lt_dladvise_resident(opal_lt_dladvise *advise) {
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#if OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE
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assert(advise);
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return lt_dladvise_resident(&(*advise)->dladvise);
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#else /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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}
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OPAL_DECLSPEC int opal_lt_dladvise_local(opal_lt_dladvise *advise) {
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#if OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE
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assert(advise);
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return lt_dladvise_local(&(*advise)->dladvise);
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#else /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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}
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OPAL_DECLSPEC int opal_lt_dladvise_global(opal_lt_dladvise *advise) {
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#if OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE
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assert(advise);
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return lt_dladvise_global(&(*advise)->dladvise);
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#else /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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}
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OPAL_DECLSPEC int opal_lt_dladvise_preload(opal_lt_dladvise *advise) {
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#if OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE
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assert(advise);
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return lt_dladvise_preload(&(*advise)->dladvise);
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#else /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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return OPAL_ERR_NOT_SUPPORTED;
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#endif /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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}
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/* Portable libltdl versions of the system dlopen() API. */
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OPAL_DECLSPEC opal_lt_dlhandle opal_lt_dlopen(const char *filename) {
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#if OPAL_WANT_LIBLTDL
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opal_lt_dlhandle handle;
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handle = malloc(sizeof(struct opal_lt_dlhandle_st));
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if (NULL == handle) {
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return NULL;
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}
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handle->dlhandle = lt_dlopen(filename);
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if (NULL == handle->dlhandle) {
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free(handle);
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return NULL;
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}
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return handle;
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#else /* OPAL_WANT_LIBLTDL */
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return NULL;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC opal_lt_dlhandle opal_lt_dlopenext(const char *filename) {
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#if OPAL_WANT_LIBLTDL
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opal_lt_dlhandle handle;
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handle = malloc(sizeof(struct opal_lt_dlhandle_st));
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if (NULL == handle) {
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return NULL;
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}
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handle->dlhandle = lt_dlopenext(filename);
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if (NULL == handle->dlhandle) {
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free(handle);
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return NULL;
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}
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return handle;
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#else /* OPAL_WANT_LIBLTDL */
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return NULL;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC void *opal_lt_dlsym(opal_lt_dlhandle handle, const char *name) {
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#if OPAL_WANT_LIBLTDL
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return lt_dlsym(handle->dlhandle, name);
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#else /* OPAL_WANT_LIBLTDL */
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return NULL;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC const char *opal_lt_dlerror(void) {
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#if OPAL_WANT_LIBLTDL
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return lt_dlerror();
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#else /* OPAL_WANT_LIBLTDL */
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return NULL;
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#endif /* OPAL_WANT_LIBLTDL */
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}
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OPAL_DECLSPEC int opal_lt_dlclose(opal_lt_dlhandle handle) {
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#if OPAL_WANT_LIBLTDL
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int retval = lt_dlclose(handle->dlhandle);
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free(handle);
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return retval;
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#else
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return OPAL_ERR_NOT_SUPPORTED;
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#endif
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}
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OPAL_DECLSPEC opal_lt_dlhandle opal_lt_dlopenadvise(const char *filename,
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opal_lt_dladvise advise) {
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#if OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE
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opal_lt_dlhandle handle;
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handle = malloc(sizeof(struct opal_lt_dlhandle_st));
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if (NULL == handle) {
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return NULL;
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}
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handle->dlhandle = lt_dlopenadvise(filename, advise->dladvise);
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if (NULL == handle->dlhandle) {
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free(handle);
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return NULL;
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}
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return handle;
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#else /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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return NULL;
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#endif /* OPAL_WANT_LIBLTDL && OPAL_HAVE_LTDL_ADVISE */
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}
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