C++ MAYBE_LOCK函数代码示例

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本文整理汇总了C++中MAYBE_LOCK函数的典型用法代码示例。如果您正苦于以下问题：C++ MAYBE_LOCK函数的具体用法？C++ MAYBE_LOCK怎么用？C++ MAYBE_LOCK使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了MAYBE_LOCK函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: dlopen_dlz_destroy

/*
 * Called when bind is shutting down
 */
static void
dlopen_dlz_destroy(void *driverarg, void *dbdata) {
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_mem_t *mctx;

	UNUSED(driverarg);

	if (cd->dlz_destroy) {
		MAYBE_LOCK(cd);
		cd->dlz_destroy(cd->dbdata);
		MAYBE_UNLOCK(cd);
	}

	if (cd->dl_path)
		isc_mem_free(cd->mctx, cd->dl_path);
	if (cd->dlzname)
		isc_mem_free(cd->mctx, cd->dlzname);

#ifdef HAVE_DLCLOSE
	if (cd->dl_handle)
		dlclose(cd->dl_handle);
#endif

	(void) isc_mutex_destroy(&cd->lock);

	mctx = cd->mctx;
	isc_mem_put(mctx, cd, sizeof(*cd));
	isc_mem_destroy(&mctx);
}

开发者ID:crossbuild，项目名称:bind，代码行数:32，代码来源:dlz_dlopen_driver.c

示例2: dlopen_dlz_destroy

/*
 * Called when bind is shutting down
 */
static void
dlopen_dlz_destroy(void *driverarg, void *dbdata) {
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_mem_t *mctx;

	UNUSED(driverarg);

	if (cd->dlz_destroy) {
		MAYBE_LOCK(cd);
		cd->dlz_destroy(cd->dbdata);
		MAYBE_UNLOCK(cd);
	}

	if (cd->dl_path)
		isc_mem_free(cd->mctx, cd->dl_path);
	if (cd->dlzname)
		isc_mem_free(cd->mctx, cd->dlzname);

	if (cd->dl_handle)
		FreeLibrary(cd->dl_handle);

	DESTROYLOCK(&cd->lock);

	mctx = cd->mctx;
	isc_mem_put(mctx, cd, sizeof(*cd));
	isc_mem_destroy(&mctx);
}

开发者ID:GabrielCastro，项目名称:bind，代码行数:30，代码来源:dlz_dlopen_driver.c

示例3: dlopen_dlz_findzonedb

static isc_result_t
dlopen_dlz_findzonedb(void *driverarg, void *dbdata, const char *name)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_result_t result;

	UNUSED(driverarg);

	MAYBE_LOCK(cd);
	result = cd->dlz_findzonedb(cd->dbdata, name);
	MAYBE_UNLOCK(cd);
	return (result);
}

开发者ID:Feechka，项目名称:bind9，代码行数:13，代码来源:dlz_dlopen_driver.c

示例4: dlopen_dlz_lookup

static isc_result_t
dlopen_dlz_lookup(const char *zone, const char *name, void *driverarg,
		  void *dbdata, dns_sdlzlookup_t *lookup)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_result_t result;

	UNUSED(driverarg);

	MAYBE_LOCK(cd);
	result = cd->dlz_lookup(zone, name, cd->dbdata, lookup);
	MAYBE_UNLOCK(cd);
	return (result);
}

开发者ID:Feechka，项目名称:bind9，代码行数:14，代码来源:dlz_dlopen_driver.c

示例5: dlopen_dlz_findzonedb

static isc_result_t
dlopen_dlz_findzonedb(void *driverarg, void *dbdata, const char *name,
		      dns_clientinfomethods_t *methods,
		      dns_clientinfo_t *clientinfo)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_result_t result;

	UNUSED(driverarg);

	MAYBE_LOCK(cd);
	result = cd->dlz_findzonedb(cd->dbdata, name, methods, clientinfo);
	MAYBE_UNLOCK(cd);
	return (result);
}

开发者ID:crossbuild，项目名称:bind，代码行数:15，代码来源:dlz_dlopen_driver.c

示例6: dlopen_dlz_closeversion

/*
 * Called to end a transaction
 */
static void
dlopen_dlz_closeversion(const char *zone, isc_boolean_t commit,
			void *driverarg, void *dbdata, void **versionp)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;

	UNUSED(driverarg);

	if (cd->dlz_newversion == NULL) {
		*versionp = NULL;
		return;
	}

	MAYBE_LOCK(cd);
	cd->dlz_closeversion(zone, commit, cd->dbdata, versionp);
	MAYBE_UNLOCK(cd);
}

开发者ID:crossbuild，项目名称:bind，代码行数:20，代码来源:dlz_dlopen_driver.c

示例7: dlopen_dlz_newversion

/*
 * Called to start a transaction
 */
static isc_result_t
dlopen_dlz_newversion(const char *zone, void *driverarg, void *dbdata,
		      void **versionp)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_result_t result;

	UNUSED(driverarg);

	if (cd->dlz_newversion == NULL)
		return (ISC_R_NOTIMPLEMENTED);

	MAYBE_LOCK(cd);
	result = cd->dlz_newversion(zone, cd->dbdata, versionp);
	MAYBE_UNLOCK(cd);
	return (result);
}

开发者ID:crossbuild，项目名称:bind，代码行数:20，代码来源:dlz_dlopen_driver.c

示例8: dlopen_dlz_delrdataset

/*
  delete a rdataset
 */
static isc_result_t
dlopen_dlz_delrdataset(const char *name, const char *type,
		       void *driverarg, void *dbdata, void *version)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_result_t result;

	UNUSED(driverarg);

	if (cd->dlz_delrdataset == NULL)
		return (ISC_R_NOTIMPLEMENTED);

	MAYBE_LOCK(cd);
	result = cd->dlz_delrdataset(name, type, cd->dbdata, version);
	MAYBE_UNLOCK(cd);

	return (result);
}

开发者ID:crossbuild，项目名称:bind，代码行数:21，代码来源:dlz_dlopen_driver.c

示例9: dlopen_dlz_authority

static isc_result_t
dlopen_dlz_authority(const char *zone, void *driverarg, void *dbdata,
		     dns_sdlzlookup_t *lookup)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_result_t result;

	UNUSED(driverarg);

	if (cd->dlz_authority == NULL) {
		return (ISC_R_NOTIMPLEMENTED);
	}

	MAYBE_LOCK(cd);
	result = cd->dlz_authority(zone, cd->dbdata, lookup);
	MAYBE_UNLOCK(cd);
	return (result);
}

开发者ID:crossbuild，项目名称:bind，代码行数:18，代码来源:dlz_dlopen_driver.c

示例10: dlopen_dlz_configure

/*
 * Called on startup to configure any writeable zones
 */
static isc_result_t
dlopen_dlz_configure(dns_view_t *view, void *driverarg, void *dbdata) {
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_result_t result;

	UNUSED(driverarg);

	if (cd->dlz_configure == NULL)
		return (ISC_R_SUCCESS);

	MAYBE_LOCK(cd);
	cd->in_configure = ISC_TRUE;
	result = cd->dlz_configure(view, cd->dbdata);
	cd->in_configure = ISC_FALSE;
	MAYBE_UNLOCK(cd);

	return (result);
}

开发者ID:Feechka，项目名称:bind9，代码行数:21，代码来源:dlz_dlopen_driver.c

示例11: dlopen_dlz_allnodes

static isc_result_t
dlopen_dlz_allnodes(const char *zone, void *driverarg, void *dbdata,
		    dns_sdlzallnodes_t *allnodes)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_result_t result;


	UNUSED(driverarg);

	if (cd->dlz_allnodes == NULL) {
		return (ISC_R_NOPERM);
	}

	MAYBE_LOCK(cd);
	result = cd->dlz_allnodes(zone, cd->dbdata, allnodes);
	MAYBE_UNLOCK(cd);
	return (result);
}

开发者ID:crossbuild，项目名称:bind，代码行数:19，代码来源:dlz_dlopen_driver.c

示例12: dlopen_dlz_allowzonexfr

static isc_result_t
dlopen_dlz_allowzonexfr(void *driverarg, void *dbdata, const char *name,
			const char *client)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_result_t result;

	UNUSED(driverarg);


	if (cd->dlz_allowzonexfr == NULL) {
		return (ISC_R_NOPERM);
	}

	MAYBE_LOCK(cd);
	result = cd->dlz_allowzonexfr(cd->dbdata, name, client);
	MAYBE_UNLOCK(cd);
	return (result);
}

开发者ID:crossbuild，项目名称:bind，代码行数:19，代码来源:dlz_dlopen_driver.c

示例13: dlopen_dlz_ssumatch

/*
 * Check for authority to change a name
 */
static isc_boolean_t
dlopen_dlz_ssumatch(const char *signer, const char *name, const char *tcpaddr,
		    const char *type, const char *key, isc_uint32_t keydatalen,
		    unsigned char *keydata, void *driverarg, void *dbdata)
{
	dlopen_data_t *cd = (dlopen_data_t *) dbdata;
	isc_boolean_t ret;

	UNUSED(driverarg);

	if (cd->dlz_ssumatch == NULL)
		return (ISC_FALSE);

	MAYBE_LOCK(cd);
	ret = cd->dlz_ssumatch(signer, name, tcpaddr, type, key, keydatalen,
			       keydata, cd->dbdata);
	MAYBE_UNLOCK(cd);

	return (ret);
}

开发者ID:crossbuild，项目名称:bind，代码行数:23，代码来源:dlz_dlopen_driver.c

示例14: dlopen_dlz_create


//.........这里部分代码省略.........
		goto failed;
	}

	/* Find the symbols */
	cd->dlz_version = (dlz_dlopen_version_t *)
		dl_load_symbol(cd, "dlz_version", ISC_TRUE);
	cd->dlz_create = (dlz_dlopen_create_t *)
		dl_load_symbol(cd, "dlz_create", ISC_TRUE);
	cd->dlz_lookup = (dlz_dlopen_lookup_t *)
		dl_load_symbol(cd, "dlz_lookup", ISC_TRUE);
	cd->dlz_findzonedb = (dlz_dlopen_findzonedb_t *)
		dl_load_symbol(cd, "dlz_findzonedb", ISC_TRUE);

	if (cd->dlz_create == NULL ||
	    cd->dlz_version == NULL ||
	    cd->dlz_lookup == NULL ||
	    cd->dlz_findzonedb == NULL)
	{
		/* We're missing a required symbol */
		result = ISC_R_FAILURE;
		goto failed;
	}

	cd->dlz_allowzonexfr = (dlz_dlopen_allowzonexfr_t *)
		dl_load_symbol(cd, "dlz_allowzonexfr", ISC_FALSE);
	cd->dlz_allnodes = (dlz_dlopen_allnodes_t *)
		dl_load_symbol(cd, "dlz_allnodes",
			       ISC_TF(cd->dlz_allowzonexfr != NULL));
	cd->dlz_authority = (dlz_dlopen_authority_t *)
		dl_load_symbol(cd, "dlz_authority", ISC_FALSE);
	cd->dlz_newversion = (dlz_dlopen_newversion_t *)
		dl_load_symbol(cd, "dlz_newversion", ISC_FALSE);
	cd->dlz_closeversion = (dlz_dlopen_closeversion_t *)
		dl_load_symbol(cd, "dlz_closeversion",
			       ISC_TF(cd->dlz_newversion != NULL));
	cd->dlz_configure = (dlz_dlopen_configure_t *)
		dl_load_symbol(cd, "dlz_configure", ISC_FALSE);
	cd->dlz_ssumatch = (dlz_dlopen_ssumatch_t *)
		dl_load_symbol(cd, "dlz_ssumatch", ISC_FALSE);
	cd->dlz_addrdataset = (dlz_dlopen_addrdataset_t *)
		dl_load_symbol(cd, "dlz_addrdataset", ISC_FALSE);
	cd->dlz_subrdataset = (dlz_dlopen_subrdataset_t *)
		dl_load_symbol(cd, "dlz_subrdataset", ISC_FALSE);
	cd->dlz_delrdataset = (dlz_dlopen_delrdataset_t *)
		dl_load_symbol(cd, "dlz_delrdataset", ISC_FALSE);
	cd->dlz_destroy = (dlz_dlopen_destroy_t *)
		dl_load_symbol(cd, "dlz_destroy", ISC_FALSE);

	/* Check the version of the API is the same */
	cd->version = cd->dlz_version(&cd->flags);
	if (cd->version < (DLZ_DLOPEN_VERSION - DLZ_DLOPEN_AGE) ||
	    cd->version > DLZ_DLOPEN_VERSION)
	{
		dlopen_log(ISC_LOG_ERROR,
			   "dlz_dlopen: %s: incorrect driver API version %d, "
			   "requires %d",
			   cd->dl_path, cd->version, DLZ_DLOPEN_VERSION);
		result = ISC_R_FAILURE;
		goto failed;
	}

	/*
	 * Call the library's create function. Note that this is an
	 * extended version of dlz create, with the addition of
	 * named function pointers for helper functions that the
	 * driver will need. This avoids the need for the backend to
	 * link the BIND9 libraries
	 */
	MAYBE_LOCK(cd);
	result = cd->dlz_create(dlzname, argc-1, argv+1,
				&cd->dbdata,
				"log", dlopen_log,
				"putrr", dns_sdlz_putrr,
				"putnamedrr", dns_sdlz_putnamedrr,
				"writeable_zone", dns_dlz_writeablezone,
				NULL);
	MAYBE_UNLOCK(cd);
	if (result != ISC_R_SUCCESS)
		goto failed;

	*dbdata = cd;

	return (ISC_R_SUCCESS);

failed:
	dlopen_log(ISC_LOG_ERROR, "dlz_dlopen of '%s' failed", dlzname);
	if (cd->dl_path != NULL)
		isc_mem_free(mctx, cd->dl_path);
	if (cd->dlzname != NULL)
		isc_mem_free(mctx, cd->dlzname);
	if (dlopen_flags != 0)
		(void) isc_mutex_destroy(&cd->lock);
#ifdef HAVE_DLCLOSE
	if (cd->dl_handle)
		dlclose(cd->dl_handle);
#endif
	isc_mem_put(mctx, cd, sizeof(*cd));
	isc_mem_destroy(&mctx);
	return (result);
}

开发者ID:crossbuild，项目名称:bind，代码行数:101，代码来源:dlz_dlopen_driver.c

示例15: dlopen_dlz_create


//.........这里部分代码省略.........

	/* Open the library */
	cd->dl_handle = LoadLibraryA(cd->dl_path);
	if (cd->dl_handle == NULL) {
		unsigned int error = GetLastError();

		dlopen_log(ISC_LOG_ERROR,
			   "dlz_dlopen failed to open library '%s' - %u",
			   cd->dl_path, error);
		goto failed;
	}

	/* Find the symbols */
	cd->dlz_version = (dlz_dlopen_version_t *)
		dl_load_symbol(cd, "dlz_version", ISC_TRUE);
	cd->dlz_create = (dlz_dlopen_create_t *)
		dl_load_symbol(cd, "dlz_create", ISC_TRUE);
	cd->dlz_lookup = (dlz_dlopen_lookup_t *)
		dl_load_symbol(cd, "dlz_lookup", ISC_TRUE);
	cd->dlz_findzonedb = (dlz_dlopen_findzonedb_t *)
		dl_load_symbol(cd, "dlz_findzonedb", ISC_TRUE);

	if (cd->dlz_create == NULL ||
	    cd->dlz_lookup == NULL ||
	    cd->dlz_findzonedb == NULL)
	{
		/* We're missing a required symbol */
		goto failed;
	}

	cd->dlz_allowzonexfr = (dlz_dlopen_allowzonexfr_t *)
		dl_load_symbol(cd, "dlz_allowzonexfr", ISC_FALSE);
	cd->dlz_allnodes = (dlz_dlopen_allnodes_t *)
		dl_load_symbol(cd, "dlz_allnodes",
			       ISC_TF(cd->dlz_allowzonexfr != NULL));
	cd->dlz_authority = (dlz_dlopen_authority_t *)
		dl_load_symbol(cd, "dlz_authority", ISC_FALSE);
	cd->dlz_newversion = (dlz_dlopen_newversion_t *)
		dl_load_symbol(cd, "dlz_newversion", ISC_FALSE);
	cd->dlz_closeversion = (dlz_dlopen_closeversion_t *)
		dl_load_symbol(cd, "dlz_closeversion",
			       ISC_TF(cd->dlz_newversion != NULL));
	cd->dlz_configure = (dlz_dlopen_configure_t *)
		dl_load_symbol(cd, "dlz_configure", ISC_FALSE);
	cd->dlz_ssumatch = (dlz_dlopen_ssumatch_t *)
		dl_load_symbol(cd, "dlz_ssumatch", ISC_FALSE);
	cd->dlz_addrdataset = (dlz_dlopen_addrdataset_t *)
		dl_load_symbol(cd, "dlz_addrdataset", ISC_FALSE);
	cd->dlz_subrdataset = (dlz_dlopen_subrdataset_t *)
		dl_load_symbol(cd, "dlz_subrdataset", ISC_FALSE);
	cd->dlz_delrdataset = (dlz_dlopen_delrdataset_t *)
		dl_load_symbol(cd, "dlz_delrdataset", ISC_FALSE);

	/* Check the version of the API is the same */
	cd->version = cd->dlz_version(&cd->flags);
	if (cd->version != DLZ_DLOPEN_VERSION) {
		dlopen_log(ISC_LOG_ERROR,
			   "dlz_dlopen: incorrect version %d "
			   "should be %d in '%s'",
			   cd->version, DLZ_DLOPEN_VERSION, cd->dl_path);
		goto failed;
	}

	/*
	 * Call the library's create function. Note that this is an
	 * extended version of dlz create, with the addition of
	 * named function pointers for helper functions that the
	 * driver will need. This avoids the need for the backend to
	 * link the BIND9 libraries
	 */
	MAYBE_LOCK(cd);
	result = cd->dlz_create(dlzname, argc-1, argv+1,
				&cd->dbdata,
				"log", dlopen_log,
				"putrr", dns_sdlz_putrr,
				"putnamedrr", dns_sdlz_putnamedrr,
				"writeable_zone", dns_dlz_writeablezone,
				NULL);
	MAYBE_UNLOCK(cd);
	if (result != ISC_R_SUCCESS)
		goto failed;

	*dbdata = cd;

	return (ISC_R_SUCCESS);

failed:
	dlopen_log(ISC_LOG_ERROR, "dlz_dlopen of '%s' failed", dlzname);
	if (cd->dl_path)
		isc_mem_free(mctx, cd->dl_path);
	if (cd->dlzname)
		isc_mem_free(mctx, cd->dlzname);
	if (triedload)
		(void) isc_mutex_destroy(&cd->lock);
	if (cd->dl_handle)
		FreeLibrary(cd->dl_handle);
	isc_mem_put(mctx, cd, sizeof(*cd));
	isc_mem_destroy(&mctx);
	return (result);
}

开发者ID:Feechka，项目名称:bind9，代码行数:101，代码来源:dlz_dlopen_driver.c

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