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author | 2015-11-30 01:45:08 -0500 | |
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committer | 2015-11-30 01:45:08 -0500 | |
commit | e8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch) | |
tree | aa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/srclib/apr-util/include/apr_optional.h | |
parent | cc40af334e619bb549038238507407866f774f8f (diff) |
upload http
JIRA: BOTTLENECK-10
Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr-util/include/apr_optional.h')
-rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr-util/include/apr_optional.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr-util/include/apr_optional.h b/rubbos/app/httpd-2.0.64/srclib/apr-util/include/apr_optional.h new file mode 100644 index 00000000..32e2ac3c --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr-util/include/apr_optional.h @@ -0,0 +1,99 @@ +/* Copyright 2001-2005 The Apache Software Foundation or its licensors, as + * applicable. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef APR_OPTIONAL_H +#define APR_OPTIONAL_H + +#include "apu.h" +/** + * @file apr_optional.h + * @brief APR-UTIL registration of functions exported by modules + */ +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @defgroup APR_Util_Opt Optional Functions + * @ingroup APR_Util + * + * Typesafe registration and retrieval of functions that may not be present + * (i.e. functions exported by optional modules) + * @{ + */ + +/** + * The type of an optional function. + * @param name The name of the function + */ +#define APR_OPTIONAL_FN_TYPE(name) apr_OFN_##name##_t + +/** + * Declare an optional function. + * @param ret The return type of the function + * @param name The name of the function + * @param args The function arguments (including brackets) + */ +#define APR_DECLARE_OPTIONAL_FN(ret,name,args) \ +typedef ret (APR_OPTIONAL_FN_TYPE(name)) args + +/** + * XXX: This doesn't belong here, then! + * Private function! DO NOT USE! + * @internal + */ + +typedef void (apr_opt_fn_t)(void); +/** @internal */ +APU_DECLARE_NONSTD(void) apr_dynamic_fn_register(const char *szName, + apr_opt_fn_t *pfn); + +/** @internal deprecated function, see apr_dynamic_fn_register */ +APU_DECLARE_NONSTD(void) apr_register_optional_fn(const char *szName, + apr_opt_fn_t *pfn); + +/** + * Register an optional function. This can be later retrieved, type-safely, by + * name. Like all global functions, the name must be unique. Note that, + * confusingly but correctly, the function itself can be static! + * @param name The name of the function + */ +#define APR_REGISTER_OPTIONAL_FN(name) do { \ + APR_OPTIONAL_FN_TYPE(name) *apu__opt = name; \ + apr_dynamic_fn_register(#name,(apr_opt_fn_t *)apu__opt); \ +} while (0) + +/** @internal + * Private function! DO NOT USE! + */ +APU_DECLARE(apr_opt_fn_t *) apr_dynamic_fn_retrieve(const char *szName); + +/** @internal deprecated function, see apr_dynamic_fn_retrieve */ +APU_DECLARE(apr_opt_fn_t *) apr_retrieve_optional_fn(const char *szName); + +/** + * Retrieve an optional function. Returns NULL if the function is not present. + * @param name The name of the function + */ +#define APR_RETRIEVE_OPTIONAL_FN(name) \ + (APR_OPTIONAL_FN_TYPE(name) *)apr_dynamic_fn_retrieve(#name) + +/** @} */ +#ifdef __cplusplus +} +#endif + +#endif /* APR_OPTIONAL_H */ |