/usr/src/build/453252-x86_64/BUILD/apr-util-0.9.4/include/apr_hooks.h
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#ifndef APR_HOOKS_H
00056
#define APR_HOOKS_H
00057
00058
#include "apu.h"
00059
00060
#include "apr_tables.h"
00061
00067
#ifdef __cplusplus
00068
extern "C" {
00069
#endif
00070
00076 #define APR_IMPLEMENT_HOOK_GET_PROTO(ns,link,name) \
00077
link##_DECLARE(apr_array_header_t *) ns##_hook_get_##name(void)
00078
00080 #define APR_DECLARE_EXTERNAL_HOOK(ns,link,ret,name,args) \
00081
typedef ret ns##_HOOK_##name##_t args; \
00082
link##_DECLARE(void) ns##_hook_##name(ns##_HOOK_##name##_t *pf, \
00083
const char * const *aszPre, \
00084
const char * const *aszSucc, int nOrder); \
00085
link##_DECLARE(ret) ns##_run_##name args; \
00086
APR_IMPLEMENT_HOOK_GET_PROTO(ns,link,name); \
00087
typedef struct ns##_LINK_##name##_t \
00088
{ \
00089
ns##_HOOK_##name##_t *pFunc; \
00090
const char *szName; \
00091
const char * const *aszPredecessors; \
00092
const char * const *aszSuccessors; \
00093
int nOrder; \
00094
} ns##_LINK_##name##_t;
00095
00097 #define APR_HOOK_STRUCT(members) \
00098
static struct { members } _hooks;
00099
00101 #define APR_HOOK_LINK(name) \
00102
apr_array_header_t *link_##name;
00103
00105 #define APR_IMPLEMENT_EXTERNAL_HOOK_BASE(ns,link,name) \
00106
link##_DECLARE(void) ns##_hook_##name(ns##_HOOK_##name##_t *pf,const char * const *aszPre, \
00107
const char * const *aszSucc,int nOrder) \
00108
{ \
00109
ns##_LINK_##name##_t *pHook; \
00110
if(!_hooks.link_##name) \
00111
{ \
00112
_hooks.link_##name=apr_array_make(apr_hook_global_pool,1,sizeof(ns##_LINK_##name##_t)); \
00113
apr_hook_sort_register(#name,&_hooks.link_##name); \
00114
} \
00115
pHook=apr_array_push(_hooks.link_##name); \
00116
pHook->pFunc=pf; \
00117
pHook->aszPredecessors=aszPre; \
00118
pHook->aszSuccessors=aszSucc; \
00119
pHook->nOrder=nOrder; \
00120
pHook->szName=apr_hook_debug_current; \
00121
if(apr_hook_debug_enabled) \
00122
apr_hook_debug_show(#name,aszPre,aszSucc); \
00123
} \
00124
APR_IMPLEMENT_HOOK_GET_PROTO(ns,link,name) \
00125
{ \
00126
return _hooks.link_##name; \
00127
}
00128
00141 #define APR_IMPLEMENT_EXTERNAL_HOOK_VOID(ns,link,name,args_decl,args_use) \
00142
APR_IMPLEMENT_EXTERNAL_HOOK_BASE(ns,link,name) \
00143
link##_DECLARE(void) ns##_run_##name args_decl \
00144
{ \
00145
ns##_LINK_##name##_t *pHook; \
00146
int n; \
00147
\
00148
if(!_hooks.link_##name) \
00149
return; \
00150
\
00151
pHook=(ns##_LINK_##name##_t *)_hooks.link_##name->elts; \
00152
for(n=0 ; n < _hooks.link_##name->nelts ; ++n) \
00153
pHook[n].pFunc args_use; \
00154
}
00155
00156
00157
00158
00174 #define APR_IMPLEMENT_EXTERNAL_HOOK_RUN_ALL(ns,link,ret,name,args_decl,args_use,ok,decline) \
00175
APR_IMPLEMENT_EXTERNAL_HOOK_BASE(ns,link,name) \
00176
link##_DECLARE(ret) ns##_run_##name args_decl \
00177
{ \
00178
ns##_LINK_##name##_t *pHook; \
00179
int n; \
00180
ret rv; \
00181
\
00182
if(!_hooks.link_##name) \
00183
return ok; \
00184
\
00185
pHook=(ns##_LINK_##name##_t *)_hooks.link_##name->elts; \
00186
for(n=0 ; n < _hooks.link_##name->nelts ; ++n) \
00187
{ \
00188
rv=pHook[n].pFunc args_use; \
00189
\
00190
if(rv != ok && rv != decline) \
00191
return rv; \
00192
} \
00193
return ok; \
00194
}
00195
00196
00211 #define APR_IMPLEMENT_EXTERNAL_HOOK_RUN_FIRST(ns,link,ret,name,args_decl,args_use,decline) \
00212
APR_IMPLEMENT_EXTERNAL_HOOK_BASE(ns,link,name) \
00213
link##_DECLARE(ret) ns##_run_##name args_decl \
00214
{ \
00215
ns##_LINK_##name##_t *pHook; \
00216
int n; \
00217
ret rv; \
00218
\
00219
if(!_hooks.link_##name) \
00220
return decline; \
00221
\
00222
pHook=(ns##_LINK_##name##_t *)_hooks.link_##name->elts; \
00223
for(n=0 ; n < _hooks.link_##name->nelts ; ++n) \
00224
{ \
00225
rv=pHook[n].pFunc args_use; \
00226
\
00227
if(rv != decline) \
00228
return rv; \
00229
} \
00230
return decline; \
00231
}
00232
00233
00235 #define APR_HOOK_REALLY_FIRST (-10)
00236
00237 #define APR_HOOK_FIRST 0
00238
00239 #define APR_HOOK_MIDDLE 10
00240
00241 #define APR_HOOK_LAST 20
00242
00243 #define APR_HOOK_REALLY_LAST 30
00244
00248
APU_DECLARE_DATA extern apr_pool_t *
apr_hook_global_pool;
00249
00251
APU_DECLARE_DATA extern apr_pool_t *
apr_global_hook_pool;
00252
00257
APU_DECLARE_DATA extern int apr_hook_debug_enabled;
00258
00260
APU_DECLARE_DATA extern int apr_debug_module_hooks;
00261
00265
APU_DECLARE_DATA extern const char *
apr_hook_debug_current;
00266
00268
APU_DECLARE_DATA extern const char *
apr_current_hooking_module;
00269
00275
APU_DECLARE(
void) apr_hook_sort_register(const
char *szHookName,
00276 apr_array_header_t **aHooks);
00280 APU_DECLARE(
void) apr_hook_sort_all(
void);
00281
00283 APU_DECLARE(
void) apr_sort_hooks(
void);
00284
00292 APU_DECLARE(
void) apr_hook_debug_show(const
char *szName,
00293 const
char * const *aszPre,
00294 const
char * const *aszSucc);
00295
00297 APU_DECLARE(
void) apr_show_hook(const
char *szName,
00298 const
char * const *aszPre,
00299 const
char * const *aszSucc);
00300
00304 APU_DECLARE(
void) apr_hook_deregister_all(
void);
00305
00307 #ifdef __cplusplus
00308 }
00309 #endif
00310
00311 #endif
Generated on Fri Sep 17 06:23:28 2004 for Apache Portable Runtime Utility Library by
1.3.8