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Diffstat (limited to 'lib/libc/include/nscache.h')
-rw-r--r-- | lib/libc/include/nscache.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/lib/libc/include/nscache.h b/lib/libc/include/nscache.h deleted file mode 100644 index 015c4ec..0000000 --- a/lib/libc/include/nscache.h +++ /dev/null @@ -1,197 +0,0 @@ -/*- - * Copyright (c) 2005 Michael Bushkov <bushman@rsu.ru> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#ifndef __NS_CACHE_H__ -#define __NS_CACHE_H__ - -#include "nscachedcli.h" - -typedef int (*nss_cache_id_func_t)(char *, size_t *, va_list, void *); -typedef int (*nss_cache_marshal_func_t)(char *, size_t *, void *, va_list, - void *); -typedef int (*nss_cache_unmarshal_func_t)(char *, size_t, void *, va_list, - void *); - -typedef void (*nss_set_mp_ws_func_t)(cached_mp_write_session); -typedef cached_mp_write_session (*nss_get_mp_ws_func_t)(void); - -typedef void (*nss_set_mp_rs_func_t)(cached_mp_read_session); -typedef cached_mp_read_session (*nss_get_mp_rs_func_t)(void); - -typedef struct _nss_cache_info { - char *entry_name; - void *mdata; - - /* - * These 3 functions should be implemented specifically for each - * nsswitch database. - */ - nss_cache_id_func_t id_func; /* marshals the request parameters */ - nss_cache_marshal_func_t marshal_func; /* marshals response */ - nss_cache_unmarshal_func_t unmarshal_func; /* unmarshals response */ - - /* - * These 4 functions should be generated with NSS_MP_CACHE_HANDLING - * macro. - */ - nss_set_mp_ws_func_t set_mp_ws_func; /* sets current write session */ - nss_get_mp_ws_func_t get_mp_ws_func; /* gets current write session */ - - nss_set_mp_rs_func_t set_mp_rs_func; /* sets current read session */ - nss_get_mp_rs_func_t get_mp_rs_func; /* gets current read session */ -} nss_cache_info; - -/* - * NSS_MP_CACHE_HANDLING implements the set_mp_ws, get_mp_ws, set_mp_rs, - * get_mp_rs functions, that are used in _nss_cache_info. It uses - * NSS_TLS_HANDLING macro to organize thread local storage. - */ -#define NSS_MP_CACHE_HANDLING(name) \ -struct name##_mp_state { \ - cached_mp_write_session mp_write_session; \ - cached_mp_read_session mp_read_session; \ -}; \ - \ -static void \ -name##_mp_endstate(void *s) { \ - struct name##_mp_state *mp_state; \ - \ - mp_state = (struct name##_mp_state *)s; \ - if (mp_state->mp_write_session != INVALID_CACHED_MP_WRITE_SESSION)\ - __abandon_cached_mp_write_session(mp_state->mp_write_session);\ - \ - if (mp_state->mp_read_session != INVALID_CACHED_MP_READ_SESSION)\ - __close_cached_mp_read_session(mp_state->mp_read_session);\ -} \ -NSS_TLS_HANDLING(name##_mp); \ - \ -static void \ -name##_set_mp_ws(cached_mp_write_session ws) \ -{ \ - struct name##_mp_state *mp_state; \ - int res; \ - \ - res = name##_mp_getstate(&mp_state); \ - if (res != 0) \ - return; \ - \ - mp_state->mp_write_session = ws; \ -} \ - \ -static cached_mp_write_session \ -name##_get_mp_ws(void) \ -{ \ - struct name##_mp_state *mp_state; \ - int res; \ - \ - res = name##_mp_getstate(&mp_state); \ - if (res != 0) \ - return (INVALID_CACHED_MP_WRITE_SESSION); \ - \ - return (mp_state->mp_write_session); \ -} \ - \ -static void \ -name##_set_mp_rs(cached_mp_read_session rs) \ -{ \ - struct name##_mp_state *mp_state; \ - int res; \ - \ - res = name##_mp_getstate(&mp_state); \ - if (res != 0) \ - return; \ - \ - mp_state->mp_read_session = rs; \ -} \ - \ -static cached_mp_read_session \ -name##_get_mp_rs(void) \ -{ \ - struct name##_mp_state *mp_state; \ - int res; \ - \ - res = name##_mp_getstate(&mp_state); \ - if (res != 0) \ - return (INVALID_CACHED_MP_READ_SESSION); \ - \ - return (mp_state->mp_read_session); \ -} - -/* - * These macros should be used to initialize _nss_cache_info structure. For - * multipart queries in setXXXent and getXXXent functions mf and uf - * (marshal function and unmarshal function) should be both NULL. - */ -#define NS_COMMON_CACHE_INFO_INITIALIZER(name, mdata, if, mf, uf) \ - {#name, mdata, if, mf, uf, NULL, NULL, NULL, NULL} -#define NS_MP_CACHE_INFO_INITIALIZER(name, mdata, mf, uf) \ - {#name, mdata, NULL, mf, uf, name##_set_mp_ws, name##_get_mp_ws,\ - name##_set_mp_rs, name##_get_mp_rs } - -/* - * Analog of other XXX_CB macros. Has the pointer to _nss_cache_info - * structure as the only argument. - */ -#define NS_CACHE_CB(cinfo) {NSSRC_CACHE, __nss_cache_handler, (void *)(cinfo) }, - -/* args are: current pointer, current buffer, initial buffer, pointer type */ -#define NS_APPLY_OFFSET(cp, cb, ib, p_type) \ - if ((cp) != NULL) \ - (cp) = (p_type)((char *)(cb) + (size_t)(cp) - (size_t)(ib)) -/* - * Gets new pointer from the marshalled buffer by uisng initial address - * and initial buffer address - */ -#define NS_GET_NEWP(cp, cb, ib) \ - ((char *)(cb) + (size_t)(cp) - (size_t)(ib)) - -typedef struct _nss_cache_data { - char *key; - size_t key_size; - - nss_cache_info const *info; -} nss_cache_data; - -__BEGIN_DECLS -/* dummy function, which is needed to make nss_method_lookup happy */ -extern int __nss_cache_handler(void *, void *, va_list); - -#ifdef _NS_PRIVATE -extern int __nss_common_cache_read(void *, void *, va_list); -extern int __nss_common_cache_write(void *, void *, va_list); -extern int __nss_common_cache_write_negative(void *); - -extern int __nss_mp_cache_read(void *, void *, va_list); -extern int __nss_mp_cache_write(void *, void *, va_list); -extern int __nss_mp_cache_write_submit(void *, void *, va_list); -extern int __nss_mp_cache_end(void *, void *, va_list); -#endif /* _NS_PRIVATE */ - -__END_DECLS - -#endif |