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Generalize framework to register monitoring of files in nscd

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nscd can clear caches when certain files change.  The list of files
was hardcoded so far and worked for nss_files and nss_dns and those
modules which need no monitoring.  nss_db, for instance, has its
own set of files to monitor.  Now the NSS modules themselves can
request that certain files are monitored.
This commit is contained in:
Ulrich Drepper
2011-07-11 14:50:24 -04:00
parent 23bee3e867
commit 319b9ad4bc
12 changed files with 446 additions and 159 deletions
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8
nss/nsswitch.h
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@@ -1,4 +1,4 @@
/* Copyright (C) 1996-1999,2001,2002,2003,2004,2007,2010
/* Copyright (C) 1996-1999,2001,2002,2003,2004,2007,2010,2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -153,8 +153,10 @@ extern void *__nss_lookup_function (service_user *ni, const char *fct_name);
libc_hidden_proto (__nss_lookup_function)
/* Called by NSCD to disable recursive calls. */
extern void __nss_disable_nscd (void);
/* Called by NSCD to disable recursive calls and enable special handling
when used in nscd. */
struct traced_file;
extern void __nss_disable_nscd (void (*) (size_t, struct traced_file *));
typedef int (*db_lookup_function) (service_user **, const char *, const char *,