mt_misc.c revision 92990 
1/*	$NetBSD: mt_misc.c,v 1.1 2000/06/02 23:11:11 fvdl Exp $	*/
2
3/* #pragma ident	"@(#)mt_misc.c	1.24	93/04/29 SMI" */
4
5#include <sys/cdefs.h>
6__FBSDID("$FreeBSD: head/lib/libc/rpc/mt_misc.c 92990 2002-03-22 23:18:37Z obrien $");
7
8#include "namespace.h"
9#include "reentrant.h"
10#include <rpc/rpc.h>
11#include <sys/time.h>
12#include <stdlib.h>
13#include "un-namespace.h"
14
15/* protects the services list (svc.c) */
16pthread_rwlock_t	svc_lock = PTHREAD_RWLOCK_INITIALIZER;
17
18/* protects svc_fdset and the xports[] array */
19pthread_rwlock_t	svc_fd_lock = PTHREAD_RWLOCK_INITIALIZER;
20
21/* protects the RPCBIND address cache */
22pthread_rwlock_t	rpcbaddr_cache_lock = PTHREAD_RWLOCK_INITIALIZER;
23
24/* protects authdes cache (svcauth_des.c) */
25pthread_mutex_t	authdes_lock = PTHREAD_MUTEX_INITIALIZER;
26
27/* serializes authdes ops initializations */
28pthread_mutex_t authdes_ops_lock = PTHREAD_MUTEX_INITIALIZER;
29
30/* protects des stats list */
31pthread_mutex_t svcauthdesstats_lock = PTHREAD_MUTEX_INITIALIZER;
32
33#ifdef KERBEROS
34/* auth_kerb.c serialization */
35pthread_mutex_t authkerb_lock = PTHREAD_MUTEX_INITIALIZER;
36/* protects kerb stats list */
37pthread_mutex_t svcauthkerbstats_lock = PTHREAD_MUTEX_INITIALIZER;
38#endif /* KERBEROS */
39
40/* auth_none.c serialization */
41pthread_mutex_t	authnone_lock = PTHREAD_MUTEX_INITIALIZER;
42
43/* protects the Auths list (svc_auth.c) */
44pthread_mutex_t	authsvc_lock = PTHREAD_MUTEX_INITIALIZER;
45
46/* protects client-side fd lock array */
47pthread_mutex_t	clnt_fd_lock = PTHREAD_MUTEX_INITIALIZER;
48
49/* clnt_raw.c serialization */
50pthread_mutex_t	clntraw_lock = PTHREAD_MUTEX_INITIALIZER;
51
52/* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */
53pthread_mutex_t	dname_lock = PTHREAD_MUTEX_INITIALIZER;
54
55/* dupreq variables (svc_dg.c) */
56pthread_mutex_t	dupreq_lock = PTHREAD_MUTEX_INITIALIZER;
57
58/* protects first_time and hostname (key_call.c) */
59pthread_mutex_t	keyserv_lock = PTHREAD_MUTEX_INITIALIZER;
60
61/* serializes rpc_trace() (rpc_trace.c) */
62pthread_mutex_t	libnsl_trace_lock = PTHREAD_MUTEX_INITIALIZER;
63
64/* loopnconf (rpcb_clnt.c) */
65pthread_mutex_t	loopnconf_lock = PTHREAD_MUTEX_INITIALIZER;
66
67/* serializes ops initializations */
68pthread_mutex_t	ops_lock = PTHREAD_MUTEX_INITIALIZER;
69
70/* protects ``port'' static in bindresvport() */
71pthread_mutex_t	portnum_lock = PTHREAD_MUTEX_INITIALIZER;
72
73/* protects proglst list (svc_simple.c) */
74pthread_mutex_t	proglst_lock = PTHREAD_MUTEX_INITIALIZER;
75
76/* serializes clnt_com_create() (rpc_soc.c) */
77pthread_mutex_t	rpcsoc_lock = PTHREAD_MUTEX_INITIALIZER;
78
79/* svc_raw.c serialization */
80pthread_mutex_t	svcraw_lock = PTHREAD_MUTEX_INITIALIZER;
81
82/* protects TSD key creation */
83pthread_mutex_t	tsd_lock = PTHREAD_MUTEX_INITIALIZER;
84
85/* xprtlist (svc_generic.c) */
86pthread_mutex_t	xprtlist_lock = PTHREAD_MUTEX_INITIALIZER;
87
88/* serializes calls to public key routines */
89pthread_mutex_t serialize_pkey = PTHREAD_MUTEX_INITIALIZER;
90
91#undef	rpc_createerr
92
93struct rpc_createerr rpc_createerr;
94
95struct rpc_createerr *
96__rpc_createerr()
97{
98	static thread_key_t rce_key = 0;
99	struct rpc_createerr *rce_addr = 0;
100
101	if (thr_main())
102		return (&rpc_createerr);
103	if ((rce_addr =
104	    (struct rpc_createerr *)thr_getspecific(rce_key)) != 0) {
105		mutex_lock(&tsd_lock);
106		if (thr_keycreate(&rce_key, free) != 0) {
107			mutex_unlock(&tsd_lock);
108			return (&rpc_createerr);
109		}
110		mutex_unlock(&tsd_lock);
111	}
112	if (!rce_addr) {
113		rce_addr = (struct rpc_createerr *)
114			malloc(sizeof (struct rpc_createerr));
115		if (thr_setspecific(rce_key, (void *) rce_addr) != 0) {
116			if (rce_addr)
117				free(rce_addr);
118			return (&rpc_createerr);
119		}
120		memset(rce_addr, 0, sizeof (struct rpc_createerr));
121		return (rce_addr);
122	}
123	return (rce_addr);
124}
125