xref: /freebsd/lib/libc/rpc/mt_misc.c (revision 1b6c76a2fe091c74f08427e6c870851025a9cf67)
1 /*	$NetBSD: mt_misc.c,v 1.1 2000/06/02 23:11:11 fvdl Exp $	*/
2 /*	$FreeBSD$ */
3 
4 /* #pragma ident	"@(#)mt_misc.c	1.24	93/04/29 SMI" */
5 
6 #include "namespace.h"
7 #include "reentrant.h"
8 #include <rpc/rpc.h>
9 #include <sys/time.h>
10 #include <stdlib.h>
11 #include "un-namespace.h"
12 
13 /* protects the services list (svc.c) */
14 pthread_rwlock_t	svc_lock = PTHREAD_RWLOCK_INITIALIZER;
15 
16 /* protects svc_fdset and the xports[] array */
17 pthread_rwlock_t	svc_fd_lock = PTHREAD_RWLOCK_INITIALIZER;
18 
19 /* protects the RPCBIND address cache */
20 pthread_rwlock_t	rpcbaddr_cache_lock = PTHREAD_RWLOCK_INITIALIZER;
21 
22 /* protects authdes cache (svcauth_des.c) */
23 pthread_mutex_t	authdes_lock = PTHREAD_MUTEX_INITIALIZER;
24 
25 /* serializes authdes ops initializations */
26 pthread_mutex_t authdes_ops_lock = PTHREAD_MUTEX_INITIALIZER;
27 
28 /* protects des stats list */
29 pthread_mutex_t svcauthdesstats_lock = PTHREAD_MUTEX_INITIALIZER;
30 
31 #ifdef KERBEROS
32 /* auth_kerb.c serialization */
33 pthread_mutex_t authkerb_lock = PTHREAD_MUTEX_INITIALIZER;
34 /* protects kerb stats list */
35 pthread_mutex_t svcauthkerbstats_lock = PTHREAD_MUTEX_INITIALIZER;
36 #endif /* KERBEROS */
37 
38 /* auth_none.c serialization */
39 pthread_mutex_t	authnone_lock = PTHREAD_MUTEX_INITIALIZER;
40 
41 /* protects the Auths list (svc_auth.c) */
42 pthread_mutex_t	authsvc_lock = PTHREAD_MUTEX_INITIALIZER;
43 
44 /* protects client-side fd lock array */
45 pthread_mutex_t	clnt_fd_lock = PTHREAD_MUTEX_INITIALIZER;
46 
47 /* clnt_raw.c serialization */
48 pthread_mutex_t	clntraw_lock = PTHREAD_MUTEX_INITIALIZER;
49 
50 /* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */
51 pthread_mutex_t	dname_lock = PTHREAD_MUTEX_INITIALIZER;
52 
53 /* dupreq variables (svc_dg.c) */
54 pthread_mutex_t	dupreq_lock = PTHREAD_MUTEX_INITIALIZER;
55 
56 /* protects first_time and hostname (key_call.c) */
57 pthread_mutex_t	keyserv_lock = PTHREAD_MUTEX_INITIALIZER;
58 
59 /* serializes rpc_trace() (rpc_trace.c) */
60 pthread_mutex_t	libnsl_trace_lock = PTHREAD_MUTEX_INITIALIZER;
61 
62 /* loopnconf (rpcb_clnt.c) */
63 pthread_mutex_t	loopnconf_lock = PTHREAD_MUTEX_INITIALIZER;
64 
65 /* serializes ops initializations */
66 pthread_mutex_t	ops_lock = PTHREAD_MUTEX_INITIALIZER;
67 
68 /* protects ``port'' static in bindresvport() */
69 pthread_mutex_t	portnum_lock = PTHREAD_MUTEX_INITIALIZER;
70 
71 /* protects proglst list (svc_simple.c) */
72 pthread_mutex_t	proglst_lock = PTHREAD_MUTEX_INITIALIZER;
73 
74 /* serializes clnt_com_create() (rpc_soc.c) */
75 pthread_mutex_t	rpcsoc_lock = PTHREAD_MUTEX_INITIALIZER;
76 
77 /* svc_raw.c serialization */
78 pthread_mutex_t	svcraw_lock = PTHREAD_MUTEX_INITIALIZER;
79 
80 /* protects TSD key creation */
81 pthread_mutex_t	tsd_lock = PTHREAD_MUTEX_INITIALIZER;
82 
83 /* xprtlist (svc_generic.c) */
84 pthread_mutex_t	xprtlist_lock = PTHREAD_MUTEX_INITIALIZER;
85 
86 /* serializes calls to public key routines */
87 pthread_mutex_t serialize_pkey = PTHREAD_MUTEX_INITIALIZER;
88 
89 #undef	rpc_createerr
90 
91 struct rpc_createerr rpc_createerr;
92 
93 struct rpc_createerr *
94 __rpc_createerr()
95 {
96 	static thread_key_t rce_key = 0;
97 	struct rpc_createerr *rce_addr = 0;
98 
99 	if (thr_main())
100 		return (&rpc_createerr);
101 	if ((rce_addr =
102 	    (struct rpc_createerr *)thr_getspecific(rce_key)) != 0) {
103 		mutex_lock(&tsd_lock);
104 		if (thr_keycreate(&rce_key, free) != 0) {
105 			mutex_unlock(&tsd_lock);
106 			return (&rpc_createerr);
107 		}
108 		mutex_unlock(&tsd_lock);
109 	}
110 	if (!rce_addr) {
111 		rce_addr = (struct rpc_createerr *)
112 			malloc(sizeof (struct rpc_createerr));
113 		if (thr_setspecific(rce_key, (void *) rce_addr) != 0) {
114 			if (rce_addr)
115 				free(rce_addr);
116 			return (&rpc_createerr);
117 		}
118 		memset(rce_addr, 0, sizeof (struct rpc_createerr));
119 		return (rce_addr);
120 	}
121 	return (rce_addr);
122 }
123