xref: /freebsd/lib/libc/rpc/mt_misc.c (revision 6af83ee0d2941d18880b6aaa2b4facd1d30c6106)
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 #include <sys/cdefs.h>
5 __FBSDID("$FreeBSD$");
6 
7 #include "namespace.h"
8 #include "reentrant.h"
9 #include <rpc/rpc.h>
10 #include <sys/time.h>
11 #include <stdlib.h>
12 #include <string.h>
13 #include "un-namespace.h"
14 
15 /* protects the services list (svc.c) */
16 pthread_rwlock_t	svc_lock = PTHREAD_RWLOCK_INITIALIZER;
17 
18 /* protects svc_fdset and the xports[] array */
19 pthread_rwlock_t	svc_fd_lock = PTHREAD_RWLOCK_INITIALIZER;
20 
21 /* protects the RPCBIND address cache */
22 pthread_rwlock_t	rpcbaddr_cache_lock = PTHREAD_RWLOCK_INITIALIZER;
23 
24 /* protects authdes cache (svcauth_des.c) */
25 pthread_mutex_t	authdes_lock = PTHREAD_MUTEX_INITIALIZER;
26 
27 /* serializes authdes ops initializations */
28 pthread_mutex_t authdes_ops_lock = PTHREAD_MUTEX_INITIALIZER;
29 
30 /* protects des stats list */
31 pthread_mutex_t svcauthdesstats_lock = PTHREAD_MUTEX_INITIALIZER;
32 
33 #ifdef KERBEROS
34 /* auth_kerb.c serialization */
35 pthread_mutex_t authkerb_lock = PTHREAD_MUTEX_INITIALIZER;
36 /* protects kerb stats list */
37 pthread_mutex_t svcauthkerbstats_lock = PTHREAD_MUTEX_INITIALIZER;
38 #endif /* KERBEROS */
39 
40 /* auth_none.c serialization */
41 pthread_mutex_t	authnone_lock = PTHREAD_MUTEX_INITIALIZER;
42 
43 /* protects the Auths list (svc_auth.c) */
44 pthread_mutex_t	authsvc_lock = PTHREAD_MUTEX_INITIALIZER;
45 
46 /* protects client-side fd lock array */
47 pthread_mutex_t	clnt_fd_lock = PTHREAD_MUTEX_INITIALIZER;
48 
49 /* clnt_raw.c serialization */
50 pthread_mutex_t	clntraw_lock = PTHREAD_MUTEX_INITIALIZER;
51 
52 /* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */
53 pthread_mutex_t	dname_lock = PTHREAD_MUTEX_INITIALIZER;
54 
55 /* dupreq variables (svc_dg.c) */
56 pthread_mutex_t	dupreq_lock = PTHREAD_MUTEX_INITIALIZER;
57 
58 /* protects first_time and hostname (key_call.c) */
59 pthread_mutex_t	keyserv_lock = PTHREAD_MUTEX_INITIALIZER;
60 
61 /* serializes rpc_trace() (rpc_trace.c) */
62 pthread_mutex_t	libnsl_trace_lock = PTHREAD_MUTEX_INITIALIZER;
63 
64 /* loopnconf (rpcb_clnt.c) */
65 pthread_mutex_t	loopnconf_lock = PTHREAD_MUTEX_INITIALIZER;
66 
67 /* serializes ops initializations */
68 pthread_mutex_t	ops_lock = PTHREAD_MUTEX_INITIALIZER;
69 
70 /* protects ``port'' static in bindresvport() */
71 pthread_mutex_t	portnum_lock = PTHREAD_MUTEX_INITIALIZER;
72 
73 /* protects proglst list (svc_simple.c) */
74 pthread_mutex_t	proglst_lock = PTHREAD_MUTEX_INITIALIZER;
75 
76 /* serializes clnt_com_create() (rpc_soc.c) */
77 pthread_mutex_t	rpcsoc_lock = PTHREAD_MUTEX_INITIALIZER;
78 
79 /* svc_raw.c serialization */
80 pthread_mutex_t	svcraw_lock = PTHREAD_MUTEX_INITIALIZER;
81 
82 /* protects TSD key creation */
83 pthread_mutex_t	tsd_lock = PTHREAD_MUTEX_INITIALIZER;
84 
85 /* xprtlist (svc_generic.c) */
86 pthread_mutex_t	xprtlist_lock = PTHREAD_MUTEX_INITIALIZER;
87 
88 /* serializes calls to public key routines */
89 pthread_mutex_t serialize_pkey = PTHREAD_MUTEX_INITIALIZER;
90 
91 #undef	rpc_createerr
92 
93 struct rpc_createerr rpc_createerr;
94 
95 struct 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