xref: /freebsd/lib/libc/rpc/mt_misc.c (revision 2546665afcaf0d53dc2c7058fee96354b3680f5a)
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("$FreeBSD$");
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 <string.h>
14 #include "un-namespace.h"
15 
16 /* protects the services list (svc.c) */
17 pthread_rwlock_t	svc_lock = PTHREAD_RWLOCK_INITIALIZER;
18 
19 /* protects svc_fdset and the xports[] array */
20 pthread_rwlock_t	svc_fd_lock = PTHREAD_RWLOCK_INITIALIZER;
21 
22 /* protects the RPCBIND address cache */
23 pthread_rwlock_t	rpcbaddr_cache_lock = PTHREAD_RWLOCK_INITIALIZER;
24 
25 /* protects authdes cache (svcauth_des.c) */
26 pthread_mutex_t	authdes_lock = PTHREAD_MUTEX_INITIALIZER;
27 
28 /* serializes authdes ops initializations */
29 pthread_mutex_t authdes_ops_lock = PTHREAD_MUTEX_INITIALIZER;
30 
31 /* protects des stats list */
32 pthread_mutex_t svcauthdesstats_lock = PTHREAD_MUTEX_INITIALIZER;
33 
34 #ifdef KERBEROS
35 /* auth_kerb.c serialization */
36 pthread_mutex_t authkerb_lock = PTHREAD_MUTEX_INITIALIZER;
37 /* protects kerb stats list */
38 pthread_mutex_t svcauthkerbstats_lock = PTHREAD_MUTEX_INITIALIZER;
39 #endif /* KERBEROS */
40 
41 /* auth_none.c serialization */
42 pthread_mutex_t	authnone_lock = PTHREAD_MUTEX_INITIALIZER;
43 
44 /* protects the Auths list (svc_auth.c) */
45 pthread_mutex_t	authsvc_lock = PTHREAD_MUTEX_INITIALIZER;
46 
47 /* protects client-side fd lock array */
48 pthread_mutex_t	clnt_fd_lock = PTHREAD_MUTEX_INITIALIZER;
49 
50 /* clnt_raw.c serialization */
51 pthread_mutex_t	clntraw_lock = PTHREAD_MUTEX_INITIALIZER;
52 
53 /* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */
54 pthread_mutex_t	dname_lock = PTHREAD_MUTEX_INITIALIZER;
55 
56 /* dupreq variables (svc_dg.c) */
57 pthread_mutex_t	dupreq_lock = PTHREAD_MUTEX_INITIALIZER;
58 
59 /* protects first_time and hostname (key_call.c) */
60 pthread_mutex_t	keyserv_lock = PTHREAD_MUTEX_INITIALIZER;
61 
62 /* serializes rpc_trace() (rpc_trace.c) */
63 pthread_mutex_t	libnsl_trace_lock = PTHREAD_MUTEX_INITIALIZER;
64 
65 /* loopnconf (rpcb_clnt.c) */
66 pthread_mutex_t	loopnconf_lock = PTHREAD_MUTEX_INITIALIZER;
67 
68 /* serializes ops initializations */
69 pthread_mutex_t	ops_lock = PTHREAD_MUTEX_INITIALIZER;
70 
71 /* protects ``port'' static in bindresvport() */
72 pthread_mutex_t	portnum_lock = PTHREAD_MUTEX_INITIALIZER;
73 
74 /* protects proglst list (svc_simple.c) */
75 pthread_mutex_t	proglst_lock = PTHREAD_MUTEX_INITIALIZER;
76 
77 /* serializes clnt_com_create() (rpc_soc.c) */
78 pthread_mutex_t	rpcsoc_lock = PTHREAD_MUTEX_INITIALIZER;
79 
80 /* svc_raw.c serialization */
81 pthread_mutex_t	svcraw_lock = PTHREAD_MUTEX_INITIALIZER;
82 
83 /* protects TSD key creation */
84 pthread_mutex_t	tsd_lock = PTHREAD_MUTEX_INITIALIZER;
85 
86 /* xprtlist (svc_generic.c) */
87 pthread_mutex_t	xprtlist_lock = PTHREAD_MUTEX_INITIALIZER;
88 
89 /* serializes calls to public key routines */
90 pthread_mutex_t serialize_pkey = PTHREAD_MUTEX_INITIALIZER;
91 
92 #undef	rpc_createerr
93 
94 struct rpc_createerr rpc_createerr;
95 
96 struct rpc_createerr *
97 __rpc_createerr()
98 {
99 	static thread_key_t rce_key = 0;
100 	struct rpc_createerr *rce_addr = 0;
101 
102 	if (thr_main())
103 		return (&rpc_createerr);
104 	if ((rce_addr =
105 	    (struct rpc_createerr *)thr_getspecific(rce_key)) != 0) {
106 		mutex_lock(&tsd_lock);
107 		if (thr_keycreate(&rce_key, free) != 0) {
108 			mutex_unlock(&tsd_lock);
109 			return (&rpc_createerr);
110 		}
111 		mutex_unlock(&tsd_lock);
112 	}
113 	if (!rce_addr) {
114 		rce_addr = (struct rpc_createerr *)
115 			malloc(sizeof (struct rpc_createerr));
116 		if (thr_setspecific(rce_key, (void *) rce_addr) != 0) {
117 			if (rce_addr)
118 				free(rce_addr);
119 			return (&rpc_createerr);
120 		}
121 		memset(rce_addr, 0, sizeof (struct rpc_createerr));
122 		return (rce_addr);
123 	}
124 	return (rce_addr);
125 }
126