xref: /freebsd/lib/libc/rpc/mt_misc.c (revision 4f29da19bd44f0e99f021510460a81bf754c21d2)
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 #include "mt_misc.h"
15 
16 /* Take these objects out of the application namespace. */
17 #define	svc_lock		__svc_lock
18 #define	svc_fd_lock		__svc_fd_lock
19 #define	rpcbaddr_cache_lock	__rpcbaddr_cache_lock
20 #define	authdes_ops_lock	__authdes_ops_lock
21 #define	authnone_lock		__authnone_lock
22 #define	authsvc_lock		__authsvc_lock
23 #define	clnt_fd_lock		__clnt_fd_lock
24 #define	clntraw_lock		__clntraw_lock
25 #define	dupreq_lock		__dupreq_lock
26 #define	loopnconf_lock		__loopnconf_lock
27 #define	ops_lock		__ops_lock
28 #define	proglst_lock		__proglst_lock
29 #define	rpcsoc_lock		__rpcsoc_lock
30 #define	svcraw_lock		__svcraw_lock
31 #define	tsd_lock		__tsd_lock
32 #define	xprtlist_lock		__xprtlist_lock
33 
34 /* protects the services list (svc.c) */
35 pthread_rwlock_t	svc_lock = PTHREAD_RWLOCK_INITIALIZER;
36 
37 /* protects svc_fdset and the xports[] array */
38 pthread_rwlock_t	svc_fd_lock = PTHREAD_RWLOCK_INITIALIZER;
39 
40 /* protects the RPCBIND address cache */
41 pthread_rwlock_t	rpcbaddr_cache_lock = PTHREAD_RWLOCK_INITIALIZER;
42 
43 /* serializes authdes ops initializations */
44 pthread_mutex_t authdes_ops_lock = PTHREAD_MUTEX_INITIALIZER;
45 
46 /* protects des stats list */
47 pthread_mutex_t svcauthdesstats_lock = PTHREAD_MUTEX_INITIALIZER;
48 
49 /* auth_none.c serialization */
50 pthread_mutex_t	authnone_lock = PTHREAD_MUTEX_INITIALIZER;
51 
52 /* protects the Auths list (svc_auth.c) */
53 pthread_mutex_t	authsvc_lock = PTHREAD_MUTEX_INITIALIZER;
54 
55 /* protects client-side fd lock array */
56 pthread_mutex_t	clnt_fd_lock = PTHREAD_MUTEX_INITIALIZER;
57 
58 /* clnt_raw.c serialization */
59 pthread_mutex_t	clntraw_lock = PTHREAD_MUTEX_INITIALIZER;
60 
61 /* dupreq variables (svc_dg.c) */
62 pthread_mutex_t	dupreq_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 proglst list (svc_simple.c) */
71 pthread_mutex_t	proglst_lock = PTHREAD_MUTEX_INITIALIZER;
72 
73 /* serializes clnt_com_create() (rpc_soc.c) */
74 pthread_mutex_t	rpcsoc_lock = PTHREAD_MUTEX_INITIALIZER;
75 
76 /* svc_raw.c serialization */
77 pthread_mutex_t	svcraw_lock = PTHREAD_MUTEX_INITIALIZER;
78 
79 /* protects TSD key creation */
80 pthread_mutex_t	tsd_lock = PTHREAD_MUTEX_INITIALIZER;
81 
82 /* xprtlist (svc_generic.c) */
83 pthread_mutex_t	xprtlist_lock = PTHREAD_MUTEX_INITIALIZER;
84 
85 #undef	rpc_createerr
86 
87 struct rpc_createerr rpc_createerr;
88 
89 struct rpc_createerr *
90 __rpc_createerr()
91 {
92 	static thread_key_t rce_key = 0;
93 	struct rpc_createerr *rce_addr = 0;
94 
95 	if (thr_main())
96 		return (&rpc_createerr);
97 	if ((rce_addr =
98 	    (struct rpc_createerr *)thr_getspecific(rce_key)) != 0) {
99 		mutex_lock(&tsd_lock);
100 		if (thr_keycreate(&rce_key, free) != 0) {
101 			mutex_unlock(&tsd_lock);
102 			return (&rpc_createerr);
103 		}
104 		mutex_unlock(&tsd_lock);
105 	}
106 	if (!rce_addr) {
107 		rce_addr = (struct rpc_createerr *)
108 			malloc(sizeof (struct rpc_createerr));
109 		if (thr_setspecific(rce_key, (void *) rce_addr) != 0) {
110 			if (rce_addr)
111 				free(rce_addr);
112 			return (&rpc_createerr);
113 		}
114 		memset(rce_addr, 0, sizeof (struct rpc_createerr));
115 		return (rce_addr);
116 	}
117 	return (rce_addr);
118 }
119