137 lines
3.4 KiB
C
137 lines
3.4 KiB
C
/* $NetBSD: mt_misc.c,v 1.1 2000/06/02 23:11:11 fvdl Exp $ */
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/*
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* Define and initialize MT data for libnsl.
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* The _libnsl_lock_init() function below is the library's .init handler.
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*/
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/* #pragma ident "@(#)mt_misc.c 1.24 93/04/29 SMI" */
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#include "reentrant.h"
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#include <rpc/rpc.h>
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#include <sys/time.h>
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#include <stdlib.h>
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#ifdef _REENT
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/*
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* XXX fvdl - this needs to be done right when implementing a thread-safe
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* libc.
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*/
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rwlock_t svc_lock; /* protects the services list (svc.c) */
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rwlock_t svc_fd_lock; /* protects svc_fdset and the xports[] array */
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rwlock_t rpcbaddr_cache_lock; /* protects the RPCBIND address cache */
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static rwlock_t *rwlock_table[] = {
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&svc_lock,
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&svc_fd_lock,
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&rpcbaddr_cache_lock
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};
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mutex_t authdes_lock; /* protects authdes cache (svcauth_des.c) */
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mutex_t authnone_lock; /* auth_none.c serialization */
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mutex_t authsvc_lock; /* protects the Auths list (svc_auth.c) */
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mutex_t clnt_fd_lock; /* protects client-side fd lock array */
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mutex_t clntraw_lock; /* clnt_raw.c serialization */
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mutex_t dname_lock; /* domainname and domain_fd (getdname.c) */
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/* and default_domain (rpcdname.c) */
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mutex_t dupreq_lock; /* dupreq variables (svc_dg.c) */
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mutex_t keyserv_lock; /* protects first_time and hostname */
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/* (key_call.c) */
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mutex_t libnsl_trace_lock; /* serializes rpc_trace() (rpc_trace.c) */
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mutex_t loopnconf_lock; /* loopnconf (rpcb_clnt.c) */
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mutex_t ops_lock; /* serializes ops initializations */
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mutex_t portnum_lock; /* protects ``port'' static in bindresvport() */
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mutex_t proglst_lock; /* protects proglst list (svc_simple.c) */
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mutex_t rpcsoc_lock; /* serializes clnt_com_create() (rpc_soc.c) */
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mutex_t svcraw_lock; /* svc_raw.c serialization */
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mutex_t tsd_lock; /* protects TSD key creation */
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mutex_t xprtlist_lock; /* xprtlist (svc_generic.c) */
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mutex_t serialize_pkey; /* serializes calls to public key routines */
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static mutex_t *mutex_table[] = {
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&authdes_lock,
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&authnone_lock,
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&authsvc_lock,
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&clnt_fd_lock,
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&clntraw_lock,
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&dname_lock,
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&dupreq_lock,
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&keyserv_lock,
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&libnsl_trace_lock,
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&loopnconf_lock,
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&ops_lock,
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&portnum_lock,
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&proglst_lock,
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&rpcsoc_lock,
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&svcraw_lock,
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&tsd_lock,
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&xprtlist_lock,
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&serialize_pkey
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};
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int __rpc_lock_value;
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#pragma init(_libnsl_lock_init)
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void
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_libnsl_lock_init()
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{
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int i;
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/* _thr_main() returns -1 if libthread no linked in */
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if (_thr_main() == -1)
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lock_value = 0;
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else
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lock_value = 1;
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for (i = 0; i < sizeof (mutex_table) / sizeof (mutex_table[0]); i++)
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mutex_init(mutex_table[i], 0, (void *) 0);
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for (i = 0; i < sizeof (rwlock_table) / sizeof (rwlock_table[0]); i++)
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rwlock_init(rwlock_table[i], 0, (void *) 0);
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}
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#endif /* _REENT */
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#undef rpc_createerr
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struct rpc_createerr rpc_createerr;
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struct rpc_createerr *
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__rpc_createerr()
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{
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#ifdef _REENT
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static thread_key_t rce_key = 0;
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struct rpc_createerr *rce_addr = 0;
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if (_thr_main())
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return (&rpc_createerr);
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if (_thr_getspecific(rce_key, (void **) &rce_addr) != 0) {
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mutex_lock(&tsd_lock);
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if (_thr_keycreate(&rce_key, free) != 0) {
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mutex_unlock(&tsd_lock);
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return (&rpc_createerr);
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}
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mutex_unlock(&tsd_lock);
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}
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if (!rce_addr) {
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rce_addr = (struct rpc_createerr *)
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malloc(sizeof (struct rpc_createerr));
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if (_thr_setspecific(rce_key, (void *) rce_addr) != 0) {
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if (rce_addr)
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free(rce_addr);
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return (&rpc_createerr);
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}
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memset(rce_addr, 0, sizeof (struct rpc_createerr));
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return (rce_addr);
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}
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return (rce_addr);
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#else
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return &rpc_createerr;
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#endif
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}
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