src/mt_misc.c

#include <config.h>
#include <sys/cdefs.h>
#include <pthread.h>
#include <reentrant.h>
#include <rpc/rpc.h>
#include <sys/time.h>
#include <stdlib.h>
#include <string.h>

#include "rpc_com.h"

/* protects the services list (svc.c) */
pthread_rwlock_t svc_lock = RWLOCK_INITIALIZER;

/* protects the RPCBIND address cache */
pthread_rwlock_t rpcbaddr_cache_lock = RWLOCK_INITIALIZER;

/* protects authdes cache (svcauth_des.c) */
pthread_mutex_t authdes_lock = MUTEX_INITIALIZER;

/* serializes authdes ops initializations */
pthread_mutex_t authdes_ops_lock = MUTEX_INITIALIZER;

/* protects des stats list */
pthread_mutex_t svcauthdesstats_lock = MUTEX_INITIALIZER;

#ifdef KERBEROS
/* auth_kerb.c serialization */
pthread_mutex_t authkerb_lock = MUTEX_INITIALIZER;
/* protects kerb stats list */
pthread_mutex_t svcauthkerbstats_lock = MUTEX_INITIALIZER;
#endif				/* KERBEROS */

/* protects the Auths list (svc_auth.c) */
pthread_mutex_t authsvc_lock = MUTEX_INITIALIZER;

/* clnt_raw.c serialization */
pthread_mutex_t clntraw_lock = MUTEX_INITIALIZER;

/* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */
pthread_mutex_t dname_lock = MUTEX_INITIALIZER;

/* dupreq variables (svc_dg.c) */
pthread_mutex_t dupreq_lock = MUTEX_INITIALIZER;

/* protects first_time and hostname (key_call.c) */
pthread_mutex_t keyserv_lock = MUTEX_INITIALIZER;

/* serializes rpc_trace() (rpc_trace.c) */
pthread_mutex_t libnsl_trace_lock = MUTEX_INITIALIZER;

/* loopnconf (rpcb_clnt.c) */
pthread_mutex_t loopnconf_lock = MUTEX_INITIALIZER;

/* serializes ops initializations */
pthread_mutex_t ops_lock = MUTEX_INITIALIZER;

/* protect svc counters */
pthread_mutex_t svc_ctr_lock = MUTEX_INITIALIZER;

/* protects ``port'' static in bindresvport() */
pthread_mutex_t portnum_lock = MUTEX_INITIALIZER;

/* protects proglst list (svc_simple.c) */
pthread_mutex_t proglst_lock = MUTEX_INITIALIZER;

/* serializes clnt_com_create() (rpc_soc.c) */
pthread_mutex_t rpcsoc_lock = MUTEX_INITIALIZER;

/* svc_raw.c serialization */
pthread_mutex_t svcraw_lock = MUTEX_INITIALIZER;

/* protects TSD key creation */
pthread_mutex_t tsd_lock = MUTEX_INITIALIZER;

/* Library global tsd keys */
thread_key_t clnt_broadcast_key;
thread_key_t rpc_call_key = -1;
thread_key_t tcp_key = -1;
thread_key_t udp_key = -1;
thread_key_t nc_key = -1;
thread_key_t rce_key = -1;
thread_key_t vsock_key = -1;

/* xprtlist (svc_generic.c) */
pthread_mutex_t xprtlist_lock = MUTEX_INITIALIZER;

/* serializes calls to public key routines */
pthread_mutex_t serialize_pkey = MUTEX_INITIALIZER;

#undef rpc_createerr

struct rpc_createerr rpc_createerr;

struct rpc_createerr *__rpc_createerr(void)
{
	struct rpc_createerr *rce_addr;

	mutex_lock(&tsd_lock);
	if (rce_key == -1)
		thr_keycreate(&rce_key, thr_keyfree);
	mutex_unlock(&tsd_lock);

	rce_addr = (struct rpc_createerr *)thr_getspecific(rce_key);
	if (!rce_addr) {
		rce_addr = (struct rpc_createerr *)
		    mem_alloc(sizeof(struct rpc_createerr));

		if (thr_setspecific(rce_key, (void *)rce_addr) != 0) {
			mem_free(rce_addr, sizeof(*rce_addr));
			return (&rpc_createerr);
		}
		memset(rce_addr, 0, sizeof(*rce_addr));
	}
	return (rce_addr);
}

void tsd_key_delete(void)
{
	if (clnt_broadcast_key != -1)
		pthread_key_delete(clnt_broadcast_key);
	if (rpc_call_key != -1)
		pthread_key_delete(rpc_call_key);
	if (tcp_key != -1)
		pthread_key_delete(tcp_key);
	if (udp_key != -1)
		pthread_key_delete(udp_key);
	if (nc_key != -1)
		pthread_key_delete(nc_key);
	if (rce_key != -1)
		pthread_key_delete(rce_key);
	return;
}