src/mt_misc.c

   1
   2 #include <sys/cdefs.h>
   3 #include <pthread.h>
   4 #include <reentrant.h>
   5 #include <rpc/rpc.h>
   6 #include <sys/time.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9
  10 /* protects the services list (svc.c) */
  11 pthread_rwlock_t        svc_lock = PTHREAD_RWLOCK_INITIALIZER;
  12
  13 /* protects svc_fdset and the xports[] array */
  14 pthread_rwlock_t        svc_fd_lock = PTHREAD_RWLOCK_INITIALIZER;
  15
  16 /* protects the RPCBIND address cache */
  17 pthread_rwlock_t        rpcbaddr_cache_lock = PTHREAD_RWLOCK_INITIALIZER;
  18
  19 /* protects authdes cache (svcauth_des.c) */
  20 pthread_mutex_t authdes_lock = PTHREAD_MUTEX_INITIALIZER;
  21
  22 /* serializes authdes ops initializations */
  23 pthread_mutex_t authdes_ops_lock = PTHREAD_MUTEX_INITIALIZER;
  24
  25 /* protects des stats list */
  26 pthread_mutex_t svcauthdesstats_lock = PTHREAD_MUTEX_INITIALIZER;
  27
  28 #ifdef KERBEROS
  29 /* auth_kerb.c serialization */
  30 pthread_mutex_t authkerb_lock = PTHREAD_MUTEX_INITIALIZER;
  31 /* protects kerb stats list */
  32 pthread_mutex_t svcauthkerbstats_lock = PTHREAD_MUTEX_INITIALIZER;
  33 #endif /* KERBEROS */
  34
  35 /* auth_none.c serialization */
  36 pthread_mutex_t authnone_lock = PTHREAD_MUTEX_INITIALIZER;
  37
  38 /* protects the Auths list (svc_auth.c) */
  39 pthread_mutex_t authsvc_lock = PTHREAD_MUTEX_INITIALIZER;
  40
  41 /* protects client-side fd lock array */
  42 pthread_mutex_t clnt_fd_lock = PTHREAD_MUTEX_INITIALIZER;
  43
  44 /* clnt_raw.c serialization */
  45 pthread_mutex_t clntraw_lock = PTHREAD_MUTEX_INITIALIZER;
  46
  47 /* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */
  48 pthread_mutex_t dname_lock = PTHREAD_MUTEX_INITIALIZER;
  49
  50 /* dupreq variables (svc_dg.c) */
  51 pthread_mutex_t dupreq_lock = PTHREAD_MUTEX_INITIALIZER;
  52
  53 /* protects first_time and hostname (key_call.c) */
  54 pthread_mutex_t keyserv_lock = PTHREAD_MUTEX_INITIALIZER;
  55
  56 /* serializes rpc_trace() (rpc_trace.c) */
  57 pthread_mutex_t libnsl_trace_lock = PTHREAD_MUTEX_INITIALIZER;
  58
  59 /* loopnconf (rpcb_clnt.c) */
  60 pthread_mutex_t loopnconf_lock = PTHREAD_MUTEX_INITIALIZER;
  61
  62 /* serializes ops initializations */
  63 pthread_mutex_t ops_lock = PTHREAD_MUTEX_INITIALIZER;
  64
  65 /* protects ``port'' static in bindresvport() */
  66 pthread_mutex_t portnum_lock = PTHREAD_MUTEX_INITIALIZER;
  67
  68 /* protects proglst list (svc_simple.c) */
  69 pthread_mutex_t proglst_lock = PTHREAD_MUTEX_INITIALIZER;
  70
  71 /* serializes clnt_com_create() (rpc_soc.c) */
  72 pthread_mutex_t rpcsoc_lock = PTHREAD_MUTEX_INITIALIZER;
  73
  74 /* svc_raw.c serialization */
  75 pthread_mutex_t svcraw_lock = PTHREAD_MUTEX_INITIALIZER;
  76
  77 /* protects TSD key creation */
  78 pthread_mutex_t tsd_lock = PTHREAD_MUTEX_INITIALIZER;
  79
  80 /* Library global tsd keys */
  81 thread_key_t clnt_broadcast_key;
  82 thread_key_t rpc_call_key = -1;
  83 thread_key_t tcp_key = -1;
  84 thread_key_t udp_key = -1;
  85 thread_key_t nc_key = -1;
  86 thread_key_t rce_key = -1;
  87
  88 /* xprtlist (svc_generic.c) */
  89 pthread_mutex_t xprtlist_lock = PTHREAD_MUTEX_INITIALIZER;
  90
  91 /* serializes calls to public key routines */
  92 pthread_mutex_t serialize_pkey = PTHREAD_MUTEX_INITIALIZER;
  93
  94 #undef  rpc_createerr
  95
  96 struct rpc_createerr rpc_createerr;
  97
  98 struct rpc_createerr *
  99 __rpc_createerr()
 100 {
 101         struct rpc_createerr *rce_addr;
 102
 103         mutex_lock(&tsd_lock);
 104         if (rce_key == -1)
 105                 thr_keycreate(&rce_key, free);
 106         mutex_unlock(&tsd_lock);
 107
 108         rce_addr = (struct rpc_createerr *)thr_getspecific(rce_key);
 109         if (!rce_addr) {
 110                 rce_addr = (struct rpc_createerr *)
 111                         malloc(sizeof (struct rpc_createerr));
 112                 if (!rce_addr ||
 113                     thr_setspecific(rce_key, (void *) rce_addr) != 0) {
 114                         if (rce_addr)
 115                                 free(rce_addr);
 116                         return (&rpc_createerr);
 117                 }
 118                 memset(rce_addr, 0, sizeof (struct rpc_createerr));
 119         }
 120         return (rce_addr);
 121 }
 122
 123 void tsd_key_delete(void)
 124 {
 125         if (clnt_broadcast_key != -1)
 126                 pthread_key_delete(clnt_broadcast_key);
 127         if (rpc_call_key != -1)
 128                 pthread_key_delete(rpc_call_key);
 129         if (tcp_key != -1)
 130                 pthread_key_delete(tcp_key);
 131         if (udp_key != -1)
 132                 pthread_key_delete(udp_key);
 133         if (nc_key != -1)
 134                 pthread_key_delete(nc_key);
 135         if (rce_key != -1)
 136                 pthread_key_delete(rce_key);
 137         return;
 138 }
 139