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 = KEY_INITIALIZER;
  82 thread_key_t rpc_call_key = KEY_INITIALIZER;
  83 thread_key_t tcp_key = KEY_INITIALIZER;
  84 thread_key_t udp_key = KEY_INITIALIZER;
  85 thread_key_t nc_key = KEY_INITIALIZER;
  86 thread_key_t rce_key = KEY_INITIALIZER;
  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 /* protects global variables ni and nc_file (getnetconfig.c) */
  95 pthread_mutex_t nc_db_lock = PTHREAD_MUTEX_INITIALIZER;
  96
  97 /* protects static port and startport (bindresvport.c) */
  98 pthread_mutex_t port_lock = PTHREAD_MUTEX_INITIALIZER;
  99
 100 /* protects static disrupt (clnt_vc.c) */
 101 pthread_mutex_t disrupt_lock = PTHREAD_MUTEX_INITIALIZER;
 102
 103 #undef  rpc_createerr
 104
 105 struct rpc_createerr rpc_createerr;
 106
 107 struct rpc_createerr *
 108 __rpc_createerr()
 109 {
 110         struct rpc_createerr *rce_addr;
 111
 112         mutex_lock(&tsd_lock);
 113         if (rce_key == KEY_INITIALIZER)
 114                 thr_keycreate(&rce_key, free);
 115         mutex_unlock(&tsd_lock);
 116
 117         rce_addr = (struct rpc_createerr *)thr_getspecific(rce_key);
 118         if (!rce_addr) {
 119                 rce_addr = (struct rpc_createerr *)
 120                         malloc(sizeof (struct rpc_createerr));
 121                 if (!rce_addr ||
 122                     thr_setspecific(rce_key, (void *) rce_addr) != 0) {
 123                         if (rce_addr)
 124                                 free(rce_addr);
 125                         return (&rpc_createerr);
 126                 }
 127                 memset(rce_addr, 0, sizeof (struct rpc_createerr));
 128         }
 129         return (rce_addr);
 130 }
 131
 132 void tsd_key_delete(void)
 133 {
 134         if (clnt_broadcast_key != KEY_INITIALIZER)
 135                 pthread_key_delete(clnt_broadcast_key);
 136         if (rpc_call_key != KEY_INITIALIZER)
 137                 pthread_key_delete(rpc_call_key);
 138         if (tcp_key != KEY_INITIALIZER)
 139                 pthread_key_delete(tcp_key);
 140         if (udp_key != KEY_INITIALIZER)
 141                 pthread_key_delete(udp_key);
 142         if (nc_key != KEY_INITIALIZER)
 143                 pthread_key_delete(nc_key);
 144         if (rce_key != KEY_INITIALIZER)
 145                 pthread_key_delete(rce_key);
 146         return;
 147 }
 148