lib/libc/rpc/svc_fdset.c

   1 /*      $NetBSD: svc_fdset.c,v 1.1 2013/03/05 19:55:23 christos Exp $   */
   2
   3 #include <sys/cdefs.h>
   4 __RCSID("$NetBSD: svc_fdset.c,v 1.1 2013/03/05 19:55:23 christos Exp $");
   5
   6 #include <pthread.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <sys/select.h>
  10
  11 #include "svc_fdset.h"
  12
  13 static pthread_key_t fdsetkey;
  14 static pthread_key_t fdmaxkey;
  15 static fd_set thefdset;
  16 static int thefdmax;
  17
  18 void
  19 init_fdsets(void)
  20 {
  21
  22         pthread_key_create(&fdsetkey, NULL);
  23         pthread_key_create(&fdmaxkey, NULL);
  24 }
  25
  26 void
  27 alloc_fdset(void)
  28 {
  29         fd_set *fdsetti;
  30         int *fdmax;
  31
  32         fdsetti = malloc(sizeof(*fdsetti));
  33         memset(fdsetti, 0, sizeof(*fdsetti));
  34         pthread_setspecific(fdsetkey, fdsetti);
  35
  36         fdmax = malloc(sizeof(*fdmax));
  37         memset(fdmax, 0, sizeof(*fdmax));
  38         pthread_setspecific(fdmaxkey, fdmax);
  39 }
  40
  41 fd_set *
  42 get_fdset(void)
  43 {
  44         fd_set *rv;
  45
  46         rv = pthread_getspecific(fdsetkey);
  47         if (rv)
  48                 return rv;
  49         else
  50                 return &thefdset;
  51 }
  52
  53 int *
  54 get_fdsetmax(void)
  55 {
  56         int *rv;
  57
  58         rv = pthread_getspecific(fdmaxkey);
  59         if (rv)
  60                 return rv;
  61         else
  62                 return &thefdmax;
  63 }