rosapps/net/ncftp/sio/SAcceptS.c

   1 #include "syshdrs.h"
   2
   3 int
   4 SAcceptS(int sfd, struct sockaddr_in *const addr, int tlen)
   5 {
   6         int result;
   7         fd_set ss;
   8         struct timeval tv;
   9         size_t size;
  10
  11         if (tlen <= 0) {
  12                 errno = 0;
  13                 for (;;) {
  14                         size = sizeof(struct sockaddr_in);
  15                         result = accept(sfd, (struct sockaddr *) addr, (int *) &size);
  16                         if ((result >= 0) || (errno != EINTR))
  17                                 return (result);
  18                 }
  19         }
  20
  21         forever {
  22                 errno = 0;
  23                 FD_ZERO(&ss);
  24                 FD_SET(sfd, &ss);
  25                 tv.tv_sec = tlen;
  26                 tv.tv_usec = 0;
  27                 result = select(sfd + 1, SELECT_TYPE_ARG234 &ss, NULL, NULL, SELECT_TYPE_ARG5 &tv);
  28                 if (result == 1) {
  29                         /* ready */
  30                         break;
  31                 } else if (result == 0) {
  32                         /* timeout */
  33                         errno = ETIMEDOUT;
  34                         SETWSATIMEOUTERR
  35                         return (kTimeoutErr);
  36                 } else if (errno != EINTR) {
  37                         return (-1);
  38                 }
  39         }
  40
  41         do {
  42                 size = sizeof(struct sockaddr_in);
  43                 result = accept(sfd, (struct sockaddr *) addr, (int *) &size);
  44         } while ((result < 0) && (errno == EINTR));
  45
  46         return (result);
  47 }       /* SAcceptS */