rosapps/applications/net/ncftp/sio/UAcceptS.c

   1 #include "syshdrs.h"
   2
   3 #if !defined(NO_UNIX_DOMAIN_SOCKETS)
   4
   5 int
   6 UAcceptS(int sfd, struct sockaddr_un *const addr, int *ualen, int tlen)
   7 {
   8         int result;
   9         fd_set ss;
  10         struct timeval tv;
  11
  12         if (tlen < 0) {
  13                 errno = 0;
  14                 for (;;) {
  15                         *ualen = (int) sizeof(struct sockaddr_un);
  16                         result = accept(sfd, (struct sockaddr *) addr, (int *) ualen);
  17                         if ((result >= 0) || (errno != EINTR))
  18                                 return (result);
  19                 }
  20         }
  21
  22         for (;;) {
  23                 errno = 0;
  24                 FD_ZERO(&ss);
  25                 FD_SET(sfd, &ss);
  26                 tv.tv_sec = tlen;
  27                 tv.tv_usec = 0;
  28                 result = select(sfd + 1, SELECT_TYPE_ARG234 &ss, NULL, NULL, &tv);
  29                 if (result == 1) {
  30                         /* ready */
  31                         break;
  32                 } else if (result == 0) {
  33                         /* timeout */
  34                         errno = ETIMEDOUT;
  35                         return (kTimeoutErr);
  36                 } else if (errno != EINTR) {
  37                         return (-1);
  38                 }
  39         }
  40
  41         do {
  42                 *ualen = (int) sizeof(struct sockaddr_un);
  43                 result = accept(sfd, (struct sockaddr *) addr, (int *) ualen);
  44         } while ((result < 0) && (errno == EINTR));
  45
  46         return (result);
  47 }       /* UAcceptS */
  48
  49 #endif
  50