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glibc  2.9
Functions
accept.c File Reference
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <sys/socket.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <hurd/socket.h>

Go to the source code of this file.

Functions

int accept (int fd, __SOCKADDR_ARG addrarg, socklen_t *addr_len)

Function Documentation

int accept ( int  fd,
__SOCKADDR_ARG  addrarg,
socklen_t addr_len 
)

Definition at line 33 of file accept.c.

{
  error_t err;
  socket_t new;
  addr_port_t aport;
  struct sockaddr *addr = addrarg.__sockaddr__;
  char *buf = (char *) addr;
  mach_msg_type_number_t buflen;
  int type;

  if (err = HURD_DPORT_USE (fd, __socket_accept (port, &new, &aport)))
    return __hurd_dfail (fd, err);

  if (addr != NULL)
    {
      buflen = *addr_len;
      err = __socket_whatis_address (aport, &type, &buf, &buflen);
      if (err == EOPNOTSUPP)
       /* If the protocol server can't tell us the address, just return a
          zero-length one.  */
       {
         buf = (char *)addr;
         buflen = 0;
         err = 0;
       }
    }
  __mach_port_deallocate (__mach_task_self (), aport);

  if (err)
    {
      __mach_port_deallocate (__mach_task_self (), new);
      return __hurd_dfail (fd, err);
    }

  if (addr != NULL)
    {
      if (*addr_len > buflen)
       *addr_len = buflen;
      
      if (buf != (char *) addr)
       {
         memcpy (addr, buf, *addr_len);
         __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
       }

      if (buflen > 0)
       addr->sa_family = type;
    }

  return _hurd_intern_fd (new, O_IGNORE_CTTY, 1);
}

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