ftp.nice.ch/Attic/openStep/implementation/gnustep/sources/alpha-snapshots/pthreads.0.9.2.tgz#/pthreads-0.9.2/socklib/accept.c

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#include "pthread_socket.h"
#include "pthread_io_delay.h"

extern void fd_init( void );
extern pthread_once_t io_initialized;

static inline
_syscall2(long,socketcall,int,call,unsigned long *,args);  

static int
syscall_accept( int fd, struct sockaddr *addr, int *addrlen )
{
   unsigned long args[3];
   int ret;

   args[0] = (unsigned long)fd;
   args[1] = (unsigned long) addr;
   args[2] = (unsigned long) addrlen;

   LOCK_ON

       ret = socketcall( SYS_ACCEPT, args );

   LOCK_OFF

   return( ret );
}

/*--------------------------------------------------------------------------
 * @@          A C C E P T
 *-------------------------------------------------------------------------*/
int 
accept( int fd, struct sockaddr *addr, int *addrlen )
{
   int ret, err, st;

   st = pthread_once( &io_initialized, fd_init );
   if( st != SUCCESS )
       return( NOTOK );

   if( nonblock_is_set( fd ))
   {
       ret = syscall_accept( fd, addr, addrlen );
       RETURN( ret );
   }

   set_fd_nonblock( fd );
   while( (ret = syscall_accept( fd, addr, addrlen )) < OK )
   {
       (void) pthread_get_errno_np( NULL, &err );
       if( err != EWOULDBLOCK ) 
           break;

       pthread_delay_np( &delay_interval );
   }

   clear_fd_nonblock( fd );
   return( ret );
}

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