def sys_transmit(self, cpu, fd, buf, count, tx_bytes):
        """ transmit - send bytes through a file descriptor
          The  transmit system call writes up to count bytes from the buffer pointed
          to by buf to the file descriptor fd. If count is zero, transmit returns 0
          and optionally sets *tx_bytes to zero.

          :param cpu           current CPU
          :param fd            a valid file descriptor
          :param buf           a memory buffer
          :param count         number of bytes to send
          :param tx_bytes      if valid, points to the actual number of bytes transmitted
          :return: 0            Success
                   EBADF        fd is not a valid file descriptor or is not open.
                   EFAULT       buf or tx_bytes points to an invalid address.
        """
        data = []
        if count != 0:

            if not self._is_open(fd):
                logger.error("TRANSMIT: Not valid file descriptor. Returning EBADFD %d", fd)
                return Decree.CGC_EBADF

            # TODO check count bytes from buf
            if buf not in cpu.memory or (buf + count) not in cpu.memory:
                logger.debug("TRANSMIT: buf points to invalid address. Rerurning EFAULT")
                return Decree.CGC_EFAULT

            if fd > 2 and self.files[fd].is_full():
                cpu.PC -= cpu.instruction.size
                self.wait([], [fd], None)
                raise RestartSyscall()

            for i in range(0, count):
                value = Operators.CHR(cpu.read_int(buf + i, 8))
                if not isinstance(value, str):
                    logger.debug("TRANSMIT: Writing symbolic values to file %d", fd)
                    #value = str(value)
                data.append(value)
            self.files[fd].transmit(data)

            logger.info("TRANSMIT(%d, 0x%08x, %d, 0x%08x) -> <%.24r>" % (fd, buf, count, tx_bytes, ''.join([str(x) for x in data])))
            self.syscall_trace.append(("_transmit", fd, data))
            self.signal_transmit(fd)

        # TODO check 4 bytes from tx_bytes
        if tx_bytes:
            if tx_bytes not in cpu.memory:
                logger.debug("TRANSMIT: Not valid tx_bytes pointer on transmit. Returning EFAULT")
                return Decree.CGC_EFAULT
            cpu.write_int(tx_bytes, len(data), 32)

        return 0
def sys_transmit(self, cpu, fd, buf, count, tx_bytes):
        """ transmit - send bytes through a file descriptor
          The  transmit system call writes up to count bytes from the buffer pointed
          to by buf to the file descriptor fd. If count is zero, transmit returns 0
          and optionally sets *tx_bytes to zero.

          :param cpu           current CPU
          :param fd            a valid file descriptor
          :param buf           a memory buffer
          :param count         number of bytes to send
          :param tx_bytes      if valid, points to the actual number of bytes transmitted
          :return: 0            Success
                   EBADF        fd is not a valid file descriptor or is not open.
                   EFAULT       buf or tx_bytes points to an invalid address.
        """
        data = []
        if count != 0:

            if not self._is_open(fd):
                logger.error("TRANSMIT: Not valid file descriptor. Returning EBADFD %d", fd)
                return Decree.CGC_EBADF

            # TODO check count bytes from buf
            if buf not in cpu.memory or (buf + count) not in cpu.memory:
                logger.debug("TRANSMIT: buf points to invalid address. Rerurning EFAULT")
                return Decree.CGC_EFAULT

            if fd > 2 and self.files[fd].is_full():
                cpu.PC -= cpu.instruction.size
                self.wait([], [fd], None)
                raise RestartSyscall()

            for i in range(0, count):
                value = Operators.CHR(cpu.read_int(buf + i, 8))
                if not isinstance(value, str):
                    logger.debug("TRANSMIT: Writing symbolic values to file %d", fd)
                    #value = str(value)
                data.append(value)
            self.files[fd].transmit(data)

            logger.info("TRANSMIT(%d, 0x%08x, %d, 0x%08x) -> <%.24r>" % (fd, buf, count, tx_bytes, ''.join([str(x) for x in data])))
            self.syscall_trace.append(("_transmit", fd, data))
            self.signal_transmit(fd)

        # TODO check 4 bytes from tx_bytes
        if tx_bytes:
            if tx_bytes not in cpu.memory:
                logger.debug("TRANSMIT: Not valid tx_bytes pointer on transmit. Returning EFAULT")
                return Decree.CGC_EFAULT
            cpu.write_int(tx_bytes, len(data), 32)

        return 0
def sys_transmit ( self , cpu , fd , buf , count , tx_bytes ) : data = [ ] if count != 0 : if not self . _is_open ( fd ) : logger . error ( "TRANSMIT: Not valid file descriptor. Returning EBADFD %d" , fd ) return Decree . CGC_EBADF # TODO check count bytes from buf if buf not in cpu . memory or ( buf + count ) not in cpu . memory : logger . debug ( "TRANSMIT: buf points to invalid address. Rerurning EFAULT" ) return Decree . CGC_EFAULT if fd > 2 and self . files [ fd ] . is_full ( ) : cpu . PC -= cpu . instruction . size self . wait ( [ ] , [ fd ] , None ) raise RestartSyscall ( ) for i in range ( 0 , count ) : value = Operators . CHR ( cpu . read_int ( buf + i , 8 ) ) if not isinstance ( value , str ) : logger . debug ( "TRANSMIT: Writing symbolic values to file %d" , fd ) #value = str(value) data . append ( value ) self . files [ fd ] . transmit ( data ) logger . info ( "TRANSMIT(%d, 0x%08x, %d, 0x%08x) -> <%.24r>" % ( fd , buf , count , tx_bytes , '' . join ( [ str ( x ) for x in data ] ) ) ) self . syscall_trace . append ( ( "_transmit" , fd , data ) ) self . signal_transmit ( fd ) # TODO check 4 bytes from tx_bytes if tx_bytes : if tx_bytes not in cpu . memory : logger . debug ( "TRANSMIT: Not valid tx_bytes pointer on transmit. Returning EFAULT" ) return Decree . CGC_EFAULT cpu . write_int ( tx_bytes , len ( data ) , 32 ) return 0
transmit - send bytes through a file descriptor
          The  transmit system call writes up to count bytes from the buffer pointed
          to by buf to the file descriptor fd. If count is zero, transmit returns 0
          and optionally sets *tx_bytes to zero.

          :param cpu           current CPU
          :param fd            a valid file descriptor
          :param buf           a memory buffer
          :param count         number of bytes to send
          :param tx_bytes      if valid, points to the actual number of bytes transmitted
          :return: 0            Success
                   EBADF        fd is not a valid file descriptor or is not open.
                   EFAULT       buf or tx_bytes points to an invalid address.
transmit - send bytes through a file descriptor The transmit system call writes up to count bytes from the buffer pointed to by buf to the file descriptor fd . If count is zero transmit returns 0 and optionally sets * tx_bytes to zero .