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Fix serial port support on POSIX platforms that don't provide the BSD

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extensions cfmakeraw, cfsetspeed and CRTSCTS.


[SVN r46507]
This commit is contained in:
Christopher Kohlhoff
2008-06-19 12:50:02 +00:00
parent 6e1c421d72
commit ffe21c73a2
2 changed files with 23 additions and 0 deletions
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9
include/boost/asio/detail/reactive_serial_port_service.hpp
View File

@@ -109,7 +109,16 @@ public:
s = descriptor_ops::error_wrapper(::tcgetattr(fd, &ios), ec);
if (s >= 0)
{
#if defined(_BSD_SOURCE)
::cfmakeraw(&ios);
#else
ios.c_iflag &= ~(IGNBRK | BRKINT | PARMRK
| ISTRIP | INLCR | IGNCR | ICRNL | IXON);
ios.c_oflag &= ~OPOST;
ios.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
ios.c_cflag &= ~(CSIZE | PARENB);
ios.c_cflag |= CS8;
#endif
ios.c_iflag |= IGNPAR;
descriptor_ops::clear_error(ec);
s = descriptor_ops::error_wrapper(::tcsetattr(fd, TCSANOW, &ios), ec);

14
include/boost/asio/impl/serial_port_base.ipp
View File

@@ -108,7 +108,12 @@ inline boost::system::error_code serial_port_base::baud_rate::store(
ec = boost::asio::error::invalid_argument;
return ec;
}
# if defined(_BSD_SOURCE)
::cfsetspeed(&storage, baud);
# else
::cfsetispeed(&storage, baud);
::cfsetospeed(&storage, baud);
# endif
#endif
ec = boost::system::error_code();
return ec;
@@ -242,16 +247,25 @@ inline boost::system::error_code serial_port_base::flow_control::store(
{
case none:
storage.c_iflag &= ~(IXOFF | IXON);
# if defined(_BSD_SOURCE)
storage.c_cflag &= ~CRTSCTS;
# endif
break;
case software:
storage.c_iflag |= IXOFF | IXON;
# if defined(_BSD_SOURCE)
storage.c_cflag &= ~CRTSCTS;
# endif
break;
case hardware:
# if defined(_BSD_SOURCE)
storage.c_iflag &= ~(IXOFF | IXON);
storage.c_cflag |= CRTSCTS;
break;
# else
ec = boost::asio::error::operation_not_supported;
return ec;
# endif
default:
break;
}