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Diffstat (limited to 'tools/lldb-mi/MIUtilTermios.cpp')
-rw-r--r-- | tools/lldb-mi/MIUtilTermios.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tools/lldb-mi/MIUtilTermios.cpp b/tools/lldb-mi/MIUtilTermios.cpp new file mode 100644 index 000000000000..f026436e3fa3 --- /dev/null +++ b/tools/lldb-mi/MIUtilTermios.cpp @@ -0,0 +1,69 @@ +//===-- MIUtilTermios.cpp ---------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +//++ +// File: MIUtilTermios.cpp +// +// Overview: Terminal setting termios functions. +// +// Environment: Compilers: Visual C++ 12. +// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 +// Libraries: See MIReadmetxt. +// +// Copyright: None. +//-- + +// Third party headers: +#include <stdlib.h> + +// In-house headers: +#include "MIUtilTermios.h" +#include "Platform.h" + +namespace MIUtilTermios +{ +// Instantiations: +static bool g_bOldStdinTermiosIsValid = false; // True = yes valid, false = no valid +static struct termios g_sOldStdinTermios; + +//++ ------------------------------------------------------------------------------------ +// Details: Reset the terminal settings. This function is added as an ::atexit handler +// to make sure we clean up. See StdinTerminosSet(). +// Type: Global function. +// Args: None. +// Return: None. +// Throws: None. +//-- +void StdinTermiosReset( void ) +{ + if( g_bOldStdinTermiosIsValid ) + { + g_bOldStdinTermiosIsValid = false; + ::tcsetattr( STDIN_FILENO, TCSANOW, &g_sOldStdinTermios ); + } +} + +//++ ------------------------------------------------------------------------------------ +// Details: Set the terminal settings function. StdinTermiosReset() is called when to +// reset to this to before and application exit. +// Type: Global function. +// Args: None. +// Return: None. +// Throws: None. +//-- +void StdinTermiosSet( void ) +{ + if( ::tcgetattr( STDIN_FILENO, &g_sOldStdinTermios ) == 0 ) + { + g_bOldStdinTermiosIsValid = true; + ::atexit( StdinTermiosReset ); + } +} + +} // namespace MIUtilTermios |