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Allow suspend by keystroke (Ctrl-^ Ctrl-Z)

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(based on patch by Nickolai Zeldovich)
This commit is contained in:
Keith Winstein
2012-11-26 03:33:51 -05:00
parent 1c2b48abc6
commit 5eafc209ea
1 changed files with 17 additions and 0 deletions
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src/frontend/stmclient.cc
+17
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@@ -264,6 +264,23 @@ bool STMClient::process_user_input( int fd )
} else { } else {
return false; return false;
} }
} else if ( the_byte == 0x1a ) { /* Suspend sequence is Ctrl-^ Ctrl-Z */
/* Restore terminal and terminal-driver state */
swrite( STDOUT_FILENO, Terminal::Emulator::close().c_str() );
if ( tcsetattr( STDIN_FILENO, TCSANOW, &saved_termios ) < 0 ) {
perror( "tcsetattr" );
exit( 1 );
}
/* clear screen */
printf( "\033[H\033[2J" );
printf( "\033[37;44m[mosh is suspended.]\n\033[m" );
fflush( NULL );
/* actually suspend */
raise( SIGTSTP );
} else if ( the_byte == '^' ) { } else if ( the_byte == '^' ) {
/* Emulation sequence to type Ctrl-^ is Ctrl-^ ^ */ /* Emulation sequence to type Ctrl-^ is Ctrl-^ ^ */
network->get_current_state().push_back( Parser::UserByte( 0x1E ) ); network->get_current_state().push_back( Parser::UserByte( 0x1E ) );