1 //===-- Platform.cpp --------------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // this file is only relevant for Visual C++
11 #if defined( _WIN32 )
12 
13 #include <process.h>
14 #include <assert.h>
15 #include <stdlib.h>
16 
17 #include "Platform.h"
18 
19 // the control handler or SIGINT handler
20 static sighandler_t _ctrlHandler = NULL;
21 
22 // the default console control handler
23 BOOL
24 WINAPI CtrlHandler (DWORD ctrlType)
25 {
26     if ( _ctrlHandler != NULL )
27     {
28         _ctrlHandler( 0 );
29         return TRUE;
30     }
31     return FALSE;
32 }
33 
34 int
35 ioctl (int d, int request, ...)
36 {
37     switch ( request )
38     {
39     // request the console windows size
40     case ( TIOCGWINSZ ):
41         {
42             va_list vl;
43             va_start(vl,request);
44 	     // locate the window size structure on stack
45 	     winsize *ws = va_arg(vl, winsize*);
46             // get screen buffer information
47             CONSOLE_SCREEN_BUFFER_INFO info;
48             if ( GetConsoleScreenBufferInfo( GetStdHandle( STD_OUTPUT_HANDLE ), &info ) == TRUE )
49                 // fill in the columns
50                 ws->ws_col = info.dwMaximumWindowSize.X;
51             va_end(vl);
52             return 0;
53         }
54         break;
55     default:
56         assert( !"Not implemented!" );
57     }
58     return -1;
59 }
60 
61 int
62 kill (pid_t pid, int sig)
63 {
64     // is the app trying to kill itself
65     if ( pid == getpid( ) )
66         exit( sig );
67     //
68     assert( !"Not implemented!" );
69     return -1;
70 }
71 
72 int
73 tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
74 {
75     assert( !"Not implemented!" );
76     return -1;
77 }
78 
79 int
80 tcgetattr (int fildes, struct termios *termios_p)
81 {
82 //  assert( !"Not implemented!" );
83     // error return value (0=success)
84     return -1;
85 }
86 
87 #ifdef _MSC_VER
88 sighandler_t
89 signal (int sig, sighandler_t sigFunc)
90 {
91     switch ( sig )
92     {
93     case ( SIGINT ):
94         {
95             _ctrlHandler = sigFunc;
96             SetConsoleCtrlHandler( CtrlHandler, TRUE );
97         }
98         break;
99     case ( SIGPIPE  ):
100     case ( SIGWINCH ):
101     case ( SIGTSTP  ):
102     case ( SIGCONT  ):
103         // ignore these for now
104         break;
105     default:
106         assert( !"Not implemented!" );
107     }
108     return 0;
109 }
110 #endif
111 
112 #endif
113