1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by Peter Vreman
member of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This file contains the implementation of several termio(s) functions
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
{******************************************************************************
IOCtl and Termios calls
******************************************************************************}
Function TCGetAttr(fd:cint;var tios:TermIOS):cint; {$ifdef VER2_0}inline;{$endif}
begin
TCGETAttr:=fpIoCtl(Fd,TIOCGETA,@tios);
end;
Function TCSetAttr(fd:cint;OptAct:cint;const tios:TermIOS):cint;
var
nr:culong;
begin
case OptAct of
TCSANOW : nr:=TIOCSETA;
TCSADRAIN : nr:=TIOCSETAW;
TCSAFLUSH : nr:=TIOCSETAF;
else
begin
fpsetErrNo(ESysEINVAL);
TCSetAttr:=-1;
exit;
end;
end;
TCSetAttr:=fpIOCtl(fd,nr,@Tios);
end;
Procedure CFSetISpeed(var tios:TermIOS;speed:Cardinal); {$ifdef VER2_0}inline;{$endif}
begin
tios.c_ispeed:=speed; {Probably the Bxxxx speed constants}
end;
Procedure CFSetOSpeed(var tios:TermIOS;speed:Cardinal); {$ifdef VER2_0}inline;{$endif}
begin
tios.c_ospeed:=speed;
end;
Procedure CFMakeRaw(var tios:TermIOS);
begin
with tios do
begin
c_iflag:=c_iflag and (not (IMAXBEL or IXOFF or INPCK or BRKINT or
PARMRK or ISTRIP or INLCR or IGNCR or ICRNL or IXON or
IGNPAR));
c_iflag:=c_iflag OR IGNBRK;
c_oflag:=c_oflag and (not OPOST);
c_lflag:=c_lflag and (not (ECHO or ECHOE or ECHOK or ECHONL or ICANON or
ISIG or IEXTEN or NOFLSH or TOSTOP or PENDIN));
c_cflag:=(c_cflag and (not (CSIZE or PARENB))) or (CS8 OR cread);
c_cc[VMIN]:=1;
c_cc[VTIME]:=0;
end;
end;
//Function TCGetAttr(fd:cint;var tios:TermIOS):cint; cdecl; external 'c' name 'tcgetattr';
//Function TCSetAttr(fd:cint;OptAct:cint;const tios:TermIOS):cint; cdecl; external 'c' name 'tcsetattr';
//Procedure CFSetISpeed(var tios:TermIOS;speed:Cardinal); cdecl; external 'c' name 'cfsetispeed';
//Procedure CFSetOSpeed(var tios:TermIOS;speed:Cardinal); cdecl; external 'c' name 'cfsetospeed';
//Procedure CFMakeRaw(var tios:TermIOS); cdecl; external 'c' name 'cfmakeraw';
function real_tcsendbreak(fd,duration: cint): cint; cdecl; external name 'tcsendbreak';
Function TCSendBreak(fd,duration:cint):cint;{$ifdef VER2_0}inline;{$endif}
begin
TCSendBreak:=real_tcsendbreak(fd,duration);
end;
function real_tcsetpgrp(fd: cint; pgrp: pid_t): cint; cdecl; external name 'tcsetpgrp';
Function TCSetPGrp(fd,id:cint):cint;{$ifdef VER2_0}inline;{$endif}
begin
TCSetPGrp:=real_tcsetpgrp(fd,id);;
end;
Function TCGetPGrp(fd:cint;var id:cint):cint;{$ifdef VER2_0}inline;{$endif}
var
pid: pid_t;
begin
if isatty(fd)=0 then
exit(-1);
TCGetPGrp:=fpIOCtl(fd,TIOCGPGRP,@pid);
if TCGetPGrp>=0 then
id:=pid;
end;
function real_tcdrain(fd: cint): cint; cdecl; external name 'tcdrain';
Function TCDrain(fd:cint):cint;{$ifdef VER2_0}inline;{$endif}
begin
TCDrain:=fpIOCtl(fd,TIOCDRAIN,nil); {Should set timeout to 1 first?}
end;
function real_tcflow(fd,act:cint): cint; cdecl; external name 'tcflow';
Function TCFlow(fd,act:cint):cint; {$ifdef VER2_0}inline;{$endif}
begin
TCFlow:=real_tcflow(fd,act);
end;
function real_tcflush(fd,qsel: cint): cint; cdecl; external name 'tcflush';
Function TCFlush(fd,qsel:cint):cint; {$ifdef VER2_0}inline;{$endif}
begin
TCFlush:=real_tcflush(fd,qsel);
end;
Function IsATTY (Handle:cint):cint;
{
Check if the filehandle described by 'handle' is a TTY (Terminal)
}
var
t : Termios;
begin
IsAtty:=ord(TCGetAttr(Handle,t) <> -1);
end;
Function IsATTY(var f: text):cint; {$ifdef VER2_0}inline;{$endif}
{
Idem as previous, only now for text variables.
}
begin
IsATTY:=IsaTTY(textrec(f).handle);
end;
|
