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
|
/****************************************************************
* *
* Copyright (c) 2001-2023 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include <errno.h>
#include "gtm_termios.h"
#include "gtm_signal.h" /* for SIGPROCMASK used inside Tcsetattr */
#include "io.h"
#include "iosp.h"
#include "iottdef.h"
#include "gtmio.h"
#include "iott_setterm.h"
#include "eintr_wrappers.h"
#include "gtm_isanlp.h"
error_def(ERR_TCSETATTR);
void iott_setterm(io_desc *ioptr)
{
int status;
int save_errno;
struct termios t;
d_tt_struct *tt_ptr;
tt_ptr = (d_tt_struct *) ioptr->dev_sp;
t = *tt_ptr->ttio_struct;
if (tt_ptr->canonical)
{ t.c_lflag &= ~(ECHO);
t.c_lflag |= ICANON;
}else
{ t.c_lflag &= ~(ICANON | ECHO);
t.c_cc[VTIME] = 8;
t.c_cc[VMIN] = 1;
}
t.c_iflag &= ~(ICRNL);
Tcsetattr(tt_ptr->fildes, TCSANOW, &t, status, save_errno);
if (0 != status)
{
if (gtm_isanlp(tt_ptr->fildes) == 0)
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(4) ERR_TCSETATTR, 1, tt_ptr->fildes, save_errno);
}
return;
}
/* These routines are here because it is frightfully important to keep them
in synch with setterm. When they get out of line, a r x:0 causes your
terminal to be unreachable thereafter.
*/
/* iott_mterm sets the inter-character timer (t.c_cc[VTIME]) to 0.0 seconds
so that a read with a zero timeout (ie. Read x:0) will not wait.
*/
void iott_mterm(io_desc *ioptr)
{
int status;
int save_errno;
struct termios t;
d_tt_struct *tt_ptr;
tt_ptr = (d_tt_struct *) ioptr->dev_sp;
t = *tt_ptr->ttio_struct;
if (tt_ptr->canonical)
{ t.c_lflag &= ~(ECHO);
t.c_lflag |= ICANON;
}else
{ t.c_lflag &= ~(ICANON | ECHO);
#ifdef __MVS__
t.c_cc[VTIME] = 1;
#else
t.c_cc[VTIME] = 0;
#endif
t.c_cc[VMIN] = 0;
}
t.c_iflag &= ~(ICRNL);
Tcsetattr(tt_ptr->fildes, TCSANOW, &t, status, save_errno);
if (0 != status)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_TCSETATTR, 1, tt_ptr->fildes, save_errno);
return;
}
/* iott_rterm restores the inter-character timer (t.c_cc[VTIME]) to 0.8 seconds
*/
void iott_rterm(io_desc *ioptr)
{
int status;
int save_errno;
struct termios t;
d_tt_struct *tt_ptr;
tt_ptr = (d_tt_struct *) ioptr->dev_sp;
t = *tt_ptr->ttio_struct;
if (tt_ptr->canonical)
{ t.c_lflag &= ~(ECHO);
t.c_lflag |= ICANON;
}else
{ t.c_lflag &= ~(ICANON | ECHO);
t.c_cc[VTIME] = 8;
t.c_cc[VMIN] = 1;
}
t.c_iflag &= ~(ICRNL);
Tcsetattr(tt_ptr->fildes, TCSANOW, &t, status, save_errno);
if (0 != status)
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_TCSETATTR, 1, tt_ptr->fildes, save_errno);
return;
}
|
