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Improve Windows Console I/O

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- Blocking read operations on the Windows Console can now EINTR
- Blocking read operations on Windows pipes now EINTR more reliably
- setitimer() will no longer be inherited across fork() on Windows
- It's now possible to use ECHO when the console is in raw mode
- The ECHOCTL flag now works correctly on the Windows Console
- The ICRNL flag now works correctly on the Windows Console
- pread() and pwrite() will now raise ESPIPE on Windows
- Opening /dev/tty on Windows is improved (untested)
- Overlapped I/O is now implemented in a better way
This commit is contained in:
Justine Tunney 2023-08-08 04:00:29 -07:00
parent decf216655
commit 33d280c8ba
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
34 changed files with 580 additions and 376 deletions
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34
libc/calls/tcgetattr-nt.c
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@ -18,17 +18,20 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/calls/struct/fd.internal.h"
#include "libc/calls/struct/termios.h"
#include "libc/calls/ttydefaults.h"
#include "libc/nt/console.h"
#include "libc/nt/enum/consolemodeflags.h"
#include "libc/nt/struct/consolescreenbufferinfoex.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/baud.internal.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/termios.h"
#include "libc/sysv/errfuns.h"
textwindows int tcgetattr_nt(int ignored, struct termios *tio) {
int ttymagic;
int64_t in, out;
bool32 inok, outok;
uint32_t inmode, outmode;
@ -37,34 +40,43 @@ textwindows int tcgetattr_nt(int ignored, struct termios *tio) {
if (inok | outok) {
bzero(tio, sizeof(*tio));
tio->c_cflag |= CS8;
tio->c_cc[VMIN] = 1;
tio->c_cc[VINTR] = CTRL('C');
tio->c_cc[VQUIT] = CTRL('\\');
tio->c_cc[VERASE] = CTRL('?');
tio->c_cc[VWERASE] = CTRL('?'); // windows swaps these :'(
tio->c_cc[VERASE] = CTRL('H'); // windows swaps these :'(
tio->c_cc[VKILL] = CTRL('U');
tio->c_cc[VEOF] = CTRL('D');
tio->c_cc[VMIN] = CTRL('A');
tio->c_cc[VSTART] = CTRL('Q');
tio->c_cc[VSTOP] = CTRL('S');
tio->c_cc[VSUSP] = CTRL('Z');
tio->c_cc[VSTART] = _POSIX_VDISABLE;
tio->c_cc[VSTOP] = _POSIX_VDISABLE;
tio->c_cc[VSUSP] = _POSIX_VDISABLE;
tio->c_cc[VREPRINT] = CTRL('R');
tio->c_cc[VDISCARD] = CTRL('O');
tio->c_cc[VWERASE] = CTRL('W');
tio->c_cc[VLNEXT] = CTRL('V');
tio->c_iflag = IUTF8;
tio->c_lflag = ECHOE;
tio->c_cflag = CS8;
tio->_c_ispeed = B38400;
tio->_c_ospeed = B38400;
if (inok) {
ttymagic = g_fds.p[0].ttymagic;
if (inmode & kNtEnableLineInput) {
tio->c_lflag |= ICANON;
}
if (inmode & kNtEnableEchoInput) {
if ((inmode & kNtEnableEchoInput) || (ttymagic & kFdTtyEchoing)) {
tio->c_lflag |= ECHO;
}
if (!(ttymagic & kFdTtyEchoRaw)) {
tio->c_lflag |= ECHOCTL;
}
if (!(ttymagic & kFdTtyNoCr2Nl)) {
tio->c_iflag |= ICRNL;
}
if (inmode & kNtEnableProcessedInput) {
tio->c_lflag |= IEXTEN | ISIG;
if (tio->c_lflag | ECHO) {
tio->c_lflag |= ECHOE;
}
}
}