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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
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GPG key ID: BE714B4575D6E328
34 changed files with 580 additions and 376 deletions
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6
libc/calls/interrupts-nt.c
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@ -41,9 +41,15 @@ textwindows int _check_interrupts(int sigops, struct Fd *fd) {
errno = rc;
return -1;
}
if (__tls_enabled) {
__get_tls()->tib_flags |= TIB_FLAG_TIME_CRITICAL;
}
if (_weaken(_check_sigalrm)) {
_weaken(_check_sigalrm)();
}
if (__tls_enabled) {
__get_tls()->tib_flags &= ~TIB_FLAG_TIME_CRITICAL;
}
if (!__tls_enabled || !(__get_tls()->tib_flags & TIB_FLAG_TIME_CRITICAL)) {
if (!(sigops & kSigOpNochld) && _weaken(_check_sigchld)) {
_weaken(_check_sigchld)();