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Make improvements

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- Improved async signal safety of read() particularly for longjmp()
- Started adding cancel cleanup handlers for locks / etc on Windows
- Make /dev/tty work better particularly for uses like `foo | less`
- Eagerly read console input into a linked list, so poll can signal
- Fix some libc definitional bugs, which configure scripts detected
This commit is contained in:
Justine Tunney 2023-09-21 07:30:39 -07:00
parent d6c2830850
commit 0c5dd7b342
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GPG key ID: BE714B4575D6E328
85 changed files with 1062 additions and 671 deletions
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5
libc/calls/poll.c
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@ -68,7 +68,6 @@
int poll(struct pollfd *fds, size_t nfds, int timeout_ms) {
int rc;
size_t n;
uint64_t millis;
BEGIN_CANCELLATION_POINT;
if (IsAsan() &&
@ -81,9 +80,9 @@ int poll(struct pollfd *fds, size_t nfds, int timeout_ms) {
rc = sys_poll_metal(fds, nfds, timeout_ms);
}
} else {
millis = timeout_ms;
BEGIN_BLOCKING_OPERATION;
rc = sys_poll_nt(fds, nfds, &millis, 0);
uint32_t ms = timeout_ms >= 0 ? timeout_ms : -1u;
rc = sys_poll_nt(fds, nfds, &ms, 0);
END_BLOCKING_OPERATION;
}