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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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13
libc/calls/pause-nt.c
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@ -19,22 +19,11 @@
#include "libc/calls/internal.h"
#include "libc/calls/sig.internal.h"
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/errno.h"
#include "libc/nt/synchronization.h"
#include "libc/thread/posixthread.internal.h"
#include "libc/thread/tls.h"
textwindows int sys_pause_nt(void) {
int rc;
while (!(rc = _check_interrupts(0))) {
struct PosixThread *pt = _pthread_self();
pt->abort_errno = 0;
pt->pt_flags |= PT_INSEMAPHORE;
WaitForSingleObject(pt->semaphore, __SIG_SIG_INTERVAL_MS);
pt->pt_flags &= ~PT_INSEMAPHORE;
if (pt->abort_errno) {
errno = pt->abort_errno;
rc = -1;
if ((rc = __pause_thread(__SIG_SIG_INTERVAL_MS))) {
break;
}
}