Make improvements

- You can now run `make -j8 toolchain` on Windows
- You can now run `make -j` on MacOS ARM64 and BSD OSes
- You can now use our Emacs dev environment on MacOS/Windows
- Fix bug where the x16 register was being corrupted by --ftrace
- The programs under build/bootstrap/ are updated as fat binaries
- The Makefile now explains how to download cosmocc-0.0.12 toolchain
- The build scripts under bin/ now support "cosmo" branded toolchains
- stat() now goes faster on Windows (shaves 100ms off `make` latency)
- Code cleanup and added review on the Windows signal checking code
- posix_spawnattr_setrlimit() now works around MacOS ARM64 bugs
- Landlock Make now favors posix_spawn() on non-Linux/OpenBSD
- posix_spawn() now has better --strace logging on Windows
- fstatat() can now avoid EACCES in more cases on Windows
- fchmod() can now change the readonly bit on Windows
This commit is contained in:
Justine Tunney 2023-10-14 20:57:15 -07:00
parent 06c6baaf50
commit c9fecf3a55
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
109 changed files with 1188 additions and 454 deletions

View file

@ -18,6 +18,7 @@
*/
#include "libc/assert.h"
#include "libc/atomic.h"
#include "libc/calls/createfileflags.internal.h"
#include "libc/calls/internal.h"
#include "libc/calls/sig.internal.h"
#include "libc/calls/state.internal.h"
@ -729,7 +730,7 @@ static textwindows int WaitForConsole(struct Fd *f, sigset_t waitmask) {
ms = __ttyconf.vtime * 100;
}
}
if (f->flags & O_NONBLOCK) {
if (f->flags & _O_NONBLOCK) {
return eagain(); // standard unix non-blocking
}
pt = _pthread_self();
@ -738,12 +739,14 @@ static textwindows int WaitForConsole(struct Fd *f, sigset_t waitmask) {
pthread_cleanup_push((void *)CloseHandle, (void *)sem);
atomic_store_explicit(&pt->pt_blocker, PT_BLOCKER_SEM, memory_order_release);
m = __sig_beginwait(waitmask);
if ((rc = _check_cancel()) != -1 && (rc = _check_signal(true)) != -1) {
if ((rc = _check_signal(true)) != -1) {
int64_t hands[2] = {sem, __keystroke.cin};
unassert(WaitForMultipleObjects(2, hands, 0, ms) != -1u);
if (~pt->pt_flags & PT_RESTARTABLE) rc = eintr();
rc |= _check_signal(true);
if (rc == -1 && errno == EINTR) _check_cancel();
if (WaitForMultipleObjects(2, hands, 0, ms) != -1u) {
if (!(pt->pt_flags & PT_RESTARTABLE)) rc = eintr();
rc |= _check_signal(true);
} else {
rc = __winerr();
}
}
__sig_finishwait(m);
atomic_store_explicit(&pt->pt_blocker, PT_BLOCKER_CPU, memory_order_release);