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- 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
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GPG key ID: BE714B4575D6E328
109 changed files with 1188 additions and 454 deletions
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6
libc/calls/sig.c
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@ -33,9 +33,7 @@
#include "libc/fmt/itoa.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/bsf.h"
#include "libc/intrin/bsr.h"
#include "libc/intrin/describebacktrace.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/popcnt.h"
#include "libc/intrin/strace.internal.h"
#include "libc/intrin/weaken.h"
@ -105,7 +103,7 @@ static textwindows int __sig_getter(struct CosmoTib *tib, atomic_ulong *sigs) {
pending = atomic_load_explicit(sigs, memory_order_acquire);
masked = atomic_load_explicit(&tib->tib_sigmask, memory_order_acquire);
if ((deliverable = pending & ~masked)) {
sig = _bsf(deliverable) + 1;
sig = _bsfl(deliverable) + 1;
bit = 1ull << (sig - 1);
if (atomic_fetch_and_explicit(sigs, ~bit, memory_order_acq_rel) & bit) {
return sig;
@ -263,7 +261,7 @@ textwindows void __sig_cancel(struct PosixThread *pt, int sig, unsigned flags) {
WakeByAddressSingle(blocker);
}
// the user's signal handler callback is composed with this trampoline
// the user's signal handler callback is wrapped with this trampoline
static textwindows wontreturn void __sig_tramp(struct SignalFrame *sf) {
int sig = sf->si.si_signo;
struct CosmoTib *tib = __get_tls();