mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
997ce29ddc
- SQLite file locking now works on Windows - SQLite will now use fdatasync() on non-Apple platforms - Fix Ctrl-C handler on Windows to not crash with TLS - Signals now work in multithreaded apps on Windows - fcntl() will now accurately report EINVAL errors - fcntl() now has excellent --strace logging - Token bucket replenish now go 100x faster - *NSYNC cancellations now work on Windows - Support closefrom() on NetBSD
62 lines
3.1 KiB
C
62 lines
3.1 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/sig.internal.h"
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#include "libc/intrin/atomic.h"
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#include "libc/intrin/strace.internal.h"
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#include "libc/nexgen32e/nt2sysv.h"
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#include "libc/nt/enum/ctrlevent.h"
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#include "libc/nt/thread.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/sicode.h"
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#include "libc/sysv/consts/sig.h"
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#include "libc/thread/tls.h"
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#include "libc/thread/tls2.h"
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textwindows bool32 __onntconsoleevent(uint32_t dwCtrlType) {
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struct CosmoTib tib;
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struct StackFrame *fr;
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// win32 spawns a thread on its own just to deliver sigint
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// TODO(jart): make signal code lockless so we can delete!
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if (__tls_enabled && !__get_tls_win32()) {
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bzero(&tib, sizeof(tib));
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tib.tib_self = &tib;
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tib.tib_self2 = &tib;
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atomic_store_explicit(&tib.tib_tid, GetCurrentThreadId(),
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memory_order_relaxed);
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__set_tls_win32(&tib);
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}
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STRACE("__onntconsoleevent(%u)", dwCtrlType);
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switch (dwCtrlType) {
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case kNtCtrlCEvent:
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__sig_add(0, SIGINT, SI_KERNEL);
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return true;
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case kNtCtrlBreakEvent:
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__sig_add(0, SIGQUIT, SI_KERNEL);
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return true;
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case kNtCtrlCloseEvent:
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case kNtCtrlLogoffEvent: // only received by services
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case kNtCtrlShutdownEvent: // only received by services
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__sig_add(0, SIGHUP, SI_KERNEL);
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return true;
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default:
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return false;
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}
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}
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