cosmopolitan/libc/calls/onntconsoleevent.c

50 lines
2.6 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/pushpop.h"
#include "libc/calls/internal.h"
#include "libc/calls/struct/siginfo.h"
#include "libc/nt/enum/ctrlevent.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/sig.h"
textwindows bool32 onntconsoleevent(uint32_t CtrlType) {
int sig;
siginfo_t info;
switch (CtrlType) {
case kNtCtrlCEvent:
sig = pushpop(SIGINT);
break;
case kNtCtrlBreakEvent:
sig = pushpop(SIGQUIT);
break;
case kNtCtrlCloseEvent:
sig = pushpop(SIGHUP);
break;
case kNtCtrlLogoffEvent: // only received by services so hack hack hack
case kNtCtrlShutdownEvent: // only received by services so hack hack hack
sig = pushpop(SIGALRM);
break;
default:
return false;
}
memset(&info, 0, sizeof(info));
info.si_signo = sig;
return __sigenter(sig, &info, NULL);
}