67 lines
2.8 KiB
C
67 lines
2.8 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 │
|
|
│ │
|
|
│ This program is free software; you can redistribute it and/or modify │
|
|
│ it under the terms of the GNU General Public License as published by │
|
|
│ the Free Software Foundation; version 2 of the License. │
|
|
│ │
|
|
│ This program is distributed in the hope that it will be useful, but │
|
|
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
|
|
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
|
|
│ General Public License for more details. │
|
|
│ │
|
|
│ You should have received a copy of the GNU General Public License │
|
|
│ along with this program; if not, write to the Free Software │
|
|
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
|
|
│ 02110-1301 USA │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/calls.h"
|
|
#include "libc/calls/internal.h"
|
|
#include "libc/nt/console.h"
|
|
#include "libc/nt/enum/ctrlevent.h"
|
|
#include "libc/nt/runtime.h"
|
|
#include "libc/sysv/consts/sig.h"
|
|
|
|
static uint32_t GetCtrlEvent(int sig) {
|
|
switch (sig) {
|
|
case SIGINT:
|
|
return kNtCtrlCEvent;
|
|
case SIGHUP:
|
|
return kNtCtrlCloseEvent;
|
|
case SIGQUIT:
|
|
return kNtCtrlBreakEvent;
|
|
default:
|
|
ExitProcess(128 + sig);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sends signal to this process.
|
|
*
|
|
* @param sig can be SIGALRM, SIGINT, SIGTERM, SIGKILL, etc.
|
|
* @return 0 on success or -1 w/ errno
|
|
* @asyncsignalsafe
|
|
*/
|
|
int raise(int sig) {
|
|
if (sig == SIGTRAP) {
|
|
DebugBreak();
|
|
return 0;
|
|
}
|
|
if (sig == SIGFPE) {
|
|
volatile int x = 0;
|
|
x = 1 / x;
|
|
return 0;
|
|
}
|
|
if (!IsWindows()) {
|
|
return kill$sysv(getpid(), sig, 1);
|
|
} else {
|
|
if (GenerateConsoleCtrlEvent(GetCtrlEvent(sig), 0)) {
|
|
return 0;
|
|
} else {
|
|
return __winerr();
|
|
}
|
|
}
|
|
}
|