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85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
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/*
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* virprocess.c: interaction with processes
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*
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* Copyright (C) 2010-2012 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include <signal.h>
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#include <errno.h>
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#include "virprocess.h"
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/* send signal to a single process */
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int virProcessKill(pid_t pid, int sig)
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{
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if (pid <= 1) {
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errno = ESRCH;
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return -1;
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}
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#ifdef WIN32
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/* Mingw / Windows don't have many signals (AFAIK) */
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switch (sig) {
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case SIGINT:
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/* This does a Ctrl+C equiv */
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if (!GenerateConsoleCtrlEvent(CTRL_C_EVENT, pid)) {
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errno = ESRCH;
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return -1;
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}
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break;
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case SIGTERM:
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/* Since TerminateProcess is closer to SIG_KILL, we do
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* a Ctrl+Break equiv which is more pleasant like the
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* good old unix SIGTERM/HUP
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*/
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if (!GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT, pid)) {
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errno = ESRCH;
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return -1;
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}
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break;
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default:
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{
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HANDLE proc;
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proc = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
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if (!proc) {
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errno = ESRCH; /* Not entirely accurate, but close enough */
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return -1;
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}
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/*
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* TerminateProcess is more or less equiv to SIG_KILL, in that
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* a process can't trap / block it
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*/
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if (sig != 0 && !TerminateProcess(proc, sig)) {
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errno = ESRCH;
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return -1;
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}
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CloseHandle(proc);
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}
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}
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return 0;
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#else
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return kill(pid, sig);
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#endif
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}
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