X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fexitlikeprocess.c;fp=lib%2Fexitlikeprocess.c;h=9236c478250c73f07f38ab70827b2027ec6e6a91;hb=fbc451923c71119a8dc7c6db5e262770bbb57d1f;hp=0000000000000000000000000000000000000000;hpb=17d04acb0a5885b60d12d5c782d8b1af897c22d7;p=util-vserver.git diff --git a/lib/exitlikeprocess.c b/lib/exitlikeprocess.c new file mode 100644 index 0000000..9236c47 --- /dev/null +++ b/lib/exitlikeprocess.c @@ -0,0 +1,78 @@ +// $Id$ --*- c -*-- + +// Copyright (C) 2004 Enrico Scholz +// +// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "vserver.h" + +static int pid; +static void +signalHandler(int signum) +{ + xid_t xid = vc_get_task_xid(pid); + if (xid) + vc_ctx_kill(xid, pid, signum); + else + kill(pid, signum); +} + +void +vc_exitLikeProcess(int p, int ret) +{ + int status, i; + + pid = p; + + for (i = 0; i < 32; i++) + signal(i, signalHandler); + +retry: + if (wait4(pid, &status, 0,0)==-1) { + if (errno==EINTR) + goto retry; + perror("wait()"); + exit(ret); + } + + if (WIFEXITED(status)) + exit(WEXITSTATUS(status)); + + if (WIFSIGNALED(status)) { + struct rlimit lim = { 0,0 }; + + // prevent coredumps which might override the real ones + setrlimit(RLIMIT_CORE, &lim); + + kill(getpid(), WTERMSIG(status)); + exit(1); + } + else + exit(ret); +}