util-vserver-0.30.208

[util-vserver.git] / lib_internal / util-exitlikeprocess.c

diff --git a/lib_internal/util-exitlikeprocess.c b/lib_internal/util-exitlikeprocess.c
new file mode 100644 (file)
index 0000000..c0c6944
--- /dev/null
+++ b/lib_internal/util-exitlikeprocess.c
@@ -0,0 +1,90 @@
+// $Id: util-exitlikeprocess.c,v 1.4 2005/03/22 14:59:46 ensc Exp $    --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//  
+// 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 <config.h>
+#endif
+
+#include "util.h"
+#include <lib/internal.h>
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/resource.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/resource.h>
+#include <stdio.h>
+
+void
+exitLikeProcess(int pid, char const *cmd, int ret)
+{
+  int                  status;
+  
+  if (wait4(pid, &status, 0,0)==-1) {
+    
+    perror("wait()");
+    exit(ret);
+  }
+
+  if (WIFEXITED(status))
+    exit(WEXITSTATUS(status));
+
+  if (WIFSIGNALED(status)) {
+    struct rlimit      lim = { 0,0 };
+
+    if (cmd) {
+      char             buf[sizeof(int)*3 + 2];
+      size_t           l = utilvserver_fmt_uint(buf, pid);
+      
+      WRITE_MSG(2, "command '");
+      WRITE_STR(2, cmd);
+      WRITE_MSG(2, "' (pid ");
+      Vwrite   (2, buf, l);
+      WRITE_MSG(2, ") exited with signal ");
+      l = utilvserver_fmt_uint(buf, WTERMSIG(status));      
+      Vwrite   (2, buf, l);
+      WRITE_MSG(2, "; following it...\n");
+    }
+
+    // prevent coredumps which might override the real ones
+    setrlimit(RLIMIT_CORE, &lim);
+      
+    kill(getpid(), WTERMSIG(status));
+    exit(1);
+  }
+  else {
+    char               buf[sizeof(int)*3 + 2];
+    size_t             l = utilvserver_fmt_uint(buf, WTERMSIG(status));
+
+    WRITE_MSG(2, "Unexpected status ");
+    Vwrite   (2, buf, l);
+    WRITE_MSG(2, " from '");
+    if (cmd) {
+      WRITE_STR(2, cmd);
+      WRITE_MSG(2, " (pid ");
+    }
+    l = utilvserver_fmt_uint(buf, pid);
+    Vwrite   (2, buf, l);
+    if (cmd) WRITE_MSG(2, ")\n");
+    else     WRITE_MSG(2, "\n");
+
+    exit(ret);
+  }
+}