Linux Sandbox: add RawSandboxDie()

sandbox/linux/seccomp-bpf/die.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <errno.h>
 #include <linux/unistd.h>
 #include <stdio.h>
 #include <sys/prctl.h>
 
 #include <string>
@@ skipping 37 matching lines @@
   } else {
     #if defined(SECCOMP_BPF_STANDALONE)
       Die::LogToStderr(msg, file, line);
     #else
       logging::LogMessage(file, line, logging::LOG_FATAL).stream() << msg;
     #endif
   }
   ExitGroup();
 }
 
+void Die::RawSandboxDie(const char *msg) {
+  if (!msg)
+    msg = "";
+  RAW_LOG(FATAL, msg);
+  ExitGroup();
+}
+
 void Die::SandboxInfo(const char *msg, const char *file, int line) {
   if (!suppress_info_) {
   #if defined(SECCOMP_BPF_STANDALONE)
     Die::LogToStderr(msg, file, line);
   #else
     logging::LogMessage(file, line, logging::LOG_INFO).stream() << msg;
   #endif
   }
 }
 
 void Die::LogToStderr(const char *msg, const char *file, int line) {
   if (msg) {
     char buf[40];
     snprintf(buf, sizeof(buf), "%d", line);
     std::string s = std::string(file) + ":" + buf + ":" + msg + "\n";
 
     // No need to loop. Short write()s are unlikely and if they happen we
     // probably prefer them over a loop that blocks.
     if (HANDLE_EINTR(SandboxSyscall(__NR_write, 2, s.c_str(), s.length()))) { }
   }
 }
 
 bool Die::simple_exit_   = false;
 bool Die::suppress_info_ = false;
 
 }  // namespace