1 files changed, 47 insertions, 0 deletions
diff --git a/security/sandbox/linux/SandboxReporterClient.h b/security/sandbox/linux/SandboxReporterClient.h
new file mode 100644
index 0000000000..335472a7f9
--- /dev/null
+++ b/security/sandbox/linux/SandboxReporterClient.h
@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_SandboxReporterClient_h
+#define mozilla_SandboxReporterClient_h
+
+#include "reporter/SandboxReporterCommon.h"
+
+namespace mozilla {
+
+// This class is instantiated in child processes in Sandbox.cpp to
+// send reports from the SIGSYS handler to the SandboxReporter
+// instance in the parent.
+class SandboxReporterClient {
+ public:
+  // Note: this does not take ownership of the file descriptor; if
+  // it's not kSandboxReporterFileDesc (e.g., for unit testing), the
+  // caller will need to close it to avoid leaks.
+  SandboxReporterClient(SandboxReport::ProcType aProcType, int aFd);
+
+  // This constructor uses the default fd (kSandboxReporterFileDesc)
+  // for a sandboxed child process.
+  explicit SandboxReporterClient(SandboxReport::ProcType aProcType);
+
+  // Constructs a report from a signal context (the ucontext_t* passed
+  // as void* to an sa_sigaction handler); uses the caller's pid and tid.
+  SandboxReport MakeReport(const void* aContext);
+
+  void SendReport(const SandboxReport& aReport);
+
+  SandboxReport MakeReportAndSend(const void* aContext) {
+    SandboxReport report = MakeReport(aContext);
+    SendReport(report);
+    return report;
+  }
+
+ private:
+  SandboxReport::ProcType mProcType;
+  int mFd;
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_SandboxReporterClient_h