Add m-esr52 at 52.6.0

1 files changed, 130 insertions, 0 deletions

diff --git a/netwerk/ipc/NeckoCommon.h b/netwerk/ipc/NeckoCommon.h
new file mode 100644
index 000000000..ed92ac25e
--- /dev/null
+++ b/netwerk/ipc/NeckoCommon.h
@@ -0,0 +1,130 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et 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_net_NeckoCommon_h
+#define mozilla_net_NeckoCommon_h
+
+#include "nsXULAppAPI.h"
+#include "prenv.h"
+#include "nsPrintfCString.h"
+#include "mozilla/Preferences.h"
+
+namespace mozilla { namespace dom {
+class TabChild;
+} // namespace dom
+} // namespace mozilla
+
+#if defined(DEBUG)
+# define NECKO_ERRORS_ARE_FATAL_DEFAULT true
+#else
+# define NECKO_ERRORS_ARE_FATAL_DEFAULT false
+#endif 
+
+// TODO: Eventually remove NECKO_MAYBE_ABORT and DROP_DEAD (bug 575494).
+// Still useful for catching listener interfaces we don't yet support across
+// processes, etc.
+
+#define NECKO_MAYBE_ABORT(msg)                                                 \
+  do {                                                                         \
+    bool abort = NECKO_ERRORS_ARE_FATAL_DEFAULT;                               \
+    const char *e = PR_GetEnv("NECKO_ERRORS_ARE_FATAL");                       \
+    if (e)                                                                     \
+      abort = (*e == '0') ? false : true;                                      \
+    if (abort) {                                                               \
+      msg.Append(" (set NECKO_ERRORS_ARE_FATAL=0 in your environment to "      \
+                      "convert this error into a warning.)");                  \
+      NS_RUNTIMEABORT(msg.get());                                              \
+    } else {                                                                   \
+      msg.Append(" (set NECKO_ERRORS_ARE_FATAL=1 in your environment to "      \
+                      "convert this warning into a fatal error.)");            \
+      NS_WARNING(msg.get());                                                   \
+    }                                                                          \
+  } while (0)
+
+#define DROP_DEAD()                                                            \
+  do {                                                                         \
+    nsPrintfCString msg("NECKO ERROR: '%s' UNIMPLEMENTED",                     \
+                        __FUNCTION__);                                         \
+    NECKO_MAYBE_ABORT(msg);                                                    \
+    return NS_ERROR_NOT_IMPLEMENTED;                                           \
+  } while (0)
+
+#define ENSURE_CALLED_BEFORE_ASYNC_OPEN()                                      \
+  do {                                                                         \
+    if (mIsPending || mWasOpened) {                                            \
+      nsPrintfCString msg("'%s' called after AsyncOpen: %s +%d",               \
+                          __FUNCTION__, __FILE__, __LINE__);                   \
+      NECKO_MAYBE_ABORT(msg);                                                  \
+    }                                                                          \
+    NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS);                         \
+    NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED);                      \
+  } while (0)
+
+// Fails call if made after request observers (on-modify-request, etc) have been
+// called
+
+#define ENSURE_CALLED_BEFORE_CONNECT()                                         \
+  do {                                                                         \
+    if (mRequestObserversCalled) {                                             \
+      nsPrintfCString msg("'%s' called too late: %s +%d",                      \
+                          __FUNCTION__, __FILE__, __LINE__);                   \
+      NECKO_MAYBE_ABORT(msg);                                                  \
+      if (mIsPending)                                                          \
+        return NS_ERROR_IN_PROGRESS;                                           \
+      MOZ_ASSERT(mWasOpened);                                                  \
+      return NS_ERROR_ALREADY_OPENED;                                          \
+    }                                                                          \
+  } while (0)
+
+namespace mozilla {
+namespace net {
+
+inline bool 
+IsNeckoChild() 
+{
+  static bool didCheck = false;
+  static bool amChild = false;
+
+  if (!didCheck) {
+    didCheck = true;
+    amChild = (XRE_GetProcessType() == GeckoProcessType_Content);
+  }
+  return amChild;
+}
+
+namespace NeckoCommonInternal {
+  extern bool gSecurityDisabled;
+  extern bool gRegisteredBool;
+} // namespace NeckoCommonInternal
+
+// This should always return true unless xpcshell tests are being used
+inline bool
+UsingNeckoIPCSecurity()
+{
+  return !NeckoCommonInternal::gSecurityDisabled;
+}
+
+inline bool
+MissingRequiredTabChild(mozilla::dom::TabChild* tabChild,
+                        const char* context)
+{
+  if (UsingNeckoIPCSecurity()) {
+    if (!tabChild) {
+      printf_stderr("WARNING: child tried to open %s IPDL channel w/o "
+                    "security info\n", context);
+      return true;
+    }
+  }
+  return false;
+}
+
+
+} // namespace net
+} // namespace mozilla
+
+#endif // mozilla_net_NeckoCommon_h
+