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dcfc4cc6da
A lot of existing code has variations on:
if (ManagedPFooChild().Length()) {
...(ManagedPFooChild()[0])...
}
// Do something with nullptr, or some other action.
It's pretty reasonable to repeat this code when the managed protocols
are stored in an array; the code gets much less nice when managed
protocols are stored in a hashtable. Let's write a small utility
function to handle those details for us. Then when we change the
underlying storage, we only need to update this function, rather than a
bunch of callsites.
ProtocolUtils.h is included by all the generated IPDL headers, so
LoneManagedOrNull should be available everywhere the above pattern would
be encountered.
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|---|---|---|
| .. | ||
| BackgroundChild.h | ||
| BackgroundChildImpl.cpp | ||
| BackgroundChildImpl.h | ||
| BackgroundImpl.cpp | ||
| BackgroundParent.h | ||
| BackgroundParentImpl.cpp | ||
| BackgroundParentImpl.h | ||
| BackgroundUtils.cpp | ||
| BackgroundUtils.h | ||
| BrowserProcessSubThread.cpp | ||
| BrowserProcessSubThread.h | ||
| CrossProcessMutex_posix.cpp | ||
| CrossProcessMutex_unimplemented.cpp | ||
| CrossProcessMutex_windows.cpp | ||
| CrossProcessMutex.h | ||
| FileDescriptor.cpp | ||
| FileDescriptor.h | ||
| FileDescriptorSetChild.cpp | ||
| FileDescriptorSetChild.h | ||
| FileDescriptorSetParent.cpp | ||
| FileDescriptorSetParent.h | ||
| FileDescriptorUtils.cpp | ||
| FileDescriptorUtils.h | ||
| GeckoChildProcessHost.cpp | ||
| GeckoChildProcessHost.h | ||
| InputStreamParams.ipdlh | ||
| InputStreamUtils.cpp | ||
| InputStreamUtils.h | ||
| IOThreadChild.h | ||
| IPCMessageUtils.h | ||
| Makefile.in | ||
| MessageChannel.cpp | ||
| MessageChannel.h | ||
| MessageLink.cpp | ||
| MessageLink.h | ||
| MessagePump.cpp | ||
| MessagePump.h | ||
| moz.build | ||
| Neutering.h | ||
| nsIIPCBackgroundChildCreateCallback.h | ||
| nsIIPCSerializableInputStream.h | ||
| nsIIPCSerializableURI.h | ||
| PBackground.ipdl | ||
| PBackgroundSharedTypes.ipdlh | ||
| PBackgroundTest.ipdl | ||
| PFileDescriptorSet.ipdl | ||
| PProcLoader.ipdl | ||
| ProcessChild.cpp | ||
| ProcessChild.h | ||
| ProcessUtils_bsd.cpp | ||
| ProcessUtils_linux.cpp | ||
| ProcessUtils_mac.mm | ||
| ProcessUtils_none.cpp | ||
| ProcessUtils.h | ||
| ProtocolTypes.ipdlh | ||
| ProtocolUtils.cpp | ||
| ProtocolUtils.h | ||
| ScopedXREEmbed.cpp | ||
| ScopedXREEmbed.h | ||
| SharedMemory_posix.cpp | ||
| SharedMemory_windows.cpp | ||
| SharedMemory.cpp | ||
| SharedMemory.h | ||
| SharedMemoryBasic_android.cpp | ||
| SharedMemoryBasic_android.h | ||
| SharedMemoryBasic_chromium.h | ||
| SharedMemoryBasic_mach.h | ||
| SharedMemoryBasic_mach.mm | ||
| SharedMemoryBasic.h | ||
| SharedMemorySysV.h | ||
| Shmem.cpp | ||
| Shmem.h | ||
| StringUtil.cpp | ||
| Transport_posix.cpp | ||
| Transport_posix.h | ||
| Transport_win.cpp | ||
| Transport_win.h | ||
| Transport.h | ||
| URIParams.ipdlh | ||
| URIUtils.cpp | ||
| URIUtils.h | ||
| WindowsMessageLoop.cpp | ||
| WindowsMessageLoop.h | ||