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This reverts commit r13062 which, unsurprisingly, broke the build.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@13063 0039d316-1c4b-4281-b951-d872f2087c98
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(No review URL: Rietvelt couldn't cope)
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@13062 0039d316-1c4b-4281-b951-d872f2087c98
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The FileDescriptor API is clearly too hard to use. It's the only IPC
data type which is non-POD and serialising an invalid file descriptor
is fatal to Chrome on POSIX. The use of Maybe is possibly non-obvious
to non-functional programmers.
This patch merges Maybe and FileDescriptor so that serialising invalid
file descriptors is permitted and results in -1 at the other end.
(Serialising /closed/ a file descriptor is still fatal.) Also, it adds
a pointer in base/file_descriptor.h to instructions for its use with
IPC. Although it's generally bad practice to mention IPC in base, in
this case I cannot find another suitable location.
Review URL: http://codereview.chromium.org/39208
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@11041 0039d316-1c4b-4281-b951-d872f2087c98
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This patch adds the long planned support for sharing memory on POSIX
by transporting file descriptors. It largely builds on the shared
memory cleanup work by jrg.
We move FileDescriptor out of chrome/common/file_descriptor_posix.h
and into base/file_descriptor_posix.h. Since all that's left in the
chrome/common verion is the DescriptorSet, those files are renamed to
descriptor_set.[h|cc].
The SharedMemoryHandle on POSIX then becomes a typedef to a
FileDescriptor and thus can be serialised over IPC.
After that, it's mostly a case of cleaning up those snippets of code
which considered SharedMemoryHandles to be scaler values.
Review URL: http://codereview.chromium.org/21208
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@9580 0039d316-1c4b-4281-b951-d872f2087c98
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