mojo/edk/system/data_pipe.h - Issue 703573002: Implement a MOJO_READ_DATA_FLAG_PEEK flag for data pipes.

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Unified Diff: mojo/edk/system/data_pipe.h

Issue 703573002: Implement a MOJO_READ_DATA_FLAG_PEEK flag for data pipes. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Test peek in 2-phase mode. Created 6 years, 1 month ago

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Index: mojo/edk/system/data_pipe.h

diff --git a/mojo/edk/system/data_pipe.h b/mojo/edk/system/data_pipe.h

index 64b18e20a911d9377f20736ffbd5d182904c20a9..d4afddad2bbfd1477c3e4bc41fdfc8b9ecf1cc0d 100644

--- a/mojo/edk/system/data_pipe.h

+++ b/mojo/edk/system/data_pipe.h

@@ -73,7 +73,8 @@ class MOJO_SYSTEM_IMPL_EXPORT DataPipe

// a multiple of |element_num_bytes_|.

MojoResult ConsumerReadData(UserPointer<void> elements,

UserPointer<uint32_t> num_bytes,

- bool all_or_none);

+ bool all_or_none,

+ bool peek);

MojoResult ConsumerDiscardData(UserPointer<uint32_t> num_bytes,

bool all_or_none);

MojoResult ConsumerQueryData(UserPointer<uint32_t> num_bytes);

@@ -120,7 +121,8 @@ class MOJO_SYSTEM_IMPL_EXPORT DataPipe

UserPointer<void> elements,

UserPointer<uint32_t> num_bytes,

uint32_t max_num_bytes_to_read,

- uint32_t min_num_bytes_to_read) = 0;

+ uint32_t min_num_bytes_to_read,

+ bool peek) = 0;

virtual MojoResult ConsumerDiscardDataImplNoLock(

UserPointer<uint32_t> num_bytes,

uint32_t max_num_bytes_to_discard,

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