[Lldb-commits] [PATCH] Extend PipePosix with child_processes_inherit support - to control whether pipe handles should be inherited by a child process.

[Oleksiy Vyalov]

Hi clayborg, emaste,

In order to control resource sharing between processes Pipe::Open() has given a new argument bool child_processes_inherit .
If child_processes_inherit is false take following approaches:
1. On Linux, FreeBSD 10 or higher - use pipe2 with O_CLOEXEC flag.
2. Otherwise - set FD_CLOEXEC flag on read and write pipe descriptors after successful pipe creation.

http://reviews.llvm.org/D6348

Files:
  include/lldb/Host/posix/PipePosix.h
  source/Host/posix/ConnectionFileDescriptorPosix.cpp
  source/Host/posix/PipePosix.cpp
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