yawanng marked an inline comment as done.
yawanng added inline comments.

================
Comment at: clang-tidy/android/FileDescriptorCheck.cpp:76
+    int64_t val = aPInt.getSExtValue();
+    if((val & O_CLOEXEC) == 0)
+      return false;
----------------
srhines wrote:
> Using O_CLOEXEC here is potentially a problem, since most of our compiles are 
> cross-compiles. If O_CLOEXEC is different on the target platform than the 
> host platform (where this code is being compiled), this check would fail. 
> Perhaps we can get the value of O_CLOEXEC as defined for the translation unit 
> (and if it isn't defined, that's already a pretty big indicator that any use 
> of these functions will be wrong). Alternately, maybe just re-parsing for 
> "O_CLOEXEC" is better.
I also think re-parsing is better. I will think about this and update soon. 


https://reviews.llvm.org/D33304



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