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Merge "Update the "adding a syscall" docs."

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Treehugger Robot 2016-05-26 21:41:20 +00:00 committed by Gerrit Code Review
parent 8c2467ae07 e2bfe2afaf
commit fdedd86070
1 changed files with 6 additions and 3 deletions
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@ -153,10 +153,13 @@ Adding a system call usually involves:
the appropriate POSIX header file in libc/include/ includes the the appropriate POSIX header file in libc/include/ includes the
relevant file or files. relevant file or files.
4. Add function declarations to the appropriate header file. 4. Add function declarations to the appropriate header file.
5. Add at least basic tests. Even a test that deliberately supplies 5. Add the function name to the correct section in libc/libc.map.txt and
run `./libc/tools/genversion-scripts.py`.
6. Add at least basic tests. Even a test that deliberately supplies
an invalid argument helps check that we're generating the right symbol an invalid argument helps check that we're generating the right symbol
and have the right declaration in the header file. (And strace(1) can and have the right declaration in the header file, and that you correctly
confirm that the correct system call is being made.) updated the maps in step 5. (You can use strace(1) to confirm that the
correct system call is being made.)
Updating kernel header files Updating kernel header files