[libc-commits] [libc] [libc] Implement lockf in unistd (#230856) (PR #231145)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- libc/src/unistd/linux/lockf.cpp libc/src/unistd/lockf.h libc/test/integration/src/unistd/lockf_test.cpp libc/test/src/unistd/lockf_test.cpp libc/hdr/unistd_macros.h libc/include/llvm-libc-macros/linux/unistd-macros.h --diff_from_common_commit
``````````

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``````````diff
diff --git a/libc/test/integration/src/unistd/lockf_test.cpp b/libc/test/integration/src/unistd/lockf_test.cpp
index ebd35f478..7c7ee64bb 100644
--- a/libc/test/integration/src/unistd/lockf_test.cpp
+++ b/libc/test/integration/src/unistd/lockf_test.cpp
@@ -42,7 +42,8 @@ TEST_MAIN([[maybe_unused]] int argc, [[maybe_unused]] char **argv,
     if (child_fd < 0)
       LIBC_NAMESPACE::exit(1);
 
-    // F_TEST should fail because the section is locked by another process (parent).
+    // F_TEST should fail because the section is locked by another process
+    // (parent).
     if (LIBC_NAMESPACE::lockf(child_fd, F_TEST, 0) == 0)
       LIBC_NAMESPACE::exit(2);
     if (errno != EACCES && errno != EAGAIN)

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https://github.com/llvm/llvm-project/pull/231145