[HADOOP-7059] Remove "unused" warning in native code

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.21.0
• Fix Version/s: 0.23.0
• Component/s: native
• Hadoop Flags: Reviewed
• Release Note: Adds __attribute__ ((unused))
• Assignee: Noah Watkins
• Reporter: Noah Watkins
• Created: 07/Dec/10 21:50
• Updated: 12/Dec/10 11:13
• Resolved: 12/Dec/10 02:20

Description

The file:
src/native/src/org_apache_hadoop.h

declares the static function "do_dlsym" in the header as non-inline. Files including the header (e.g. for the THROW macro) receive a "defined but unused" warning during compilation.

This function should either a) be inlined or b) use GCC "unused" attribute.