Tested on x86_64-linux. * include/atomic.h (atomic_exchange_relaxed): New. -------------- next part -------------- A non-text attachment was scrubbed... Name: rwlock1.patch Type: text/x-patch Size: 1295 bytes Desc: not available URL: <http://sourceware.org/pipermail/libc-alpha/attachments/20160727/81385a85/attachment.bin>