process.c (rb_waitpid): reduce sigwait_fd bouncing
Once a thread has acquired sigwait_fd, hold onto it until waitpid is complete. This prevents unnecessary migration and atomic operations.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64200 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
process.c (rb_waitpid): reduce sigwait_fd bouncing
Once a thread has acquired sigwait_fd, hold onto it until
waitpid is complete. This prevents unnecessary migration
and atomic operations.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64200 b2dd03c8-39d4-4d8f-98ff-823fe69b080e