signal.c (sig_trap): avoid pthread_sigmask(xx, &mask, &mask) usage because FreeBSD don't permit it. If it's used, it behave as pthread_sigmask(xx, NULL, &mask).
signal.c (init_sigchld): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@31519 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by yugui (Yuki Sonoda) about 14 years ago
merges r30919 from trunk into ruby_1_9_2.¶
signal.c (sig_trap): avoid pthread_sigmask(xx, &mask, &mask) usage
because FreeBSD don't permit it. If it's used, it behave as
pthread_sigmask(xx, NULL, &mask).
signal.c (init_sigchld): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@31519 b2dd03c8-39d4-4d8f-98ff-823fe69b080e