#336 pthread_sigmaskをweak
#336 pthread_sigmaskをweak

git-svn-id: cd80887e3794e41b9b8a8e62bf23f077fdcd8e68@7767 1ed66053-1c2d-0410-8867-f7571e6e31d3

chi9rin/ultramonkey-l7v3,chi9rin/ultramonkey-l7v3,chi9rin/ultramonkey-l7v3,chi9rin/ultramonkey-l7v3