func golang.org/x/sys/unix.PthreadSigmask

one use

	golang.org/x/sys/unix (current package)
		syscall_linux.go#L2567: func PthreadSigmask(how int, set, oldset *Sigset_t) error {

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)