Using the sigprocmask() for this purpose has too many side-effects. This reverts commit 344f7bc9f61d139b932bf6c6a5001e7a8e54409d.
Using the sigprocmask() for this purpose has too many side-effects. This reverts commit 344f7bc9f61d139b932bf6c6a5001e7a8e54409d.