old_mask          530 gc/os_dep.c    static SIGSET_T old_mask;
old_mask          565 gc/os_dep.c        SIGSETMASK(old_mask,new_mask);
old_mask          574 gc/os_dep.c        SIGSETMASK(dummy,old_mask);
old_mask           78 gc/solaris_threads.c static sigset_t old_mask;
old_mask          101 gc/solaris_threads.c     syscall(SYS_sigprocmask, SIG_SETMASK, &set, &old_mask);
old_mask          106 gc/solaris_threads.c     syscall(SYS_sigprocmask, SIG_SETMASK, &old_mask, NULL);