unsigned long int pr_sigpend; /* Set of pending signals. */
unsigned long int pr_sighold; /* Set of held signals. */
#if 0
- struct sigaltstack pr_altstack; /* Alternate stack info. */
+ stack_t pr_altstack; /* Alternate stack info. */
struct sigaction pr_action; /* Signal action for current sig. */
#endif
__pid_t pr_pid;