/* * Copyright 2003-2008, Axel Dörfler, axeld@pinc-software.de. All rights reserved. * Distributed under the terms of the MIT License. */ #ifndef _KERNEL_SIGNAL_H #define _KERNEL_SIGNAL_H #include <KernelExport.h> #include <signal.h> #define KILL_SIGNALS ((1L << (SIGKILL - 1)) | (1L << (SIGKILLTHR - 1))) #define SIGNAL_TO_MASK(signal) (1LL << (signal - 1)) // additional send_signal_etc() flag #define SIGNAL_FLAG_TEAMS_LOCKED (0x10000) // interrupts are disabled and team lock is held #define SIGNAL_FLAG_DONT_RESTART_SYSCALL (0x20000) #ifdef __cplusplus extern "C" { #endif extern bool handle_signals(struct thread *thread); extern bool is_kill_signal_pending(void); extern int has_signals_pending(void *_thread); extern bool is_signal_blocked(int signal); extern void update_current_thread_signals_flag(); extern int sigaction_etc(thread_id threadID, int signal, const struct sigaction *newAction, struct sigaction *oldAction); extern status_t _user_send_signal(pid_t tid, uint sig); extern status_t _user_sigprocmask(int how, const sigset_t *set, sigset_t *oldSet); extern status_t _user_sigaction(int sig, const struct sigaction *newAction, struct sigaction *oldAction); extern bigtime_t _user_set_alarm(bigtime_t time, uint32 mode); extern status_t _user_sigwait(const sigset_t *set, int *_signal); extern status_t _user_sigsuspend(const sigset_t *mask); extern status_t _user_sigpending(sigset_t *set); extern status_t _user_set_signal_stack(const stack_t *newUserStack, stack_t *oldUserStack); #ifdef __cplusplus } #endif #endif /* _KERNEL_SIGNAL_H */