diff options
Diffstat (limited to 'arch/powerpc/kernel/signal.h')
-rw-r--r-- | arch/powerpc/kernel/signal.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h new file mode 100644 index 00000000000..77efb3d5465 --- /dev/null +++ b/arch/powerpc/kernel/signal.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2007 Benjamin Herrenschmidt, IBM Coproration + * Extracted from signal_32.c and signal_64.c + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file README.legal in the main directory of + * this archive for more details. + */ + +#ifndef _POWERPC_ARCH_SIGNAL_H +#define _POWERPC_ARCH_SIGNAL_H + +#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) + +extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, + size_t frame_size); +extern void restore_sigmask(sigset_t *set); + +extern int handle_signal32(unsigned long sig, struct k_sigaction *ka, + siginfo_t *info, sigset_t *oldset, + struct pt_regs *regs); + +extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka, + siginfo_t *info, sigset_t *oldset, + struct pt_regs *regs); + + +#ifdef CONFIG_PPC64 + +static inline int is_32bit_task(void) +{ + return test_thread_flag(TIF_32BIT); +} + +extern int handle_rt_signal64(int signr, struct k_sigaction *ka, + siginfo_t *info, sigset_t *set, + struct pt_regs *regs); + +#else /* CONFIG_PPC64 */ + +static inline int is_32bit_task(void) +{ + return 1; +} + +static inline int handle_rt_signal64(int signr, struct k_sigaction *ka, + siginfo_t *info, sigset_t *set, + struct pt_regs *regs) +{ + return -EFAULT; +} + +#endif /* !defined(CONFIG_PPC64) */ + +#endif /* _POWERPC_ARCH_SIGNAL_H */ |