https://github.com/torvalds/linux
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Tip revision: bf81b46482c0fa8ea638e409d39768ea92a6b0f0 authored by Linus Torvalds on 07 January 2007, 05:45:51 UTC
Linux 2.6.20-rc4
Tip revision: bf81b46
signal.h
#ifndef __ASM_GENERIC_SIGNAL_H
#define __ASM_GENERIC_SIGNAL_H

#include <linux/compiler.h>

#ifndef SIG_BLOCK
#define SIG_BLOCK          0	/* for blocking signals */
#endif
#ifndef SIG_UNBLOCK
#define SIG_UNBLOCK        1	/* for unblocking signals */
#endif
#ifndef SIG_SETMASK
#define SIG_SETMASK        2	/* for setting the signal mask */
#endif

#ifndef __ASSEMBLY__
typedef void __signalfn_t(int);
typedef __signalfn_t __user *__sighandler_t;

typedef void __restorefn_t(void);
typedef __restorefn_t __user *__sigrestore_t;

#define SIG_DFL	((__force __sighandler_t)0)	/* default signal handling */
#define SIG_IGN	((__force __sighandler_t)1)	/* ignore signal */
#define SIG_ERR	((__force __sighandler_t)-1)	/* error return from signal */
#endif

#endif /* __ASM_GENERIC_SIGNAL_H */
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