[mirror_ubuntu-focal-kernel.git] / include / linux / signal_types.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SIGNAL_TYPES_H
#define _LINUX_SIGNAL_TYPES_H

/*
 * Basic signal handling related data type definitions:
 */

#include <linux/list.h>
#include <uapi/linux/signal.h>

typedef struct kernel_siginfo {
	__SIGINFO;
} kernel_siginfo_t;

/*
 * Real Time signals may be queued.
 */

struct sigqueue {
	struct list_head list;
	int flags;
	kernel_siginfo_t info;
	struct user_struct *user;
};

/* flags values. */
#define SIGQUEUE_PREALLOC	1

struct sigpending {
	struct list_head list;
	sigset_t signal;
};

struct sigaction {
#ifndef __ARCH_HAS_IRIX_SIGACTION
	__sighandler_t	sa_handler;
	unsigned long	sa_flags;
#else
	unsigned int	sa_flags;
	__sighandler_t	sa_handler;
#endif
#ifdef __ARCH_HAS_SA_RESTORER
	__sigrestore_t sa_restorer;
#endif
	sigset_t	sa_mask;	/* mask last for extensibility */
};

struct k_sigaction {
	struct sigaction sa;
#ifdef __ARCH_HAS_KA_RESTORER
	__sigrestore_t ka_restorer;
#endif
};

#ifdef CONFIG_OLD_SIGACTION
struct old_sigaction {
	__sighandler_t sa_handler;
	old_sigset_t sa_mask;
	unsigned long sa_flags;
	__sigrestore_t sa_restorer;
};
#endif

struct ksignal {
	struct k_sigaction ka;
	kernel_siginfo_t info;
	int sig;
};

#endif /* _LINUX_SIGNAL_TYPES_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
e6d930b4 IM	2	#ifndef _LINUX_SIGNAL_TYPES_H
	3	#define _LINUX_SIGNAL_TYPES_H
	4
76960dbf IM	5	/*
	6	* Basic signal handling related data type definitions:
	7	*/
	8
e6d930b4 IM	9	#include <linux/list.h>
	10	#include <uapi/linux/signal.h>
	11
ae7795bc	12	typedef struct kernel_siginfo {
4ce5f9c9	13	__SIGINFO;
ae7795bc EB	14	} kernel_siginfo_t;
ae7795bc EB	15
76960dbf IM	16	/*
	17	* Real Time signals may be queued.
	18	*/
	19
	20	struct sigqueue {
	21	struct list_head list;
	22	int flags;
ae7795bc	23	kernel_siginfo_t info;
76960dbf IM	24	struct user_struct *user;
	25	};
	26
	27	/* flags values. */
	28	#define SIGQUEUE_PREALLOC 1
	29
	30	struct sigpending {
	31	struct list_head list;
	32	sigset_t signal;
	33	};
	34
	35	struct sigaction {
	36	#ifndef __ARCH_HAS_IRIX_SIGACTION
	37	__sighandler_t sa_handler;
	38	unsigned long sa_flags;
	39	#else
	40	unsigned int sa_flags;
	41	__sighandler_t sa_handler;
	42	#endif
	43	#ifdef __ARCH_HAS_SA_RESTORER
	44	__sigrestore_t sa_restorer;
	45	#endif
	46	sigset_t sa_mask; /* mask last for extensibility */
	47	};
	48
	49	struct k_sigaction {
	50	struct sigaction sa;
	51	#ifdef __ARCH_HAS_KA_RESTORER
	52	__sigrestore_t ka_restorer;
	53	#endif
	54	};
	55
	56	#ifdef CONFIG_OLD_SIGACTION
	57	struct old_sigaction {
	58	__sighandler_t sa_handler;
	59	old_sigset_t sa_mask;
	60	unsigned long sa_flags;
	61	__sigrestore_t sa_restorer;
	62	};
	63	#endif
	64
	65	struct ksignal {
	66	struct k_sigaction ka;
ae7795bc	67	kernel_siginfo_t info;
76960dbf IM	68	int sig;
	69	};
	70
e6d930b4	71	#endif /* _LINUX_SIGNAL_TYPES_H */