The C and C++ Include Header Files

/usr/include/asm-generic/signal.h


$ cat -n /usr/include/asm-generic/signal.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef __ASM_GENERIC_SIGNAL_H
     3	#define __ASM_GENERIC_SIGNAL_H
     4	
     5	#include <linux/types.h>
     6	
     7	#define _NSIG		64
     8	#define _NSIG_BPW	__BITS_PER_LONG
     9	#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
    10	
    11	#define SIGHUP		 1
    12	#define SIGINT		 2
    13	#define SIGQUIT		 3
    14	#define SIGILL		 4
    15	#define SIGTRAP		 5
    16	#define SIGABRT		 6
    17	#define SIGIOT		 6
    18	#define SIGBUS		 7
    19	#define SIGFPE		 8
    20	#define SIGKILL		 9
    21	#define SIGUSR1		10
    22	#define SIGSEGV		11
    23	#define SIGUSR2		12
    24	#define SIGPIPE		13
    25	#define SIGALRM		14
    26	#define SIGTERM		15
    27	#define SIGSTKFLT	16
    28	#define SIGCHLD		17
    29	#define SIGCONT		18
    30	#define SIGSTOP		19
    31	#define SIGTSTP		20
    32	#define SIGTTIN		21
    33	#define SIGTTOU		22
    34	#define SIGURG		23
    35	#define SIGXCPU		24
    36	#define SIGXFSZ		25
    37	#define SIGVTALRM	26
    38	#define SIGPROF		27
    39	#define SIGWINCH	28
    40	#define SIGIO		29
    41	#define SIGPOLL		SIGIO
    42	/*
    43	#define SIGLOST		29
    44	*/
    45	#define SIGPWR		30
    46	#define SIGSYS		31
    47	#define	SIGUNUSED	31
    48	
    49	/* These should not be considered constants from userland.  */
    50	#define SIGRTMIN	32
    51	#ifndef SIGRTMAX
    52	#define SIGRTMAX	_NSIG
    53	#endif
    54	
    55	#if !defined MINSIGSTKSZ || !defined SIGSTKSZ
    56	#define MINSIGSTKSZ	2048
    57	#define SIGSTKSZ	8192
    58	#endif
    59	
    60	#ifndef __ASSEMBLY__
    61	typedef struct {
    62		unsigned long sig[_NSIG_WORDS];
    63	} sigset_t;
    64	
    65	/* not actually used, but required for linux/syscalls.h */
    66	typedef unsigned long old_sigset_t;
    67	
    68	#include <asm-generic/signal-defs.h>
    69	
    70	#ifdef SA_RESTORER
    71	#define __ARCH_HAS_SA_RESTORER
    72	#endif
    73	
    74	struct sigaction {
    75		__sighandler_t sa_handler;
    76		unsigned long sa_flags;
    77	#ifdef SA_RESTORER
    78		__sigrestore_t sa_restorer;
    79	#endif
    80		sigset_t sa_mask;		/* mask last for extensibility */
    81	};
    82	
    83	typedef struct sigaltstack {
    84		void *ss_sp;
    85		int ss_flags;
    86		__kernel_size_t ss_size;
    87	} stack_t;
    88	
    89	#endif /* __ASSEMBLY__ */
    90	
    91	#endif /* __ASM_GENERIC_SIGNAL_H */