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The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/asm/signal.h


$ cat -n /usr/include/x86_64-linux-gnu/asm/signal.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _ASM_X86_SIGNAL_H
     3	#define _ASM_X86_SIGNAL_H
     4	
     5	#ifndef __ASSEMBLY__
     6	#include <linux/types.h>
     7	
     8	
     9	/* Avoid too many header ordering problems.  */
    10	struct siginfo;
    11	
    12	/* Here we must cater to libcs that poke about in kernel headers.  */
    13	
    14	#define NSIG		32
    15	typedef unsigned long sigset_t;
    16	
    17	#endif /* __ASSEMBLY__ */
    18	
    19	
    20	#define SIGHUP		 1
    21	#define SIGINT		 2
    22	#define SIGQUIT		 3
    23	#define SIGILL		 4
    24	#define SIGTRAP		 5
    25	#define SIGABRT		 6
    26	#define SIGIOT		 6
    27	#define SIGBUS		 7
    28	#define SIGFPE		 8
    29	#define SIGKILL		 9
    30	#define SIGUSR1		10
    31	#define SIGSEGV		11
    32	#define SIGUSR2		12
    33	#define SIGPIPE		13
    34	#define SIGALRM		14
    35	#define SIGTERM		15
    36	#define SIGSTKFLT	16
    37	#define SIGCHLD		17
    38	#define SIGCONT		18
    39	#define SIGSTOP		19
    40	#define SIGTSTP		20
    41	#define SIGTTIN		21
    42	#define SIGTTOU		22
    43	#define SIGURG		23
    44	#define SIGXCPU		24
    45	#define SIGXFSZ		25
    46	#define SIGVTALRM	26
    47	#define SIGPROF		27
    48	#define SIGWINCH	28
    49	#define SIGIO		29
    50	#define SIGPOLL		SIGIO
    51	/*
    52	#define SIGLOST		29
    53	*/
    54	#define SIGPWR		30
    55	#define SIGSYS		31
    56	#define	SIGUNUSED	31
    57	
    58	/* These should not be considered constants from userland.  */
    59	#define SIGRTMIN	32
    60	#define SIGRTMAX	_NSIG
    61	
    62	#define SA_RESTORER	0x04000000
    63	
    64	#define MINSIGSTKSZ	2048
    65	#define SIGSTKSZ	8192
    66	
    67	#include <asm-generic/signal-defs.h>
    68	
    69	#ifndef __ASSEMBLY__
    70	
    71	
    72	/* Here we must cater to libcs that poke about in kernel headers.  */
    73	#ifdef __i386__
    74	
    75	struct sigaction {
    76		union {
    77		  __sighandler_t _sa_handler;
    78		  void (*_sa_sigaction)(int, struct siginfo *, void *);
    79		} _u;
    80		sigset_t sa_mask;
    81		unsigned long sa_flags;
    82		void (*sa_restorer)(void);
    83	};
    84	
    85	#define sa_handler	_u._sa_handler
    86	#define sa_sigaction	_u._sa_sigaction
    87	
    88	#else /* __i386__ */
    89	
    90	struct sigaction {
    91		__sighandler_t sa_handler;
    92		unsigned long sa_flags;
    93		__sigrestore_t sa_restorer;
    94		sigset_t sa_mask;		/* mask last for extensibility */
    95	};
    96	
    97	#endif /* !__i386__ */
    98	
    99	typedef struct sigaltstack {
   100		void *ss_sp;
   101		int ss_flags;
   102		__kernel_size_t ss_size;
   103	} stack_t;
   104	
   105	#endif /* __ASSEMBLY__ */
   106	
   107	#endif /* _ASM_X86_SIGNAL_H */