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Re: LYNX-DEV Informational message in Lynx 2.7 build with DEC C V5.3
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From: |
Brian Tillman, x8425 |
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Subject: |
Re: LYNX-DEV Informational message in Lynx 2.7 build with DEC C V5.3 |
|
Date: |
Wed, 26 Feb 1997 09:12:42 EST |
#ifndef __SIGNAL_LOADED
#define __SIGNAL_LOADED 1
/****************************************************************************
**
** <signal.h> - Signal Handling
**
*****************************************************************************
** Header introduced by the ANSI C Standard
*****************************************************************************
**
** Copyright Digital Equipment Corporation 1994, 1995. All rights reserved.
**
** Restricted Rights: Use, duplication, or disclosure by the U.S.
** Government is subject to restrictions as set forth in subparagraph
** (c) (1) (ii) of DFARS 252.227-7013, or in FAR 52.227-19, or in FAR
** 52.227-14 Alt. III, as applicable.
**
** This software is proprietary to and embodies the confidential
** technology of Digital Equipment Corporation. Possession, use, or
** copying of this software and media is authorized only pursuant to a
** valid written license from Digital or an authorized sublicensor.
**
******************************************************************************
*/
#pragma __nostandard
/*
** Set up feature test macros
*/
# if defined _XOPEN_SOURCE_EXTENDED && !defined _XOPEN_SOURCE
# define _XOPEN_SOURCE
# endif
# if defined _XOPEN_SOURCE && _POSIX_C_SOURCE < 2
# undef _POSIX_C_SOURCE
# define _POSIX_C_SOURCE 2
# endif
# if defined _POSIX_SOURCE && _POSIX_C_SOURCE < 1
# undef _POSIX_C_SOURCE /* _POSIX_SOURCE obsolete. */
# define _POSIX_C_SOURCE 1 /* #define _POSIX_C_SOURCE 1 instead */
# endif
# if defined _POSIX_C_SOURCE && !defined _ANSI_C_SOURCE
# define _ANSI_C_SOURCE
# endif
# if defined __HIDE_FORBIDDEN_NAMES && !defined _ANSI_C_SOURCE
# define _ANSI_C_SOURCE
# endif
#ifdef __cplusplus
extern "C" {
#endif
/*
** Ensure that regardless of user /pointer_size usage, we begin processing
** using a 32 bit pointer context.
*/
#if __INITIAL_POINTER_SIZE
# if (__VMS_VER < 70000000) || !defined __ALPHA
# error " Pointer size usage not permitted before OpenVMS Alpha V7.0"
# endif
# pragma __pointer_size __save
# pragma __pointer_size 32
#endif
/*
** The DEC C RTL relies on the use of extern_prefix support in the compilers.
** The scenario of a customer getting these new headers via DEC C++, while at
** the same time using a compiler before DEC C V5.2 is still supported.
**
** Note that not having the ability to use #pragma extern_prefix may lead to
** certain restrictions in the ability to use new functionality.
*/
#if (__DECC_VER > 50230003) || __DECCXX
# define __CAN_USE_EXTERN_PREFIX 1
#endif
/*
** Naturally align data structures
*/
#pragma __member_alignment __save
#pragma __member_alignment
/*
** Private definitions
*/
/*
** __sighnd_t is a pointer to function, where the function is declared
** void f(int code);
**
** __bsd_sighnd_t is a pointer to function, where the function is:
** void f(int code, ... );
**
** __vms_handler is a pointer to function, wher the function is:
** unsigned int f(void *sigarr, void *mecharr)
**
** These definition are private to this header and subject to change.
*/
typedef void (*__sighnd_t) (int);
typedef void (*__bsd_sighnd_t)(int, ... );
typedef unsigned int (*__vms_handler) ( void *__sigarr, void *__mecharr );
#ifndef ____PID_T
# define ____PID_T 1
typedef int __pid_t;
#endif
#if __VMS_VER >= 70000000
# ifndef ____SIGSET_T
# define ____SIGSET_T 1
typedef struct {unsigned int _set[2];} __sigset_t;
# endif
#endif
# define _SIG_MIN 1
#if __VMS_VER >= 70000000
# define _SIG_MAX 64
#elif __VMS_VER >= 60200000
# define _SIG_MAX 17
#else
# define _SIG_MAX 15
# endif
/*
** ANSI C Public data definitions and declarations
*/
#define SIG_ERR ((__sighnd_t)(-1))
#define SIG_DFL ((__sighnd_t)0)
#define SIG_IGN ((__sighnd_t)1)
typedef int sig_atomic_t;
/*
** ISO POSIX-1 public data definitions and declarations
*/
#if defined _POSIX_C_SOURCE || !defined _ANSI_C_SOURCE
# if __VMS_VER >= 70000000
# define SIG_UNBLOCK 0
# define SIG_BLOCK 1
# define SIG_SETMASK 2
# define SA_NOCLDSTOP 0x20
# if !defined __SIGSET_T && !defined _SIGSET_T_ && !defined
_DECC_V4_SOURCE
# define __SIGSET_T 1
# define _SIGSET_T_ 1 /* <cma_sigwait.h> uses this symbol */
typedef __sigset_t sigset_t;
# endif
# pragma __extern_model __save
# pragma __extern_model __common_block noshr
static const __sigset_t _SIG_EMPTY_SET = {0x00000000, 0x00000000},
_SIG_FULL_SET = {0xFFFFFFFF, 0xFFFFFFFF};
# pragma __extern_model __restore
struct sigaction
{
__sighnd_t sa_handler;
__sigset_t sa_mask;
int sa_flags;
};
# endif
#endif
/*
** XPG4 public data definitions and declarations
*/
#if defined _XOPEN_SOURCE || !defined _ANSI_C_SOURCE
# if !defined __PID_T && !defined _DECC_V4_SOURCE
# define __PID_T 1
typedef __pid_t pid_t;
# endif
#endif
/*
** XPG4 V2 public data definitions and declarations
*/
#if defined _XOPEN_SOURCE_EXTENDED || !defined _ANSI_C_SOURCE
struct sigstack {
char *ss_sp; /* signal stack pointer */
int ss_onstack; /* current status */
};
# if __VMS_VER >= 70000000
# define SA_ONSTACK 0x01
# define SA_RESETHAND 0x02
# define SA_NODEFER 0x08
# endif
#endif
/*
** DEC C extensions -- public data definitions and declarations
*/
#ifndef _ANSI_C_SOURCE
struct sigvec
{
void (*sv_handler)(); /* handler address */
int sv_mask; /* mask of signals to be blocked */
int sv_onstack; /* flag to indicate signal stack */
};
struct sigcontext
{
int sc_onstack; /* signal stack flag to restore */
int sc_mask; /* signal mask to restore */
int sc_sp; /* stack pointerto restore */
int sc_pc; /* pc to return to */
int sc_ps; /* psl to restore */
};
#endif
/*
** The following signals are defined by the ANSI C standard (ISO/IEC 9899:1990)
*/
#define SIGABRT 6 /* Abnormal termination signal */
#define SIGFPE 8 /* Erroneous arithmetic operation */
#define SIGILL 4 /* Detection of an invalid hardware instr. */
#define SIGINT 2 /* Interactive attention signal */
#define SIGSEGV 11 /* segmentation violation */
#define SIGTERM 15 /* External termination signal */
/*
** The following signals are defined by ISO POSIX-1 (ISO/IEC 9945-1:1990)
*/
#if defined _POSIX_C_SOURCE || !defined _ANSI_C_SOURCE
# define SIGALRM 14 /* Timeout signal */
# define SIGHUP 1 /* Hangup detected on controlling terminal */
# define SIGKILL 9 /* External termination signal */
# define SIGPIPE 13 /* Write on a pipe with no readers */
# define SIGQUIT 3 /* Interactive termination signal */
# if __VMS_VER >= 60200000
# define SIGUSR1 16 /* Application-defined signal 1 */
# define SIGUSR2 17 /* Application-defined signal 2 */
# endif
# if __VMS_VER >= 70000000
# define SIGCHLD 20 /* Child process terminated or stopped */
# define SIGCONT 21 /* Continue if stopped */
# define SIGSTOP 22 /* Job control stop signal */
# define SIGTSTP 23 /* Interactive stop signal */
# define SIGTTIN 24 /* Terminal read by background process */
# define SIGTTOU 25 /* Terminal write by background process */
# endif
#endif
/*
** Defined by XPG4 V2
*/
#if defined _XOPEN_SOURCE_EXTENDED || !defined _ANSI_C_SOURCE
# define SIGTRAP 5 /* TBIT trace trap or BPT instruction */
# define SIGSYS 12 /* Bad arguments to system call */
#endif
/*
** DEC C Extensions
*/
#ifndef _ANSI_C_SOURCE
# define SIGIOT 6 /* Obsolete name - 6 reused as SIGABRT */
# define SIGEMT 7 /* Opcode reserved to customer */
# define SIGBUS 10 /* invalid access to memory objects */
# if __VMS_VER >= 70000000
# define SIGSPARE18 18 /* Reserved for future expansions */
# define SIGSPARE19 19 /* Reserved for future expansions */
# define SIGDEBUG 26 /* Permanently reserved to Digital */
# define SIGSPARE27 27 /* Reserved for future expansions */
# define SIGSPARE28 28 /* Reserved for future expansions */
# define SIGSPARE29 29 /* Reserved for future expansions */
# define SIGSPARE30 30 /* Reserved for future expansions */
# define SIGSPARE31 31 /* Reserved for future expansions */
# define SIGSPARE32 32 /* Reserved for future expansions */
# define SIGRTMIN 33 /* First realtime signal (1003.1b) */
# define SIGRTMAX 64 /* Last realtime signal (1003.1b) */
# endif
# define NSIG _SIG_MAX
# define BADSIG SIG_ERR
# define ILL_RESAD_FAULT 0x0 /* reserved addressing mode fault */
# define ILL_PRIVIN_FAULT 0x1 /* privilidged instruction fault */
# define ILL_RESOP_FAULT 0x2 /* reserved operand fault */
# define FPE_INTOVF_TRAP 0x1
# define FPE_INTDIV_TRAP 0x2
# define FPE_FLTOVF_TRAP 0x3
# define FPE_FLTDIV_TRAP 0x4
# define FPE_FLTUND_TRAP 0x5
# define FPE_DECOVF_TRAP 0x6
# ifdef __VAX
# define FPE_SUBRNG_TRAP 0x7
# else
# define FPE_INXRES_TRAP 0x7
# endif
# define FPE_FLTOVF_FAULT 0x8
# define FPE_FLTDIV_FAULT 0x9
# define FPE_FLTUND_FAULT 0x0a
# ifndef __VAX
# define FPE_INVOPR_TRAP 0x0b
# define FPE_DECDIV_TRAP 0x0c
# define FPE_DECINV_TRAP 0x0d
# define FPE_SUBRNG_TRAP 0x0e
# define FPE_SUBRNG1_TRAP 0x0f
# define FPE_SUBRNG2_TRAP 0x10
# define FPE_SUBRNG3_TRAP 0x11
# define FPE_SUBRNG4_TRAP 0x12
# define FPE_SUBRNG5_TRAP 0x13
# define FPE_SUBRNG6_TRAP 0x14
# define FPE_SUBRNG7_TRAP 0x15
# endif
#endif
/*
** Enable 64 bit pointers
*/
#if __INITIAL_POINTER_SIZE
# pragma __pointer_size 64
#endif
/*
** Function prototypes (ANSI).
*/
__sighnd_t signal( int __sig, __sighnd_t __func );
/*
** In strict ANSI mode, raise has a signal parameter. As
** a DEC C extension, it accepts a subcode as well.
*/
#ifndef _ANSI_C_SOURCE
int raise (int __sig, ...); /* 2nd parameter is the subcode */
#else
int raise (int __sig);
#endif
/*
** ISO POSIX-1 signal handling
*/
#if defined _POSIX_C_SOURCE || !defined _ANSI_C_SOURCE
# if __VMS_VER >= 70000000 && defined(_POSIX_EXIT)
# if __CAN_USE_EXTERN_PREFIX
# pragma __extern_prefix __save
# pragma __extern_prefix "__posix_"
# else
# define kill(__p1,__p2) __posix_kill(__p1,__p2)
# endif
# endif
int kill (__pid_t __pid, int __sig);
# if __VMS_VER >= 70000000 && defined(_POSIX_EXIT)
# if __CAN_USE_EXTERN_PREFIX
# pragma __extern_prefix __restore
# endif
# endif
# if __VMS_VER >= 70000000
int sigaddset (__sigset_t * __set, int __sig);
int sigdelset (__sigset_t * __set, int __sig);
int sigismember (const __sigset_t * __set, int __sig);
int sigaction (int __sig, const struct sigaction * __act,
struct sigaction * __oact);
int sigprocmask (int __how, const __sigset_t * __set,
__sigset_t * __oset);
int sigpending (__sigset_t * __set);
int sigsuspend (const __sigset_t * __set);
# if __cplusplus && !__NO_MACROS
inline int sigemptyset (__sigset_t *__set) {
*__set =_SIG_EMPTY_SET;
return 0;
}
inline int sigfillset (__sigset_t *__set) {
*__set =_SIG_FULL_SET;
return 0;
}
# else
int sigemptyset (__sigset_t * __set);
int sigfillset (__sigset_t * __set);
# if !__NO_MACROS
# define sigemptyset(set) (*(__sigset_t*)(set)=_SIG_EMPTY_SET, 0)
# define sigfillset(set) (*(__sigset_t*)(set)=_SIG_FULL_SET, 0)
# endif
# endif
# endif
#endif
/*
** XPG4 V2 function prototypes
*/
#if defined _XOPEN_SOURCE_EXTENDED || !defined _ANSI_C_SOURCE
int sigpause (int __mask);
int sigstack (struct sigstack *__ss, struct sigstack *__oss);
#endif
/*
** DEC C extensions
*/
#ifndef _ANSI_C_SOURCE
__bsd_sighnd_t ssignal (int __sig, __bsd_sighnd_t __action);
int sigvec (int __sigveca, struct sigvec *__sv, struct sigvec *__osv);
int sigblock (int __mask);
int sigsetmask (int __mask);
int gsignal (int __sig, ...);
void VAXC$ESTABLISH (__vms_handler __f);
void VAXC$CRTL_INIT (void);
# ifndef __cplusplus
void DECC$CRTL_INIT (void);
# endif
# ifdef __ALPHA
# define VAXC$CRTL_INIT() ( c$$establish(0,32), (VAXC$CRTL_INIT)())
# ifndef __cplusplus
# define DECC$CRTL_INIT() (c$$establish(0,32), (DECC$CRTL_INIT)())
# endif
# endif
/*
** ISO POSIX-1 defines alarm, sleep as being in <unistd.h>. For
** compatibility with DEC C V4, the old prototypes are supported.
*/
# ifndef _DECC_V4_SOURCE
unsigned int alarm (unsigned int __seconds);
unsigned int sleep (unsigned __seconds);
# else
int alarm (unsigned int __seconds);
int sleep (unsigned __seconds);
# endif
/*
** ISO POSIX-1 defines pause in <unistd.h>
*/
int pause (void);
/*
** XPG4 V2 removed sigmask from signal.h in a corrigenda to
** that specification.
*/
# if __VMS_VER >= 70000000
int sigmask (int __sig);
# define sigmask(m) (1L << ((m)-1))
# endif
#endif
/*
** Restore pointer size context
*/
#if __INITIAL_POINTER_SIZE
# pragma __pointer_size __restore
#endif
#ifdef __cplusplus
}
#endif
#pragma __member_alignment __restore
#pragma __standard
#endif /* __SIGNAL_LOADED */
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- Re: LYNX-DEV Informational message in Lynx 2.7 build with DEC C V5.3,
Brian Tillman, x8425 <=