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// -*- C++ -*-
//=============================================================================
/**
* @file os_signal.h
*
* signals
*
* $Id$
*
* @author Don Hinton <dhinton@dresystems.com>
* @author This code was originally in various places including ace/OS.h.
*/
//=============================================================================
#ifndef ACE_OS_INCLUDE_OS_SIGNAL_H
#define ACE_OS_INCLUDE_OS_SIGNAL_H
#include "ace/pre.h"
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/os_include/sys/types.h"
#include "ace/os_include/ucontext.h"
#include "ace/os_include/time.h"
#if !defined (ACE_LACKS_SINGNAL_H)
extern "C" {
# include /**/ <signal.h>
}
#endif /* !ACE_LACKS_SIGNAL_H */
// This must come after signal.h is #included.
#if defined (SCO)
# define SIGIO SIGPOLL
# include /**/ <sys/regset.h>
#endif /* SCO */
#if defined (ACE_HAS_SIGINFO_T)
# if !defined (ACE_LACKS_SIGINFO_H)
# if defined (__QNX__) || defined (__OpenBSD__)
# include /**/ <sys/siginfo.h>
# else /* __QNX__ || __OpenBSD__ */
# include /**/ <siginfo.h>
# endif /* __QNX__ || __OpenBSD__ */
# endif /* ACE_LACKS_SIGINFO_H */
#endif /* ACE_HAS_SIGINFO_T */
// Place all additions (especially function declarations) within extern "C" {}
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#if defined (ACE_SIGINFO_IS_SIGINFO_T)
typedef struct siginfo siginfo_t;
#endif /* ACE_LACKS_SIGINFO_H */
#if defined (ACE_LACKS_SIGSET)
# if !defined(__MINGW32__)
typedef u_int sigset_t;
# endif /* !__MINGW32__*/
#endif /* ACE_LACKS_SIGSET */
#if defined (ACE_HAS_SIG_MACROS)
# undef sigemptyset
# undef sigfillset
# undef sigaddset
# undef sigdelset
# undef sigismember
#endif /* ACE_HAS_SIG_MACROS */
// This must come after signal.h is #included. It's to counteract
// the sigemptyset and sigfillset #defines, which only happen
// when __OPTIMIZE__ is #defined (really!) on Linux.
#if defined (linux) && defined (__OPTIMIZE__)
# undef sigemptyset
# undef sigfillset
#endif /* linux && __OPTIMIZE__ */
#if !defined (ACE_HAS_SIG_ATOMIC_T)
typedef int sig_atomic_t;
#endif /* !ACE_HAS_SIG_ATOMIC_T */
#if !defined (SIGHUP)
# define SIGHUP 0
#endif /* SIGHUP */
#if !defined (SIGINT)
# define SIGINT 0
#endif /* SIGINT */
#if !defined (SIGSEGV)
# define SIGSEGV 0
#endif /* SIGSEGV */
#if !defined (SIGIO)
# define SIGIO 0
#endif /* SIGSEGV */
#if !defined (SIGUSR1)
# define SIGUSR1 0
#endif /* SIGUSR1 */
#if !defined (SIGUSR2)
# define SIGUSR2 0
#endif /* SIGUSR2 */
#if !defined (SIGCHLD)
# define SIGCHLD 0
#endif /* SIGCHLD */
#if !defined (SIGCLD)
# define SIGCLD SIGCHLD
#endif /* SIGCLD */
#if !defined (SIGQUIT)
# define SIGQUIT 0
#endif /* SIGQUIT */
#if !defined (SIGPIPE)
# define SIGPIPE 0
#endif /* SIGPIPE */
#if !defined (SIGALRM)
# define SIGALRM 0
#endif /* SIGALRM */
#if !defined (SIG_DFL)
# if defined (ACE_PSOS_DIAB_MIPS) || defined (ACE_PSOS_DIAB_PPC)
# define SIG_DFL ((void *) 0)
# else
# define SIG_DFL ((__sighandler_t) 0)
# endif
#endif /* SIG_DFL */
#if !defined (SIG_IGN)
# if defined (ACE_PSOS_DIAB_MIPS) || defined (ACE_PSOS_DIAB_PPC)
# define SIG_IGN ((void *) 1) /* ignore signal */
# else
# define SIG_IGN ((__sighandler_t) 1) /* ignore signal */
# endif
#endif /* SIG_IGN */
#if !defined (SIG_ERR)
# if defined (ACE_PSOS_DIAB_MIPS) || defined (ACE_PSOS_DIAB_PPC)
# define SIG_ERR ((void *) -1) /* error return from signal */
# else
# define SIG_ERR ((__sighandler_t) -1) /* error return from signal */
# endif
#endif /* SIG_ERR */
// These are used by the <ACE_IPC_SAP::enable> and
// <ACE_IPC_SAP::disable> methods. They must be unique and cannot
// conflict with the value of <ACE_NONBLOCK>. We make the numbers
// negative here so they won't conflict with other values like SIGIO,
// etc.
# define ACE_SIGIO -1
# define ACE_SIGURG -2
# define ACE_CLOEXEC -3
#if defined (ACE_PSOS)
# if !defined (ACE_PSOSIM)
typedef void (* ACE_SignalHandler) (void);
typedef void (* ACE_SignalHandlerV) (void);
# if !defined(SIG_DFL)
# define SIG_DFL (ACE_SignalHandler) 0
# endif /* philabs */
# endif /* !ACE_PSOSIM */
# if ! defined (NSIG)
# define NSIG 32
# endif /* NSIG */
#endif /* ACE_PSOS && !ACE_PSOSIM */
#if defined (ACE_HAS_CONSISTENT_SIGNAL_PROTOTYPES)
// Prototypes for both signal() and struct sigaction are consistent..
//# if defined (ACE_HAS_SIG_C_FUNC)
// extern "C" {
//# endif /* ACE_HAS_SIG_C_FUNC */
# if !defined (ACE_PSOS)
typedef void (*ACE_SignalHandler)(int);
typedef void (*ACE_SignalHandlerV)(int);
# endif /* !defined (ACE_PSOS) */
//# if defined (ACE_HAS_SIG_C_FUNC)
// }
//# endif /* ACE_HAS_SIG_C_FUNC */
#elif defined (ACE_HAS_LYNXOS_SIGNALS)
typedef void (*ACE_SignalHandler)(...);
typedef void (*ACE_SignalHandlerV)(...);
#elif defined (ACE_HAS_TANDEM_SIGNALS)
typedef void (*ACE_SignalHandler)(...);
typedef void (*ACE_SignalHandlerV)(...);
#elif defined (ACE_HAS_IRIX_53_SIGNALS)
typedef void (*ACE_SignalHandler)(...);
typedef void (*ACE_SignalHandlerV)(...);
#elif defined (ACE_HAS_SPARCWORKS_401_SIGNALS)
typedef void (*ACE_SignalHandler)(int, ...);
typedef void (*ACE_SignalHandlerV)(int,...);
#elif defined (ACE_HAS_SUNOS4_SIGNAL_T)
typedef void (*ACE_SignalHandler)(...);
typedef void (*ACE_SignalHandlerV)(...);
#elif defined (ACE_HAS_SVR4_SIGNAL_T)
// SVR4 Signals are inconsistent (e.g., see struct sigaction)..
typedef void (*ACE_SignalHandler)(int);
# if !defined (m88k) /* with SVR4_SIGNAL_T */
typedef void (*ACE_SignalHandlerV)(void);
# else
typedef void (*ACE_SignalHandlerV)(int);
# endif /* m88k */ /* with SVR4_SIGNAL_T */
#elif defined (ACE_WIN32)
typedef void (__cdecl *ACE_SignalHandler)(int);
typedef void (__cdecl *ACE_SignalHandlerV)(int);
#elif defined (ACE_HAS_UNIXWARE_SVR4_SIGNAL_T)
typedef void (*ACE_SignalHandler)(int);
typedef void (*ACE_SignalHandlerV)(...);
#elif defined (INTEGRITY)
typedef void (*ACE_SignalHandler)();
typedef void (*ACE_SignalHandlerV)(int);
#else /* This is necessary for some older broken version of cfront */
# if defined (SIG_PF)
# define ACE_SignalHandler SIG_PF
# else
typedef void (*ACE_SignalHandler)(int);
# endif /* SIG_PF */
typedef void (*ACE_SignalHandlerV)(...);
#endif /* ACE_HAS_CONSISTENT_SIGNAL_PROTOTYPES */
#if defined (ACE_LACKS_SIGACTION)
struct sigaction
{
int sa_flags;
ACE_SignalHandlerV sa_handler;
sigset_t sa_mask;
};
#endif /* ACE_LACKS_SIGACTION */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#include "ace/post.h"
#endif /* ACE_OS_INCLUDE_OS_SIGNAL_H */
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