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#ifndef CYGONCE_LIBC_SIGNALS_SIGNAL_H

#define CYGONCE_LIBC_SIGNALS_SIGNAL_H

//========================================================================

//

//      signal.h

//

//      Definitions for ISO C and POSIX 1003.1 signals

//

//========================================================================

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// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.

//

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// the terms of the GNU General Public License as published by the Free     

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// version.                                                                 

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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    

// for more details.                                                        

//

// You should have received a copy of the GNU General Public License        

// along with eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

// the GNU General Public License. However the source code for this file    

// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

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// ####ECOSGPLCOPYRIGHTEND####                                              

//========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     jlarmour

// Contributors:  

// Date:          2000-04-18

// Purpose:       Provides description of interface to ISO C and POSIX 1003.1

//                signal functionality

// Description:   

// Usage:         Do not include this file directly - use #include <signal.h>

//

//####DESCRIPTIONEND####

//

//========================================================================

// CONFIGURATION

#include <pkgconf/libc_signals.h>  // libc signals configuration

// INCLUDES

#include <cyg/infra/cyg_type.h>    // Common type definitions and support

// TYPE DEFINITIONS

// Integral type that can be accessed atomically - from ISO C 7.7

typedef cyg_atomic sig_atomic_t;

// Type of signal handler functions

typedef void (*__sighandler_t)(int);

// CONSTANTS

// Signal handlers for use with signal(). We avoid 0 because in an embedded

// system this may be e.g. start of ROM and thus a possible function pointer

// for reset!

#define SIG_DFL ((__sighandler_t) 1)      // Default action

#define SIG_IGN ((__sighandler_t) 2)      // Ignore action

#define SIG_ERR ((__sighandler_t)-1)      // Error return

// NB. We do not need to restrict SIG* definitions (e.g. by eliminating

// POSIX signals) when using strict ISO C (permitted in 7.7)

#define SIGNULL   0    // Reserved signal - do not use (POSIX 3.3.1.1)

#define SIGHUP    1    // Hangup on controlling terminal (POSIX)

#define SIGINT    2    // Interactive attention (ISO C)

#define SIGQUIT   3    // Interactive termination (POSIX)

#define SIGILL    4    // Illegal instruction (not reset when caught) (ISO C)

#define SIGTRAP   5    // Trace trap (not reset when caught)

#define SIGIOT    6    // IOT instruction

#define SIGABRT   6    // Abnormal termination - used by abort() (ISO C)

#define SIGEMT    7    // EMT instruction

#define SIGFPE    8    // Floating Point Exception e.g. div by 0 (ISO C)

#define SIGKILL   9    // Kill (cannot be caught or ignored) (POSIX)

#define SIGBUS    10   // Bus error (POSIX)

#define SIGSEGV   11   // Invalid memory reference (ISO C)

#define SIGSYS    12   // Bad argument to system call (used by anything?)

#define SIGPIPE   13   // Write on a pipe with no one to read it (POSIX)

#define SIGALRM   14   // Alarm timeout (POSIX)

#define SIGTERM   15   // Software termination request (ISO C)

#define SIGUSR1   16   // Application-defined signal 1 (POSIX)

#define SIGUSR2   17   // Application-defined signal 2 (POSIX)

#define CYGNUM_LIBC_SIGNALS 18  // Maximum signal number + 1

// FUNCTION PROTOTYPES

#ifdef __cplusplus

extern "C" {

#endif

//===========================================================================

// ISO C functions

//////////////////////////////

// signal() - ISO C 7.7.1   //

//////////////////////////////

//

// Installs a new signal handler for the specified signal, and returns

// the old handler

//

extern __sighandler_t

signal(int __sig, __sighandler_t __handler);

///////////////////////////

// raise() - ISO C 7.7.2 //

///////////////////////////

//

// Raises the signal, which will cause the current signal handler for

// that signal to be called

//

extern int

raise(int __sig);

#ifdef __cplusplus

} // extern "C"

#endif 

#include <cyg/libc/signals/signal.inl>

#endif // CYGONCE_LIBC_SIGNALS_SIGNAL_H multiple inclusion protection

// EOF signal.h