/*
** signal.h
*/

constant int NSIG;

constant int SIGHUP;
constant int SIGINT;
constant int SIGQUIT;
constant int SIGILL;


constant int     ILL_RESAD_FAULT;
constant int     ILL_PRIVIN_FAULT;
constant int     ILL_RESOP_FAULT;
constant int     ILL_VECOP_FAULT;
constant int     ILL_VECINST_FAULT;
 				 
 


constant int SIGTRAP;
constant int SIGIOT;
constant int SIGEMT;
constant int SIGFPE;


constant int     FPE_INTOVF_TRAP;
constant int     FPE_INTDIV_TRAP;
constant int     FPE_FLTOVF_TRAP;
constant int     FPE_FLTDIV_TRAP;
constant int     FPE_FLTUND_TRAP;
constant int     FPE_DECOVF_TRAP;
constant int     FPE_SUBRNG_TRAP;
constant int     FPE_FLTOVF_FAULT;
constant int     FPE_FLTDIV_FAULT;
constant int     FPE_FLTUND_FAULT;

 

constant int FPE_VECTOR          ;
constant int VFPE_FLTUND_TRAP    ;
constant int VFPE_FLTDIV_TRAP    ;
constant int VFPE_FLTRSV_TRAP    ;
constant int VPFE_FLTOVF_FAULT   ;
constant int VFPE_INTOVF_TRAP    ;


constant int SIGKILL  ;
constant int SIGBUS   ;
constant int SIGSEGV  ;
constant int SIGSYS   ;
constant int SIGPIPE  ;
constant int SIGALRM  ;
constant int SIGTERM  ;


constant int     TERM_VECT_HARD	;
constant int     TERM_VECT_TOOMANY ;


constant int SIGURG    ;
constant int SIGSTOP   ;
constant int SIGTSTP   ;
constant int SIGCONT   ;
constant int SIGCHLD   ;
constant int SIGTTIN   ;
constant int SIGTTOU   ;
constant int SIGIO     ;
constant int SIGXCPU   ;
constant int SIGXFSZ   ;
constant int SIGVTALRM ;
constant int SIGPROF   ;
constant int SIGWINCH  ;
constant int SIGLOST   ;
constant int SIGUSR1   ;
constant int SIGUSR2   ;
 
constant int SIGCLD ;
constant int SIGABRT;

constant int BRK_USERBP	;
constant int BRK_KERNELBP ;
constant int BRK_ABORT	;
constant int BRK_BD_TAKEN ;
constant int BRK_BD_NOTTAKEN ;
constant int BRK_SSTEPBP ;
constant int BRK_OVERFLOW ;
constant int BRK_DIVZERO; 
constant int BRK_RANGE ;
constant int BRK_STACKOVERFLOW;

typedef long sig_atomic_t;
typedef int sigset_t;  

typedef struct sigvec {
 void	 (*sv_handler)();	 
 sigset_t sv_mask;		 
 int	sv_flags;		 
} __sigvec;

typedef struct sigaction {
 void	 (*sa_handler)();	 
 sigset_t sa_mask;		 
 int	 sa_flags;		 
} __sigaction;

constant int SV_ONSTACK      ;
constant int SV_INTERRUPT    ;

constant int SA_NOCLDSTOP  ;

constant int SV_OLDSIG	; 
constant int sv_onstack ; 

constant int SIG_BLOCK ;
constant int SIG_UNBLOCK ;
constant int SIG_SETMASK	;

typedef struct sigstack {
 char	*ss_sp;			 
 int	ss_onstack;		 
} __sigstack ;

typedef struct sigcontext {
 int	sc_onstack;		 
 int	sc_mask;		 
 int	sc_pc;			 
 int	sc_regs[32];	 
 int	sc_mdlo;	 
 int	sc_mdhi;	 
 int	sc_ownedfp;	 
 int	sc_fpregs[32];	 
 int	sc_fpc_csr;	 
 int	sc_fpc_eir;	 
 int	sc_cause;	 
 int	sc_badvaddr;	 
 int	sc_badpaddr;	 
} __sigcontext; 

typedef void(*__scp)(int);

constant __scp BADSIG;
constant __scp SIG_ERR;
constant __scp SIG_DFL;
constant __scp SIG_IGN;

typedef int pid_t;

/*
   void (*signal(int __sig, void(*__func)(int)))(int) { ensures true; }
*/
int raise( int __sig ) { ensures true; }
int  kill( pid_t __pid, int __sig ) { ensures true; }
int  sigemptyset( sigset_t *__set ) { ensures true; }
int  sigfillset( sigset_t *__set ) { ensures true; }
int  sigaddset( sigset_t *__set, int __signo ) { ensures true; }
int sigdelset( sigset_t *__set, int __signo ) { ensures true; }
int sigismember(  sigset_t *__set, int __signo ) { ensures true; }
int  sigaction( int __sig,  struct sigaction *__act,
 	struct sigaction *__oact ) { ensures true; }
int  sigprocmask( int __how,  sigset_t *__set, sigset_t *__oset ) { ensures true; }
int sigpending( sigset_t *__set ) { ensures true; }
int sigsuspend(  sigset_t *__sigmask ) { ensures true; }

int sigmask(int m) { ensures true; } /* i think...? */