/*
Copyright (c) 1993 Xerox Corporation.  All rights reserved.
*/
/*
$Id$

$Date$
 */


#ifndef	__PCR_signal_h
#define __PCR_signal_h 1

#include <sig/PCR_Sig.h>
#include <sys/types.h>

/*
    This is one of the few PCR posix headers than can't just include
      the corresponding host header, but the semantics of signals
      is quite a bit different, and many signals are not supported.
*/


#define PCR_SIG_DFL	((void (*)())(0))
#define PCR_SIG_IGN	((void (*)())(1))


#define PCR_SIG_SETMASK	0
#define PCR_SIG_BLOCK	1
#define PCR_SIG_UNBLOCK	2


extern int PCR_kill(pid_t p, int sig);


struct PCR_sigaction {
    void (*sa_handler)();
    PCR_sigset_t sa_mask;
    int sa_flags;
};

extern int PCR_sigaction(
    int signo,
    struct PCR_sigaction *act,
    struct PCR_sigaction *oldact
);


extern int PCR_sigpending(PCR_sigset_t *set);

extern int PCR_sigprocmask(int how, PCR_sigset_t *set, PCR_sigset_t *oldset);

extern int PCR_sigsuspend(PCR_sigset_t *mask);


#ifndef PCR_NO_RENAME

#   ifdef NSIG
#       error host signal.h included somehow ...
#   endif

/* required signals */

#   define SIGABRT	PCR_SIGABRT
#   define SIGALRM	PCR_SIGALRM
#   define SIGFPE	PCR_SIGFPE
#   define SIGHUP	PCR_SIGHUP
#   define SIGILL	PCR_SIGILL
#   define SIGINT	PCR_SIGINT
#   define SIGKILL	PCR_SIGKILL
#   define SIGPIPE	PCR_SIGPIPE
#   define SIGQUIT	PCR_SIGQUIT
#   define SIGSEGV	PCR_SIGSEGV
#   define SIGTERM	PCR_SIGTERM
#   define SIGUSR1	PCR_SIGUSR1
#   define SIGUSR2	PCR_SIGUSR2

/* job control signals -- not necessarily supported */

#   define SIGCHLD	PCR_SIGCHLD
#   define SIGCONT	PCR_SIGCONT
#   define SIGSTOP	PCR_SIGSTOP
#   define SIGTSTP	PCR_SIGTSTP
#   define SIGTTIN	PCR_SIGTTIN
#   define SIGTTOU	PCR_SIGTTOU

#   define NSIG		PCR_NSIGPOSIX

/* types */

#   define sigset_t PCR_sigset_t

#   define SIG_IGN	PCR_SIG_IGN
#   define SIG_DFL	PCR_SIG_DFL

#   define SIG_BLOCK	PCR_SIG_BLOCK
#   define SIG_UNBLOCK	PCR_SIG_UNBLOCK
#   define SIG_SETMASK	PCR_SIG_SETMASK

/* procs */

#   define kill PCR_kill
#   define sigaction PCR_sigaction

#   define sigaddset PCR_sigset_t_Add
#   define sigdelset PCR_sigset_t_Del
#   define sigemptyset PCR_sigset_t_SetEmpty
#   define sigfillset PCR_sigset_t_SetFull
#   define sigismember PCR_sigset_t_IsMember

#   define sigpending PCR_sigpending
#   define sigprocmask PCR_sigprocmask
#   define sigsuspend PCR_sigsuspend

#endif /* !PCR_NO_RENAME */


#endif /* !__PCR_signal_h */

/*
$Log$
*/