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#   		 Crown Copyright (c) 1997

#   

#   This TenDRA(r) Computer Program is subject to Copyright

#   owned by the United Kingdom Secretary of State for Defence

#   acting through the Defence Evaluation and Research Agency

#   (DERA).  It is made available to Recipients with a

#   royalty-free licence for its use, reproduction, transfer

#   to other parties and amendment for any purpose not excluding

#   product development provided that any such use et cetera

#   shall be deemed to be acceptance of the following conditions:-

#   

#       (1) Its Recipients shall ensure that this Notice is

#       reproduced upon any copies or amended versions of it;

#   

#       (2) Any amended version of it shall be clearly marked to

#       show both the nature of and the organisation responsible

#       for the relevant amendment or amendments;

#   

#       (3) Its onward transfer from a recipient to another

#       party shall be deemed to be that party's acceptance of

#       these conditions;

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#       (4) DERA gives no warranty or assurance as to its

#       quality or suitability for any purpose and DERA accepts

#       no liability whatsoever in relation to any use to which

#       it may be put.

#

+IMPLEMENT "ansi", "signal.h" ;

+USE "posix", "sys/types.h" ;

+SUBSET "sigset_t" := { +TYPE sigset_t ; } ;

+FIELD struct sigaction | struct_sigaction {

    void ( *sa_handler ) ( int ) ;

    sigset_t sa_mask ;

    int sa_flags ;

} ;

+CONST int SIGALRM, SIGCHLD, SIGCONT, SIGHUP, SIGKILL, SIGPIPE, SIGQUIT ;

+CONST int SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGUSR1, SIGUSR2 ;

+CONST int SIG_BLOCK, SIG_SETMASK, SIG_UNBLOCK ;

+CONST int SA_NOCLDSTOP ;

+FUNC int kill ( pid_t, int ) ;

+FUNC int sigaction ( int, const struct sigaction *, struct sigaction * ) ;

+FUNC int sigaddset ( sigset_t *, int ) ;

+FUNC int sigdelset ( sigset_t *, int ) ;

+FUNC int sigemptyset ( sigset_t * ) ;

+FUNC int sigfillset ( sigset_t * ) ;

+FUNC int sigismember ( const sigset_t *, int ) ;

+FUNC int sigpending ( sigset_t * ) ;

+FUNC int sigprocmask ( int, const sigset_t *, sigset_t * ) ;

+FUNC int sigsuspend ( const sigset_t * ) ;