-\f
-;;;; utilities for dealing with signal names and numbers
-
-(defstruct (unix-signal
- (:constructor make-unix-signal (%name %number))
- (:copier nil))
- ;; signal keyword (e.g. :SIGINT for the Unix SIGINT signal)
- (%name (required-argument) :type keyword :read-only t)
- ;; signal number
- (%number (required-argument) :type integer :read-only t))
-
-;;; list of all defined UNIX-SIGNALs
-(defvar *unix-signals* nil)
-
-(defmacro !def-unix-signal (name number)
- (declare (type keyword name))
- (declare (type (and fixnum unsigned-byte) number))
- `(push (make-unix-signal ,name ,number) *unix-signals*))
-
-(/show0 "signal.lisp 131")
-
-(defun unix-signal-or-lose (designator)
- (or (find designator (the list *unix-signals*)
- :key (etypecase designator
- (symbol #'unix-signal-%name)
- (number #'unix-signal-%number)))
- (error "not a valid signal name or number: ~S" designator)))
-
-(/show0 "signal.lisp 142")
-
-;;; Return the name of the designated signal.
-(defun unix-signal-name (designator)
- (symbol-name (unix-signal-%name (unix-signal-or-lose designator))))
-
-(/show0 "signal.lisp 150")
-
-;;; Return the number of the designated signal.
-(defun unix-signal-number (designator)
- (unix-signal-%number (unix-signal-or-lose designator)))
-
-(/show0 "signal.lisp 168")
-
-;;; known signals
-(/show0 "defining Unix signals")
-(!def-unix-signal :CHECK 0) ; check
-(/show0 "done defining CHECK")
-(!def-unix-signal :SIGHUP 1) ; hangup
-(/show0 "done defining SIGHUP")
-(!def-unix-signal :SIGINT 2) ; interrupt
-(/show0 "done defining SIGINT")
-(!def-unix-signal :SIGQUIT 3) ; quit
-(!def-unix-signal :SIGILL 4) ; illegal instruction
-(!def-unix-signal :SIGTRAP 5) ; trace trap
-(!def-unix-signal :SIGIOT 6) ; IOT instruction
-#!-linux
-(!def-unix-signal :SIGEMT 7) ; EMT instruction
-(!def-unix-signal :SIGFPE 8) ; floating point exception
-(!def-unix-signal :SIGKILL 9) ; kill
-(!def-unix-signal :SIGBUS #!-linux 10 #!+linux 7) ; bus error
-(!def-unix-signal :SIGSEGV 11) ; segmentation violation
-#!-linux
-(!def-unix-signal :SIGSYS 12) ; bad argument to system call
-(!def-unix-signal :SIGPIPE 13) ; write on a pipe with no one to read it
-(!def-unix-signal :SIGALRM 14) ; alarm clock
-(!def-unix-signal :SIGTERM 15) ; software termination signal
-#!+linux
-(!def-unix-signal :SIGSTKFLT 16) ; stack fault on coprocessor
-(!def-unix-signal :SIGURG ; urgent condition present on socket
- #!+svr4 21
- #!-(or hpux svr4 linux) 16
- #!+hpux 29
- #!+linux 23)
-(!def-unix-signal :SIGSTOP ; stop
- #!-(or hpux svr4 linux) 17
- #!+hpux 24
- #!+svr4 23
- #!+linux 19)
-(!def-unix-signal :SIGTSTP ; stop signal generated from keyboard
- #!-(or hpux svr4 linux) 18
- #!+hpux 25
- #!+svr4 24
- #!+linux 20)
-(!def-unix-signal :SIGCONT ; continue after stop
- #!-(or hpux svr4 linux) 19
- #!+hpux 26
- #!+svr4 25
- #!+linux 18)
-(!def-unix-signal :SIGCHLD ; Child status has changed.
- #!-(or linux hpux) 20
- #!+hpux 18
- #!+linux 17)
-(!def-unix-signal :SIGTTIN ; background read attempted from control terminal
- #!-(or hpux svr4) 21
- #!+hpux 27
- #!+svr4 26)
-(!def-unix-signal :SIGTTOU ; background write attempted to control terminal
- #!-(or hpux svr4) 22
- #!+hpux 28
- #!+svr4 27)
-(!def-unix-signal :SIGIO ; I/O is possible on a descriptor.
- #!-(or hpux irix linux) 23
- #!+(or hpux irix) 22
- #!+linux 29)
-#!-hpux
-(!def-unix-signal :SIGXCPU ; CPU time limit exceeded
- #!-svr4 24
- #!+svr4 30)
-#!-hpux
-(!def-unix-signal :SIGXFSZ ; file size limit exceeded
- #!-svr4 25
- #!+svr4 31)
-(!def-unix-signal :SIGVTALRM ; virtual time alarm
- #!-(or hpux svr4) 26
- #!+hpux 20
- #!+svr4 28)
-(!def-unix-signal :SIGPROF ; profiling timer alarm
- #!-(or hpux svr4 linux) 27
- #!+hpux 21
- #!+svr4 29
- #!+linux 30)
-(!def-unix-signal :SIGWINCH ; window size change
- #!-(or hpux svr4) 28
- #!+hpux 23
- #!+svr4 20)
-(!def-unix-signal :SIGUSR1 ; user-defined signal 1
- #!-(or hpux svr4 linux) 30
- #!+(or hpux svr4) 16
- #!+linux 10)
-(!def-unix-signal :SIGUSR2 ; user-defined signal 2
- #!-(or hpux svr4 linux) 31
- #!+(or hpux svr4) 17
- #!+linux 12)
-
-;;; SVR4 (or Solaris?) specific signals
-#!+svr4
-(!def-unix-signal :SIGWAITING 32) ; Process's LWPs are blocked.
-
-(/show0 "done with signal.lisp")