First stab at proper syslog interface.
This commit is contained in:
sperber
parent
b42bc454e3
commit
e2a6e37c70
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@ -128,12 +128,15 @@ SCSHOBJS = \
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scsh/select.o scsh/select1.o \
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scsh/sleep1.o \
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scsh/syscalls.o scsh/syscalls1.o \
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scsh/syslog1.o \
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scsh/time.o scsh/time1.o \
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scsh/tty.o scsh/tty1.o \
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scsh/userinfo1.o \
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scsh/sighandlers1.o \
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scsh/regexp/libregex.a
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SCSH_INITIALIZERS = s48_init_syslog
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UNIX_OBJS = c/unix/misc.o c/unix/io.o c/unix/fd-io.o c/unix/event.o
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@ -168,6 +171,7 @@ EXTERNAL_OBJECTS = $(SOCKET_OBJECTS) $(LOOKUP_OBJECTS)
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EXTERNAL_FLAGS = $(SOCKET_FLAGS)
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EXTERNAL_INITIALIZERS = $(ADDITIONAL_INITIALIZER) $(SOCKET_INITIALIZERS) \
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$(LOOKUP_INITIALIZERS) \
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$(SCSH_INITIALIZERS) \
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s48_init_cig $(CIGGEDINIT) s48_init_userinfo s48_init_sighandlers \
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s48_init_re_low
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@ -239,7 +243,7 @@ scsh/syscalls.o: scsh/syscalls1.h scsh/dirstuff1.h scsh/fdports1.h \
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scsh/sighandlers1.o: scsh/sighandlers1.h
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scsh/syslog1.o: c/scheme48.h
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include $(srcdir)/scsh/machine/Makefile.inc
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# Berkeley make wants to see this instead: (or use GNU make on BSD. -bri)
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@ -1077,34 +1077,27 @@
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(with-lock :syntax)))
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(define-interface syslog-interface
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(export openlog
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syslog
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syslog-w/id
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closelog
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syslog-option/default
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syslog-option/console-on-error
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syslog-option/open-now
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syslog-option/include-pid
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syslog-facility/authorisation
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syslog-facility/daemon
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syslog-facility/kernel
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syslog-facility/local0
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syslog-facility/local1
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syslog-facility/local2
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syslog-facility/local3
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syslog-facility/local4
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syslog-facility/local5
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syslog-facility/local6
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syslog-facility/local7
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syslog-facility/lpr
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syslog-facility/mail
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syslog-facility/user
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syslog-level/default
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syslog-level/emergency
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syslog-level/alert
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syslog-level/critical
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syslog-level/error
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syslog-level/warning
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syslog-level/notice
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syslog-level/info
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syslog-level/debug))
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(export (syslog-option :syntax)
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make-syslog-options
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syslog-options?
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(syslog-options :syntax)
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syslog-options-on?
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(syslog-facility :syntax)
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syslog-facility?
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(syslog-level :syntax)
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syslog-level?
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levels->syslog-mask
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(syslog-mask :syntax)
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syslog-mask-all
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syslog-mask-upto
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syslog-mask-levels-on?
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open-syslog-channel
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close-syslog-channel
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syslog-write
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with-syslog-destination
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syslog))
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@ -167,6 +167,9 @@
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scsh-version
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tty-flags
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scsh-internal-tty-flags ; Not exported
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syslog
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let-opt ; optional-arg parsing & defaulting
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architecture ; Was this by JMG ??
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@ -450,3 +453,10 @@
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handle
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threads) ; sleep
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(files dot-locking))
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(define-structure syslog syslog-interface
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(open scheme define-record-types finite-types
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locks thread-fluids
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external-calls
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bitwise)
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(files syslog))
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@ -887,7 +887,4 @@ void s48_init_syscalls(void)
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S48_EXPORT_FUNCTION(scm_gethostname);
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S48_EXPORT_FUNCTION(df_errno_msg);
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S48_EXPORT_FUNCTION(scm_crypt);
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S48_EXPORT_FUNCTION(scm_openlog);
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S48_EXPORT_FUNCTION(scm_syslog);
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S48_EXPORT_FUNCTION(scm_closelog);
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}
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@ -944,74 +944,3 @@
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(error "illegal char in salt " salt))
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(if (> (string-length key) 8) (error "key too long " (string-length key)))
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(%crypt key salt)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Interface to syslog
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;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-enum-constants-from-zero syslog-option
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(default
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cons
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ndelay
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pid))
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(define-enum-constants-from-zero syslog-facility
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(default
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auth
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daemon
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kern
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local0
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local1
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local2
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local3
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local4
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local5
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local6
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local7
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lpr
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mail
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user))
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;;; sorted by priority
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(define-enum-constants-from-zero syslog-level
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(default
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emerg
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alert
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crit
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err
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warning
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notice
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info
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debug))
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(define-stubless-foreign %openlog (ident option facility) "scm_openlog")
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(define-stubless-foreign %syslog (facility level message) "scm_syslog")
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(define-stubless-foreign closelog () "scm_closelog")
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(define (openlog ident . args)
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(let-optionals args ((option syslog-option/default)
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(facility syslog-facility/default))
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(%openlog ident option facility)))
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(define (syslog message . args)
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(let-optionals args ((level syslog-level/default)
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(facility syslog-facility/default))
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(%syslog facility level (double-char #\% message))))
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(define (double-char the-char s)
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(let* ((ans-len (string-fold (lambda (c sum)
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(+ sum (if (char=? c the-char) 2 1)))
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0 s))
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(ans (make-string ans-len)))
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(string-fold (lambda (c i)
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(let ((i (if (char=? c the-char)
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(begin (string-set! ans i the-char) (+ i 1))
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i)))
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(string-set! ans i c)
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(+ i 1)))
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0 s)
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ans))
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@ -0,0 +1,227 @@
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; Copyright (c) 1993-2000 by Richard Kelsey and Jonathan Rees. See file COPYING.
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;; Options for openlog
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(define-finite-type syslog-option :syslog-option
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(mask)
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syslog-option?
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the-syslog-options
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syslog-option-name
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syslog-option-index
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(mask syslog-option-mask)
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;; These values are known to the C code.
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((console #o01)
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(delay #o02)
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(no-delay #o04)
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(standard-error #o10)
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(log-pid #o20)))
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(define-record-type syslog-options :syslog-options
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(really-make-syslog-options value)
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syslog-options?
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(value syslog-options-value))
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(define (syslog-options=? options-1 options-2)
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(= (syslog-options-value options-1)
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(syslog-options-value options-2)))
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(define-exported-binding "syslog-options-type" :syslog-options)
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(define (syslog-options-on? options0 options1)
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(= 0 (bitwise-and (syslog-options-value options1)
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(bitwise-not (syslog-options-value options0)))))
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(define (make-syslog-options options)
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(really-make-syslog-options
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(apply bitwise-ior (map syslog-option-mask options))))
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(define default-syslog-options (make-syslog-options '()))
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; Simplifying syntax, e.g. (syslog-options delay console)
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(define-syntax syslog-options
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(syntax-rules ()
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((syslog-options name ...)
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(make-syslog-options (list (syslog-option name) ...)))))
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(define-enumerated-type syslog-facility :syslog-facility
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syslog-facility?
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syslog-facilities
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syslog-facility-name
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syslog-facility-index
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;; Options for openlog
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;; The order of these is known to the C code.
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(authorization
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cron
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daemon
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kernel
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lpr
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mail
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news
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user
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uucp
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local0 local1 local2 local3 local4 local5 local6 local7))
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(define default-syslog-facility (syslog-facility user))
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(define-exported-binding "syslog-facility-type" :syslog-facility)
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(define-exported-binding "syslog-facilities" syslog-facilities)
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(define-finite-type syslog-level :syslog-level
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(mask)
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syslog-level?
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syslog-levels
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syslog-level-name
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syslog-level-index
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(mask syslog-level-mask)
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;; Options for syslog
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;; The order and the values of these is known to the C code.
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((emergency #o001)
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(alert #o002)
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(critical #o004)
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(error #o010)
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(warning #o020)
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(notice #o040)
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(info #o100)
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(debug #o200)))
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(define-exported-binding "syslog-level-type" :syslog-level)
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(define-exported-binding "syslog-levels" syslog-levels)
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(define-record-type syslog-mask :syslog-mask
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(make-syslog-mask value)
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syslog-mask?
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(value syslog-mask-value))
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(define (syslog-mask=? mask-1 mask-2)
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(= (syslog-mask-value mask-1)
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(syslog-mask-value mask-2)))
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(define-exported-binding "syslog-mask-type" :syslog-mask)
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(define (syslog-mask-levels-on? mask-1 mask-2)
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(= 0 (bitwise-and (syslog-mask-value mask-2)
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(bitwise-not (syslog-mask-value mask-1)))))
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(define (levels->syslog-mask levels)
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(make-syslog-mask
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(apply bitwise-ior
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(map syslog-level-mask levels))))
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(define-syntax syslog-mask
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(syntax-rules ()
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((syslog-mask name ...)
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(levels->syslog-mask (list (syslog-level name) ...)))))
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(define (syslog-mask-upto level)
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(let loop ((index (syslog-level-index level)) (levels '()))
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(if (< index 0)
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(levels->syslog-mask levels)
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(loop (- index 1) (cons index levels)))))
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(define syslog-mask-all (levels->syslog-mask (vector->list syslog-levels)))
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(define default-syslog-mask syslog-mask-all)
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(import-lambda-definition openlog (ident options facility)
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"sch_openlog")
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(import-lambda-definition unix-syslog (level opt-facility message)
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"sch_syslog")
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(import-lambda-definition setlogmask! (logmask)
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"sch_setlogmask")
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(import-lambda-definition closelog ()
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"sch_closelog")
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(define-record-type syslog-channel :syslog-channel
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(make-syslog-channel ident options facility mask)
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syslog-channel?
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(ident syslog-channel-ident)
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(options syslog-channel-options)
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(facility syslog-channel-facility)
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(mask syslog-channel-mask))
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(define (syslog-channel-equivalent? channel-1 channel-2)
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(and (string=? (syslog-channel-ident channel-1)
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(syslog-channel-ident channel-2))
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(syslog-options=? (syslog-channel-options channel-1)
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(syslog-channel-options channel-2))
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;; facility can be specified with each syslog-write
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(syslog-mask=? (syslog-channel-mask channel-1)
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(syslog-channel-mask channel-2))))
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(define current-syslog-channel #f)
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(define current-syslog-channel-lock (make-lock))
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(define open-syslog-channel make-syslog-channel)
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(define (close-syslog-channel channel)
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(obtain-lock current-syslog-channel-lock)
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(if (syslog-channel-equivalent? channel
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current-syslog-channel)
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(closelog))
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(release-lock current-syslog-channel-lock))
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;; THUNK must not escape
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(define (with-syslog-channel channel thunk)
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(obtain-lock current-syslog-channel-lock)
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(if (or (not current-syslog-channel)
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(not (syslog-channel-equivalent? channel
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current-syslog-channel)))
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(begin
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(if current-syslog-channel
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(closelog))
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(openlog (syslog-channel-ident channel)
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(syslog-channel-options channel)
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(syslog-channel-facility channel))
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(if (not (syslog-mask=? (syslog-channel-mask channel)
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default-syslog-mask))
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(setlogmask! (syslog-channel-mask channel)))
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(set! current-syslog-channel channel)))
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(thunk)
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(release-lock current-syslog-channel-lock))
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(define (syslog-write level message channel)
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(with-syslog-channel
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channel
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(lambda ()
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(unix-syslog level (syslog-channel-facility channel) message))))
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(define (list-ref-carefully list n default)
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(cond
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((null? list) default)
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((zero? n) (car list))
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(else
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(list-ref-carefully (cdr list) (- n 1) default))))
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(define (change-syslog-channel channel . rest)
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(let ((ident (list-ref-carefully rest 0 #f))
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(options (list-ref-carefully rest 1 #f))
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(facility (list-ref-carefully rest 2 #f))
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(mask (list-ref-carefully rest 3 #f)))
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(make-syslog-channel (or ident
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(syslog-channel-ident channel))
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(or options
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(syslog-channel-options channel))
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(or facility
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(syslog-channel-facility channel))
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(or mask
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(syslog-channel-mask channel)))))
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(define dynamic-syslog-channel
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(make-thread-fluid
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(make-syslog-channel "scheme48"
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default-syslog-options
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default-syslog-facility
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default-syslog-mask)))
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(define (syslog level message . rest)
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(syslog-write level message
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;; this might be a little excessive allocation
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(apply change-syslog-channel
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(thread-fluid dynamic-syslog-channel)
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rest)))
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(define (with-syslog-destination ident options facility mask thunk)
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(let-thread-fluid dynamic-syslog-channel
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(make-syslog-channel ident options facility mask)
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thunk))
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@ -0,0 +1,326 @@
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/* Copyright (c) 1993-2000 by Richard Kelsey and Jonathan Rees.
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See file COPYING. */
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#include <syslog.h>
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#include "scheme48.h"
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static s48_value sch_openlog(s48_value sch_ident,
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s48_value sch_option,
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s48_value sch_facility),
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sch_setlogmask(s48_value sch_logmask),
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sch_syslog(s48_value sch_level,
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s48_value sch_facility,
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s48_value sch_message),
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sch_closelog(void);
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/*
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* Record types imported from Scheme.
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*/
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static s48_value syslog_options_type_binding = S48_FALSE;
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static s48_value syslog_facility_type_binding = S48_FALSE;
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static s48_value syslog_facilities_binding = S48_FALSE;
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static s48_value syslog_level_type_binding = S48_FALSE;
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static s48_value syslog_levels_binding = S48_FALSE;
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static s48_value syslog_mask_type_binding = S48_FALSE;
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/*
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* Install all exported functions in Scheme 48.
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*/
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void
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s48_init_syslog(void)
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{
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S48_EXPORT_FUNCTION(sch_openlog);
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S48_EXPORT_FUNCTION(sch_syslog);
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S48_EXPORT_FUNCTION(sch_setlogmask);
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S48_EXPORT_FUNCTION(sch_closelog);
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S48_GC_PROTECT_GLOBAL(syslog_options_type_binding);
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syslog_options_type_binding =
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s48_get_imported_binding("syslog-options-type");
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S48_GC_PROTECT_GLOBAL(syslog_facility_type_binding);
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syslog_facility_type_binding =
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s48_get_imported_binding("syslog-facility-type");
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S48_GC_PROTECT_GLOBAL(syslog_facilities_binding);
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syslog_facilities_binding =
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s48_get_imported_binding("syslog-facilities");
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S48_GC_PROTECT_GLOBAL(syslog_level_type_binding);
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syslog_level_type_binding =
|
||||
s48_get_imported_binding("syslog-level-type");
|
||||
S48_GC_PROTECT_GLOBAL(syslog_levels_binding);
|
||||
syslog_levels_binding =
|
||||
s48_get_imported_binding("syslog-levels");
|
||||
|
||||
S48_GC_PROTECT_GLOBAL(syslog_mask_type_binding);
|
||||
syslog_mask_type_binding =
|
||||
s48_get_imported_binding("syslog-mask-type");
|
||||
}
|
||||
|
||||
/* ************************************************************ */
|
||||
/* Syslog options.
|
||||
*
|
||||
* We translate the local bits into our own bits and vice versa.
|
||||
*/
|
||||
|
||||
static s48_value
|
||||
s48_enter_syslog_options(int syslog_options)
|
||||
{
|
||||
s48_value sch_syslog_options;
|
||||
int my_syslog_options;
|
||||
|
||||
my_syslog_options =
|
||||
(LOG_CONS & syslog_options ? 00001 : 0) |
|
||||
(LOG_ODELAY & syslog_options ? 00002 : 0) |
|
||||
(LOG_NDELAY & syslog_options ? 00004 : 0) |
|
||||
(LOG_PERROR & syslog_options ? 00010 : 0) |
|
||||
(LOG_PID & syslog_options ? 00020 : 0);
|
||||
|
||||
sch_syslog_options = s48_make_record(syslog_options_type_binding);
|
||||
S48_UNSAFE_RECORD_SET(sch_syslog_options, 0, s48_enter_fixnum(my_syslog_options));
|
||||
|
||||
return sch_syslog_options;
|
||||
}
|
||||
|
||||
static int
|
||||
s48_extract_syslog_options(s48_value sch_syslog_options)
|
||||
{
|
||||
int c_syslog_options;
|
||||
int syslog_options;
|
||||
|
||||
s48_check_record_type(sch_syslog_options, syslog_options_type_binding);
|
||||
|
||||
syslog_options =
|
||||
s48_extract_fixnum(S48_UNSAFE_RECORD_REF(sch_syslog_options, 0));
|
||||
|
||||
c_syslog_options =
|
||||
(00001 & syslog_options ? LOG_CONS : 0) |
|
||||
(00002 & syslog_options ? LOG_ODELAY : 0) |
|
||||
(00004 & syslog_options ? LOG_NDELAY : 0) |
|
||||
(00010 & syslog_options ? LOG_PERROR : 0) |
|
||||
(00020 & syslog_options ? LOG_PID : 0);
|
||||
|
||||
return c_syslog_options;
|
||||
}
|
||||
|
||||
/* ************************************************************ */
|
||||
/* Syslog facility.
|
||||
*
|
||||
* We translate the local facility into our own encoding and vice versa.
|
||||
*/
|
||||
|
||||
/* The order of these is known to the Scheme code. */
|
||||
static int syslog_facilities[] = {
|
||||
LOG_AUTH,
|
||||
LOG_CRON,
|
||||
LOG_DAEMON,
|
||||
LOG_KERN,
|
||||
LOG_LPR,
|
||||
LOG_MAIL,
|
||||
LOG_NEWS,
|
||||
LOG_USER,
|
||||
LOG_UUCP,
|
||||
LOG_LOCAL0, LOG_LOCAL1, LOG_LOCAL2, LOG_LOCAL3,
|
||||
LOG_LOCAL4, LOG_LOCAL5, LOG_LOCAL6, LOG_LOCAL7
|
||||
};
|
||||
|
||||
|
||||
static s48_value
|
||||
s48_enter_syslog_facility(int syslog_facility)
|
||||
{
|
||||
s48_value sch_syslog_facility;
|
||||
int my_syslog_facility;
|
||||
|
||||
for (my_syslog_facility = 0;
|
||||
my_syslog_facility < (sizeof(syslog_facilities) / sizeof(int));
|
||||
++my_syslog_facility) {
|
||||
if (syslog_facility == my_syslog_facility)
|
||||
break;
|
||||
}
|
||||
|
||||
sch_syslog_facility =
|
||||
S48_VECTOR_REF(S48_SHARED_BINDING_REF(syslog_facilities_binding),
|
||||
my_syslog_facility);
|
||||
|
||||
return sch_syslog_facility;
|
||||
}
|
||||
|
||||
static s48_value
|
||||
s48_extract_syslog_facility(s48_value sch_syslog_facility)
|
||||
{
|
||||
int c_syslog_facility;
|
||||
int syslog_facility;
|
||||
|
||||
s48_check_record_type(sch_syslog_facility, syslog_facility_type_binding);
|
||||
|
||||
syslog_facility =
|
||||
s48_extract_fixnum(S48_UNSAFE_RECORD_REF(sch_syslog_facility, 1));
|
||||
|
||||
c_syslog_facility = syslog_facilities[syslog_facility];
|
||||
|
||||
return c_syslog_facility;
|
||||
}
|
||||
|
||||
/* ************************************************************ */
|
||||
/* Syslog level.
|
||||
*
|
||||
* We translate the local level into our own encoding and vice versa.
|
||||
*/
|
||||
|
||||
/* The order of these is known to the Scheme code. */
|
||||
static int syslog_levels[] = {
|
||||
LOG_EMERG,
|
||||
LOG_ALERT,
|
||||
LOG_CRIT,
|
||||
LOG_ERR,
|
||||
LOG_LPR,
|
||||
LOG_WARNING,
|
||||
LOG_NOTICE,
|
||||
LOG_INFO,
|
||||
LOG_DEBUG
|
||||
};
|
||||
|
||||
|
||||
static s48_value
|
||||
s48_enter_syslog_level(int syslog_level)
|
||||
{
|
||||
s48_value sch_syslog_level;
|
||||
int my_syslog_level;
|
||||
|
||||
for (my_syslog_level = 0;
|
||||
my_syslog_level < (sizeof(syslog_levels) / sizeof(int));
|
||||
++my_syslog_level) {
|
||||
if (syslog_level == my_syslog_level)
|
||||
break;
|
||||
}
|
||||
|
||||
sch_syslog_level =
|
||||
S48_VECTOR_REF(S48_SHARED_BINDING_REF(syslog_levels_binding),
|
||||
my_syslog_level);
|
||||
|
||||
return sch_syslog_level;
|
||||
}
|
||||
|
||||
static s48_value
|
||||
s48_extract_syslog_level(s48_value sch_syslog_level)
|
||||
{
|
||||
int c_syslog_level;
|
||||
int syslog_level;
|
||||
|
||||
s48_check_record_type(sch_syslog_level, syslog_level_type_binding);
|
||||
|
||||
syslog_level =
|
||||
s48_extract_fixnum(S48_UNSAFE_RECORD_REF(sch_syslog_level, 1));
|
||||
|
||||
c_syslog_level = syslog_levels[syslog_level];
|
||||
|
||||
return c_syslog_level;
|
||||
}
|
||||
|
||||
/* ************************************************************ */
|
||||
/* Syslog mask.
|
||||
*
|
||||
* We translate the local bits into our own bits and vice versa.
|
||||
*/
|
||||
|
||||
static s48_value
|
||||
s48_enter_syslog_mask(int syslog_mask)
|
||||
{
|
||||
s48_value sch_syslog_mask;
|
||||
int my_syslog_mask;
|
||||
|
||||
my_syslog_mask =
|
||||
(LOG_MASK(LOG_EMERG) & syslog_mask ? 00001 : 0) |
|
||||
(LOG_MASK(LOG_ALERT) & syslog_mask ? 00002 : 0) |
|
||||
(LOG_MASK(LOG_CRIT) & syslog_mask ? 00004 : 0) |
|
||||
(LOG_MASK(LOG_ERR) & syslog_mask ? 00010 : 0) |
|
||||
(LOG_MASK(LOG_WARNING) & syslog_mask ? 00020 : 0) |
|
||||
(LOG_MASK(LOG_NOTICE) & syslog_mask ? 00040 : 0) |
|
||||
(LOG_MASK(LOG_INFO) & syslog_mask ? 00100 : 0) |
|
||||
(LOG_MASK(LOG_DEBUG) & syslog_mask ? 00200 : 0);
|
||||
|
||||
sch_syslog_mask = s48_make_record(syslog_mask_type_binding);
|
||||
S48_UNSAFE_RECORD_SET(sch_syslog_mask, 0, s48_enter_fixnum(my_syslog_mask));
|
||||
|
||||
return sch_syslog_mask;
|
||||
}
|
||||
|
||||
static int
|
||||
s48_extract_syslog_mask(s48_value sch_syslog_mask)
|
||||
{
|
||||
int c_syslog_mask;
|
||||
int syslog_mask;
|
||||
|
||||
s48_check_record_type(sch_syslog_mask, syslog_mask_type_binding);
|
||||
|
||||
syslog_mask =
|
||||
s48_extract_fixnum(S48_UNSAFE_RECORD_REF(sch_syslog_mask, 0));
|
||||
|
||||
c_syslog_mask =
|
||||
(00001 & syslog_mask ? LOG_MASK(LOG_EMERG) : 0) |
|
||||
(00002 & syslog_mask ? LOG_MASK(LOG_ALERT) : 0) |
|
||||
(00004 & syslog_mask ? LOG_MASK(LOG_CRIT) : 0) |
|
||||
(00010 & syslog_mask ? LOG_MASK(LOG_ERR) : 0) |
|
||||
(00010 & syslog_mask ? LOG_MASK(LOG_WARNING) : 0) |
|
||||
(00010 & syslog_mask ? LOG_MASK(LOG_NOTICE) : 0) |
|
||||
(00010 & syslog_mask ? LOG_MASK(LOG_INFO) : 0) |
|
||||
(00020 & syslog_mask ? LOG_MASK(LOG_DEBUG) : 0);
|
||||
|
||||
return c_syslog_mask;
|
||||
}
|
||||
|
||||
/*
|
||||
* Interface to openlog, setlogmask, syslog, and closelog.
|
||||
* ### Must still prevent cores.
|
||||
*/
|
||||
|
||||
static int syslog_open = 0;
|
||||
|
||||
static s48_value
|
||||
sch_openlog(s48_value sch_ident,
|
||||
s48_value sch_options,
|
||||
s48_value sch_facility)
|
||||
{
|
||||
if (syslog_open)
|
||||
s48_raise_string_os_error("syslog is already open");
|
||||
openlog(s48_extract_string(sch_ident),
|
||||
s48_extract_syslog_options(sch_options),
|
||||
s48_extract_syslog_facility(sch_facility));
|
||||
syslog_open = 1;
|
||||
return S48_UNSPECIFIC;
|
||||
}
|
||||
|
||||
static s48_value
|
||||
sch_setlogmask(s48_value sch_logmask)
|
||||
{
|
||||
int logmask = s48_extract_syslog_mask(sch_logmask);
|
||||
int previous_logmask = setlogmask(logmask);
|
||||
|
||||
return s48_enter_syslog_mask(previous_logmask);
|
||||
}
|
||||
|
||||
static s48_value
|
||||
sch_syslog(s48_value sch_level, s48_value sch_opt_facility,
|
||||
s48_value sch_message)
|
||||
{
|
||||
int facility =
|
||||
S48_EQ_P(S48_FALSE, sch_opt_facility)
|
||||
? 0 : s48_extract_syslog_facility(sch_opt_facility);
|
||||
int level = s48_extract_syslog_level(sch_level);
|
||||
|
||||
if (!syslog_open)
|
||||
s48_raise_string_os_error("syslog isn't open");
|
||||
syslog(facility | level, s48_extract_string (sch_message));
|
||||
return S48_UNSPECIFIC;
|
||||
}
|
||||
|
||||
static s48_value
|
||||
sch_closelog(void)
|
||||
{
|
||||
|
||||
if (!syslog_open)
|
||||
s48_raise_string_os_error("syslog isn't open");
|
||||
closelog();
|
||||
syslog_open = 0;
|
||||
return S48_UNSPECIFIC;
|
||||
}
|
||||
Loading…
Reference in New Issue