Interface to the POSIX System logger interface.

http://pubs.opengroup.org/onlinepubs/007904875/basedefs/syslog.h.html

src/core/sys/posix/syslog.d

@@ -0,0 +1,74 @@
+/**
+ * D header file to interface with the Linux system logger API 
+ * (http://man7.org/linux/man-pages/man3/syslog.3.html)
+ * (http://pubs.opengroup.org/onlinepubs/007904875/basedefs/syslog.h.html)
+ *
+ * Copyright: Copyright Adil Baig 2013.
+ * License : $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost License 1.0) 
+ * Authors  : Adil Baig (github.com/adilbaig)
+ */
+module std.syslog;
+
+version (Posix):
+
+extern (C):
+@system:
+nothrow:
+
+//PRIORITY
+enum {
+    LOG_EMERG = 0,     /* system is unusable */
+    LOG_ALERT = 1,     /* action must be taken immediately */
+    LOG_CRIT  = 2,     /* critical conditions */
+    LOG_ERR   = 3,     /* error conditions */
+    LOG_WARNING = 4,   /* warning conditions */
+    LOG_NOTICE  = 5,   /* normal but significant condition */
+    LOG_INFO    = 6,   /* informational */
+    LOG_DEBUG   = 7,   /* debug-level messages */
+};
+
+//OPTIONS
+enum {
+    LOG_PID = 0x01,     /* log the pid with each message */
+    LOG_CONS   = 0x02,  /* log on the console if errors in sending */
+    LOG_ODELAY = 0x04,  /* delay open until first syslog() (default) */
+    LOG_NDELAY = 0x08,  /* don't delay open */
+    LOG_NOWAIT = 0x10,  /* don't wait for console forks: DEPRECATED */
+    LOG_PERROR = 0x20,  /* log to stderr as well */
+};
+
+//FACILITY
+enum {
+    LOG_KERN   = (0<<3),  /* kernel messages */
+    LOG_USER   = (1<<3),  /* random user-level messages */
+    LOG_MAIL   = (2<<3),  /* mail system */
+    LOG_DAEMON = (3<<3),  /* system daemons */
+    LOG_AUTH   = (4<<3),  /* security/authorization messages */
+    LOG_SYSLOG = (5<<3),  /* messages generated internally by syslogd */
+    LOG_LPR    = (6<<3),  /* line printer subsystem */
+    LOG_NEWS   = (7<<3),  /* network news subsystem */
+    LOG_UUCP   = (8<<3),  /* UUCP subsystem */
+    LOG_CRON   = (9<<3),  /* clock daemon */
+    LOG_AUTHPRIV = (10<<3), /* security/authorization messages (private), */
+    LOG_FTP    =  (11<<3), /* ftp daemon */
+
+    /* other codes through 15 reserved for system use */
+    LOG_LOCAL0 = (16<<3), /* reserved for local use */
+    LOG_LOCAL1 = (17<<3), /* reserved for local use */
+    LOG_LOCAL2 = (18<<3), /* reserved for local use */
+    LOG_LOCAL3 = (19<<3), /* reserved for local use */
+    LOG_LOCAL4 = (20<<3), /* reserved for local use */
+    LOG_LOCAL5 = (21<<3), /* reserved for local use */
+    LOG_LOCAL6 = (22<<3), /* reserved for local use */
+    LOG_LOCAL7 = (23<<3), /* reserved for local use */
+
+    LOG_NFACILITIES = 24,  /* current number of facilities */
+};
+
+int LOG_MASK(int pri) { return 1 << pri; }        /* mask for one priority */
+int LOG_UPTO(int pri) { return (1 << (pri+1)) - 1; }  /* all priorities through pri */
+
+void openlog (const char *__ident, int __option, int __facility);
+int  setlogmask (int __mask);
+void syslog (int __pri, const char *__fmt, ...);
+void closelog();