added a reloading utility to the contrib section

contrib/reload/Makefile.in

@@ -0,0 +1,38 @@
+SHELL = @SHELL@
+
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+bindir = @bindir@
+sbindir = @sbindir@
+includedir = @includedir@
+libdir = @libdir@
+libexecdir = @libexecdir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+mandir = @mandir@
+datarootdir = @datarootdir@
+localstatedir = @localstatedir@
+
+CC = @CC@
+CFLAGS = @CFLAGS@ @CPPFLAGS@
+DEFS = @defs@
+INCDIR = -I. -I.. -I../.. -I../../src -I../src @INCDIR@ @sql_includes@
+LIBDIR = -L. @LIBDIR@ @LDFLAGS@ -L../src
+LIBS = @LIBS@ @sql_libs@
+RUNNING_USER = @RUNNING_USER@
+RUNNING_GROUP = `@id_bin@ -gn $(RUNNING_USER)`
+
+INSTALL = @INSTALL@
+
+all: pilerreload
+
+pilerreload: pilerreload.c ../../src/libpiler.a
+	$(CC) $(CFLAGS) $(INCDIR) $(DEFS) -o $@ $< -lpiler $(LIBS) $(LIBDIR)
+
+install:
+
+clean:
+	rm -f pilerreload
+
+distclean: clean
+	rm -f Makefile

contrib/reload/pilerreload.c

@@ -0,0 +1,53 @@
+/*
+ * pilerreload.c, SJ
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <syslog.h>
+#include <unistd.h>
+#include <errno.h>
+#include <piler.h>
+
+extern char *optarg;
+extern int optind;
+
+char *configfile = CONFIG_FILE;
+struct __config cfg;
+
+
+void fatal(char *s){
+   printf("pilerctl: fatal: %s\n", s);
+   exit(1);
+}
+
+
+int main(int argc, char **argv){
+   char buf[SMALLBUFSIZE];
+   int pid;
+   FILE *f;
+
+   cfg = read_config(CONFIG_FILE);
+
+   f = fopen(cfg.pidfile, "r");
+   if(!f) fatal("cannot open pidfile");
+
+   if(fgets(buf, sizeof(buf)-2, f) == NULL) fatal("cannot read pidfile");
+
+   fclose(f);
+
+   pid = atoi(buf);
+
+   if(pid > 1) kill(pid, SIGHUP);
+
+   return 0;
+}
+