Add ShutdownGoogleLogging to close syslog.

This patch was contributed by DGunchev (thanks!)

http://code.google.com/p/google-glog/issues/detail?id=28


git-svn-id: https://google-glog.googlecode.com/svn/trunk@88 eb4d4688-79bd-11dd-afb4-1d65580434c0

src/glog/logging.h.in

@@ -482,6 +482,9 @@ DECLARE_bool(stop_logging_if_full_disk);
 // specified by argv0 in log outputs.
 GOOGLE_GLOG_DLL_DECL void InitGoogleLogging(const char* argv0);
 
+// Shutdown google's logging library.
+GOOGLE_GLOG_DLL_DECL void ShutdownGoogleLogging();
+
 // Install a function which will be called after LOG(FATAL).
 GOOGLE_GLOG_DLL_DECL void InstallFailureFunction(void (*fail_func)());
 

src/logging_unittest.cc

@@ -227,6 +227,8 @@ int main(int argc, char **argv) {
   TestErrno();
   TestTruncate();
 
+  ShutdownGoogleLogging();
+
   fprintf(stdout, "PASS\n");
   return 0;
 }

src/utilities.cc

@@ -44,6 +44,9 @@
 #elif defined(HAVE_SYS_SYSCALL_H)
 #include <sys/syscall.h>                 // for syscall()
 #endif
+#ifdef HAVE_SYSLOG_H
+# include <syslog.h>
+#endif
 
 #include "base/googleinit.h"
 
@@ -316,6 +319,14 @@ void InitGoogleLogging(const char* argv0) {
 #endif
 }
 
+void ShutdownGoogleLogging() {
+  CHECK(IsGoogleLoggingInitialized())
+      << "You called ShutdownGoogleLogging() without InitGoogleLogging() first!";
+#ifdef HAVE_SYSLOG_H
+  closelog();
+#endif
+}
+
 _END_GOOGLE_NAMESPACE_
 
 // Make an implementation of stacktrace compiled.

src/windows/glog/logging.h

@@ -486,6 +486,9 @@ namespace google {
 // specified by argv0 in log outputs.
 GOOGLE_GLOG_DLL_DECL void InitGoogleLogging(const char* argv0);
 
+// Shutdown google's logging library.
+GOOGLE_GLOG_DLL_DECL void ShutdownGoogleLogging();
+
 // Install a function which will be called after LOG(FATAL).
 GOOGLE_GLOG_DLL_DECL void InstallFailureFunction(void (*fail_func)());