Remove the pid file when ZNC exits

git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@948 726aef4b-f618-498e-8847-2d620e286838

znc.cpp

@@ -53,6 +53,8 @@ CZNC::~CZNC() {
 #ifdef _MODULES
 	delete m_pModules;
 #endif
+
+	DeletePidFile();
 }
 
 CString CZNC::GetTag(bool bIncludeVersion) {
@@ -263,6 +265,26 @@ bool CZNC::WritePidFile(int iPid) {
 	return false;
 }
 
+bool CZNC::DeletePidFile() {
+	if (!m_sPidFile.empty()) {
+		CString sFile;
+		// absolute path or relative to the data dir?
+		if (m_sPidFile[0] != '/')
+			sFile = GetZNCPath() + "/" + m_sPidFile;
+		else
+			sFile = m_sPidFile;
+
+		CFile File(sFile);
+		CUtils::PrintAction("Deleting pid file [" + sFile + "]");
+		if (File.Delete()) {
+			CUtils::PrintStatus(true);
+			return true;
+		}
+		CUtils::PrintStatus(false);
+	}
+	return false;
+}
+
 bool CZNC::WritePemFile( bool bEncPem ) {
 #ifndef HAVE_LIBSSL
 	CUtils::PrintError("ZNC was not compiled with ssl support.");