From 0b616383b85d4a7839470f34861671a34250422f Mon Sep 17 00:00:00 2001
From: Bowen Song <bowensong@users.noreply.github.com>
Date: Mon, 25 Sep 2017 14:01:02 +0100
Subject: [PATCH] set PTHREAD_MUTEX_RECURSIVE attribute on the counter_mutex,
 fixes #193

---
 src/proxymain.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/proxymain.c b/src/proxymain.c
index e9d7e7c..e3d1c66 100644
--- a/src/proxymain.c
+++ b/src/proxymain.c
@@ -842,6 +842,7 @@ int MODULEMAINFUNC (int argc, char** argv){
 
 
 void srvinit(struct srvparam * srv, struct clientparam *param){
+ pthread_mutexattr_t mutexattr;
 
  memset(srv, 0, sizeof(struct srvparam));
  srv->version = conf.version + 1;
@@ -870,7 +871,9 @@ void srvinit(struct srvparam * srv, struct clientparam *param){
  param->paused = srv->paused;
  param->remsock = param->clisock = param->ctrlsock = param->ctrlsocksrv = INVALID_SOCKET;
  *SAFAMILY(&param->req) = *SAFAMILY(&param->sinsl) = *SAFAMILY(&param->sinsr) = *SAFAMILY(&param->sincr) = *SAFAMILY(&param->sincl) = AF_INET;
- pthread_mutex_init(&srv->counter_mutex, NULL);
+ pthread_mutexattr_init(&mutexattr);
+ pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_RECURSIVE);
+ pthread_mutex_init(&srv->counter_mutex, &mutexattr);
  srv->intsa = conf.intsa;
  srv->extsa = conf.extsa;
 #ifndef NOIPV6