diff --git a/include/ssocket.h b/include/ssocket.h
index 6cafe03..ab5d0ce 100644
--- a/include/ssocket.h
+++ b/include/ssocket.h
@@ -26,6 +26,7 @@
 #define socklen_t int
 #elif LINUX_PART
 #include <unistd.h>
+#include <sys/socket.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <pthread.h>
diff --git a/include/tthread.h b/include/tthread.h
index a5b5fb1..bd91755 100644
--- a/include/tthread.h
+++ b/include/tthread.h
@@ -15,6 +15,8 @@ typedef DWORD TID;
 typedef CRITICAL_SECTION MUTEX;
 typedef CONDITION_VARIABLE COND;
 #elif _OS_LINUX
+#include <unistd.h>
+#include <errno.h>
 #include <pthread.h>
 typedef pthread_t TID;
 typedef pthread_mutex_t MUTEX;
@@ -23,6 +25,17 @@ typedef pthread_cond_t COND;
 #error "Not Supported Operator System"
 #endif
 
+#ifndef ZZY_SLEEP
+#define ZZY_SLEEP
+#if _OS_WIN
+	#define sleeps(s) Sleep(s*1000) 
+    #define sleepms(ms) Sleep(ms)
+#elif _OS_LINUX
+	#define sleeps(s) sleep(s)
+	#define sleepms(ms) usleep(ms*1000)
+#endif
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -46,6 +59,7 @@ enum {
 	ERR_THREAD_COND_BROADCAST,
 	ERR_THREAD_COND_WAIT,
 	ERR_THREAD_COND_TIMEDWAIT,
+	ERR_THREAD_COND_TIME_OUT,
 
 	ERR_THREAD_ENUM_END
 };
@@ -65,7 +79,7 @@ static inline int thread_cond_destroy(COND* cond);
 static inline int thread_cond_singal(COND* cond);
 static inline int thread_cond_broadcast(COND* cond);
 static inline int thread_cond_wait(COND* cond, MUTEX* mutex);
-static inline int thread_cond_timedwait(COND* cond, MUTEX* mutex);
+static inline int thread_cond_timedwait(COND* cond, MUTEX* mutex, int ms);
 
 static inline int tprintf(MUTEX* mutex, const char* format, ...);
 static inline int tfprintf(MUTEX* mutex, FILE* const stream, const char* format, ...);
@@ -202,16 +216,22 @@ static inline int thread_cond_wait(COND* cond, MUTEX* mutex) {
 	return ERR_THREAD_SUCCESS;
 }
 
-//static inline int thread_cond_timedwait(COND cond, MUTEX mutex, ) {
-//#if _OS_WIN
-//	if (SignalObjectAndWait(cond, mutex, INFINITE, 0) == WAIT_FAILED) { return ERR_THREAD_COND_TIMEDWAIT; }
-// WAIT_TIMEOUT
-//#elif _OS_LINUX
-//	if (pthread_cond_timedwait(cond, mutex, ) != 0) { return ERR_THREAD_COND_TIMEDWAIT; }
-// ETIMEDOUT
-//#endif
-//	return ERR_THREAD_SUCCESS;
-//}
+static inline int thread_cond_timedwait(COND* cond, MUTEX* mutex, int ms) {
+#if _OS_WIN
+	int res = SignalObjectAndWait(cond, mutex, ms, 0);
+	if (res == WAIT_TIMEOUT) { return -ERR_THREAD_COND_TIME_OUT; }
+	if (res == WAIT_FAILED) { return -ERR_THREAD_COND_TIMEDWAIT; }
+#elif _OS_LINUX
+    struct timespec outtime;
+    clock_gettime(CLOCK_MONOTONIC, &outtime);
+    outtime.tv_sec += ms/1000;
+	outtime.tv_nsec += (ms % 1000) * 1000 * 1000;
+	int res = pthread_cond_timedwait(cond, mutex, &outtime);
+	if (res == ETIMEDOUT) { return -ERR_THREAD_COND_TIME_OUT; }
+	if (res != 0) { return -ERR_THREAD_COND_TIMEDWAIT; }
+#endif
+	return ERR_THREAD_SUCCESS;
+}
 
 // thread safety stdio
 static inline int tprintf(MUTEX* mutex, const char* format, ...) {