优化多线程: 线程优先级、线程分离、线程先到先得（实时调度）算法

Makefile

@@ -2,7 +2,7 @@ CROSS_COMPILE ?=
 CC := $(CROSS_COMPILE)gcc
 STRIP := $(CROSS_COMPILE)strip
 CFLAGS = -Wall -g -O3
-LIB = -lssh2 -pthread
+LIB = -lssh2 -pthread -static
 OBJ = tunnel
 
 SSH2_LIB := $(shell pkg-config --static --libs --cflags libssh2)
@@ -12,7 +12,7 @@ all:forward-tunnel reverse-tunnel
 
 forward-tunnel: forward-tunnel.o
 	$(CC) $(CFLAGS) -o forward-tunnel $^ $(SSH2_LIB) $(LIB)
-	$(STRIP) forward-tunnel
+	: $(STRIP) forward-tunnel
 
 reverse-tunnel: reverse-tunnel.o
 	$(CC) $(CFLAGS) -o reverse-tunnel $^ $(SSH2_LIB) $(LIB)