From 8251bbccd3db9ad4d2f0c1899a98251cb2b16962 Mon Sep 17 00:00:00 2001
From: virusdefender <virusdefender@outlook.com>
Date: Wed, 12 Dec 2018 14:38:29 +0800
Subject: [PATCH] add unbuffer.c

---
 Dockerfile        | 3 ++-
 server/unbuffer.c | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 server/unbuffer.c

diff --git a/Dockerfile b/Dockerfile
index 112ebb1..21d1e9b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ RUN buildDeps='software-properties-common git libtool cmake python-dev python3-p
     apt-get update && apt-get install -y python python3.5 python-pkg-resources python3-pkg-resources gcc g++ $buildDeps && \
     add-apt-repository ppa:openjdk-r/ppa && apt-get update && apt-get install -y openjdk-8-jdk && \
     pip3 install --no-cache-dir psutil gunicorn flask requests && \
-    cd /tmp && git clone -b newnew  --depth 1 https://github.com/QingdaoU/Judger && cd Judger && \ 
+    cd /tmp && git clone -b newnew  --depth 1 https://github.com/QingdaoU/Judger && cd Judger && \
     mkdir build && cd build && cmake .. && make && make install && cd ../bindings/Python && python3 setup.py install && \
     apt-get purge -y --auto-remove $buildDeps && \
     apt-get clean && rm -rf /var/lib/apt/lists/* && \
@@ -16,5 +16,6 @@ RUN buildDeps='software-properties-common git libtool cmake python-dev python3-p
 HEALTHCHECK --interval=5s --retries=3 CMD python3 /code/service.py
 ADD server /code
 WORKDIR /code
+RUN gcc -shared -fPIC -o unbuffer.so unbuffer.c
 EXPOSE 8080
 ENTRYPOINT /code/entrypoint.sh
diff --git a/server/unbuffer.c b/server/unbuffer.c
new file mode 100644
index 0000000..919f2af
--- /dev/null
+++ b/server/unbuffer.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+void unbuffer() __attribute__((constructor));
+
+void unbuffer()
+{
+    setvbuf(stdout, NULL, _IONBF, 0);
+}
\ No newline at end of file