1 files changed, 23 insertions, 0 deletions
diff --git a/compat/nonblock.c b/compat/nonblock.c
new file mode 100644
index 0000000000..b08105a21d
--- /dev/null
+++ b/compat/nonblock.c
@@ -0,0 +1,23 @@
+#include "git-compat-util.h"
+#include "nonblock.h"
+
+#ifdef O_NONBLOCK
+
+int enable_pipe_nonblock(int fd)
+{
+	int flags = fcntl(fd, F_GETFL);
+	if (flags < 0)
+		return -1;
+	flags |= O_NONBLOCK;
+	return fcntl(fd, F_SETFL, flags);
+}
+
+#else
+
+int enable_pipe_nonblock(int fd)
+{
+	errno = ENOSYS;
+	return -1;
+}
+
+#endif