1 files changed, 17 insertions, 3 deletions
diff --git a/src/unistd/pipe2.c b/src/unistd/pipe2.c
index 83282bb9..04e0c128 100644
--- a/src/unistd/pipe2.c
+++ b/src/unistd/pipe2.c
@@ -1,8 +1,22 @@
-#define _GNU_SOURCE
 #include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
 #include "syscall.h"
 
-int pipe2(int fd[2], int flg)
+int pipe2(int fd[2], int flag)
 {
-	return syscall(SYS_pipe2, fd, flg);
+	if (!flag) return syscall(SYS_pipe, fd);
+	int ret = __syscall(SYS_pipe2, fd, flag);
+	if (ret != -ENOSYS) return __syscall_ret(ret);
+	ret = syscall(SYS_pipe, fd);
+	if (ret) return __syscall_ret(ret);
+	if (flag & O_CLOEXEC) {
+		fcntl(fd[0], F_SETFD, FD_CLOEXEC);
+		fcntl(fd[1], F_SETFD, FD_CLOEXEC);
+	}
+	if (flag & O_NONBLOCK) {
+		fcntl(fd[0], F_SETFL, fcntl(fd[0], F_GETFL) | O_NONBLOCK);
+		fcntl(fd[1], F_SETFL, fcntl(fd[1], F_GETFL) | O_NONBLOCK);
+	}
+	return 0;
 }