From b2db833697026d982bc81099bc4c026c38c88ad9 Mon Sep 17 00:00:00 2001
From: quanzhao <quanzhao@rt-thread.com>
Date: Wed, 6 Jan 2021 11:09:03 +0800
Subject: [PATCH] Complete the syscall 'sys_pipe()'.

---
 components/lwp/lwp_syscall.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/components/lwp/lwp_syscall.c b/components/lwp/lwp_syscall.c
index 6ef0f66710..962525e871 100644
--- a/components/lwp/lwp_syscall.c
+++ b/components/lwp/lwp_syscall.c
@@ -2252,8 +2252,7 @@ int sys_access(const char *filename, int mode)
 
 int sys_pipe(int fd[2])
 {
-    /* not implemented */
-    return -1;
+    return pipe(fd);
 }
 
 int sys_clock_settime(clockid_t clk, const struct timespec *ts)
-- 
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