From e97ba95f71bd080be62ed9a389b2239f2578ec6f Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Mon, 26 Dec 2022 01:41:10 -0500
Subject: [libc][unistd.h] define F_OK

---
 components/libc/compilers/common/include/sys/unistd.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'components/libc')

diff --git a/components/libc/compilers/common/include/sys/unistd.h b/components/libc/compilers/common/include/sys/unistd.h
index 0eaf52423c..b9c64f3bb6 100644
--- a/components/libc/compilers/common/include/sys/unistd.h
+++ b/components/libc/compilers/common/include/sys/unistd.h
@@ -23,6 +23,11 @@ extern "C" {
 #define STDOUT_FILENO   1       /* standard output file descriptor */
 #define STDERR_FILENO   2       /* standard error file descriptor */
 
+#define F_OK 0
+#define X_OK 1
+#define W_OK 2
+#define R_OK 4
+
 unsigned alarm(unsigned __secs);
 ssize_t read(int fd, void *buf, size_t len);
 ssize_t write(int fd, const void *buf, size_t len);
-- 
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