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-rw-r--r--components/libc/compilers/newlib/syscalls.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/components/libc/compilers/newlib/syscalls.c b/components/libc/compilers/newlib/syscalls.c
index 24506476c6..59c1881ad1 100644
--- a/components/libc/compilers/newlib/syscalls.c
+++ b/components/libc/compilers/newlib/syscalls.c
@@ -453,3 +453,7 @@ mode_t umask(mode_t mask)
return 022;
}
+int flock(int fd, int operation)
+{
+ return 0;
+}