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-rw-r--r--src/stdio/flockfile.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/stdio/flockfile.c b/src/stdio/flockfile.c
index 1b6ef580..440a36a9 100644
--- a/src/stdio/flockfile.c
+++ b/src/stdio/flockfile.c
@@ -3,7 +3,9 @@
void flockfile(FILE *f)
{
- pthread_self();
- libc.lockfile = __lockfile;
+ if (!libc.lockfile) {
+ pthread_self();
+ libc.lockfile = __lockfile;
+ }
__lockfile(f);
}