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-rw-r--r--src/stdio/flockfile.c6
-rw-r--r--src/stdio/ftrylockfile.c2
2 files changed, 5 insertions, 3 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);
}
diff --git a/src/stdio/ftrylockfile.c b/src/stdio/ftrylockfile.c
index 725b66e7..1d0a1ff8 100644
--- a/src/stdio/ftrylockfile.c
+++ b/src/stdio/ftrylockfile.c
@@ -3,7 +3,7 @@
int ftrylockfile(FILE *f)
{
- libc.lockfile = __lockfile;
+ if (!libc.lockfile) libc.lockfile = __lockfile;
if (f->owner && f->owner == pthread_self()->tid) {
if (f->lockcount == INT_MAX)
return -1;