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-rw-r--r--libc-top-half/musl/src/thread/pthread_mutex_trylock.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/thread/pthread_mutex_trylock.c b/libc-top-half/musl/src/thread/pthread_mutex_trylock.c
index c60b45f..2b06507 100644
--- a/libc-top-half/musl/src/thread/pthread_mutex_trylock.c
+++ b/libc-top-half/musl/src/thread/pthread_mutex_trylock.c
@@ -21,7 +21,9 @@ int __pthread_mutex_trylock_owner(pthread_mutex_t *m)
return 0;
}
}
+#ifdef __wasilibc_unmodified_upstream
if (own == 0x3fffffff) return ENOTRECOVERABLE;
+#endif
if (own || (old && !(type & 4))) return EBUSY;
if (type & 128) {