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-rw-r--r--libc-top-half/musl/src/internal/pthread_impl.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/internal/pthread_impl.h b/libc-top-half/musl/src/internal/pthread_impl.h
index a6d188b..1e7b974 100644
--- a/libc-top-half/musl/src/internal/pthread_impl.h
+++ b/libc-top-half/musl/src/internal/pthread_impl.h
@@ -216,7 +216,12 @@ extern hidden unsigned __default_stacksize;
extern hidden unsigned __default_guardsize;
#define DEFAULT_STACK_SIZE 131072
+#ifdef __wasilibc_unmodified_upstream
#define DEFAULT_GUARD_SIZE 8192
+#else
+/* guard doesn't make much sense without mprotect. */
+#define DEFAULT_GUARD_SIZE 0
+#endif
#define DEFAULT_STACK_MAX (8<<20)
#define DEFAULT_GUARD_MAX (1<<20)