GVL_DEBUG 99 thread_win32.c if (GVL_DEBUG) fprintf(stderr, "gvl acquire (%p): acquire\n", th); GVL_DEBUG 119 thread_win32.c if (GVL_DEBUG) fprintf(stderr, "gvl init\n"); GVL_DEBUG 126 thread_win32.c if (GVL_DEBUG) fprintf(stderr, "gvl destroy\n");