Function cbm_log_set_crash_durable

src/foundation/log.c:39–48

static _Atomic bool g_log_crash_durable = false;

void cbm_log_set_crash_durable(bool enabled) {
    if (enabled) {
        /* Best effort by contract: setvbuf is only guaranteed before a stream's
         * first operation, so a process that has already written to stderr
         * keeps its buffering. The per-line flush in emit_line is what makes
         * the durability guarantee hold either way. */
        (void)setvbuf(stderr, NULL, _IONBF, 0);
    }
    atomic_store_explicit(&g_log_crash_durable, enabled, memory_order_relaxed);
}

bool cbm_log_crash_durable(void) {
    return atomic_load_explicit(&g_log_crash_durable, memory_order_relaxed);