Function cbm_spawn_backoff

src/foundation/subprocess.c:923–927

#endif

static void cbm_spawn_backoff(int attempt) {
    long ms = 10L << (attempt < 6 ? attempt : 6);
    struct timespec delay = {ms / 1000L, (ms % 1000L) * 1000L * 1000L};
    (void)cbm_nanosleep(&delay, NULL);
}

/* fork() fails with EAGAIN under the same pressure posix_spawn does, and the
 * fallback path must not be less robust than the primary one. */