/**
* Build an alive ping message.
*
* @return a /PI message.
*/
pmsg_t *
g2_build_alive_ping(void)
{
ONCE_FLAG_RUN(build_alive_pi_done, g2_build_alive_ping_once);
return pmsg_clone(build_alive_pi);
}
/**
* Build a pong message.
*
* @return a /PO message.
*/
pmsg_t *
g2_build_pong(void)
{
ONCE_FLAG_RUN(build_po_done, g2_build_pong_once);
return pmsg_clone(build_po);
}
/**
* Mark a file descriptor as being preserved from closing by
* fd_close_unpreserved_from().
*/
void
fd_preserve(int fd)
{
g_assert(!is_a_socket(fd));
ONCE_FLAG_RUN(fd_preserved_allocated, fd_preserved_allocate);
hset_insert(fd_preserved, int_to_pointer(fd));
}
static inline ALWAYS_INLINE void
PIO_LOCK(int fd)
{
ONCE_FLAG_RUN(pio_inited, pio_init_once);
g_assert(fd >= 0);
g_assert(UNSIGNED(fd) < pio_capacity);
spinlock(&pio_locks[fd]);
}
/**
* Initialze a BFD symbol lookup environment context.
*
* @return new context that will need to be closed with bfd_util_close_null().
*/
bfd_env_t *
bfd_util_init(void)
{
static once_flag_t done;
bfd_env_t *be;
XMALLOC0(be);
be->magic = BFD_ENV_MAGIC;
mutex_init(&be->lock);
ONCE_FLAG_RUN(done, bfd_init);
return be;
}
/**
* Initialize the PATRICIA map.
*/
static inline ALWAYS_INLINE void
g2_msg_init(void)
{
ONCE_FLAG_RUN(g2_msg_pt_created, g2_msg_build_map);
}
