aio syscalls

aio_syscalls.c

#if defined(__i386__)
# define SYS_io_setup      245
# define SYS_io_destroy    246
# define SYS_io_getevents  247
# define SYS_io_submit     248
# define SYS_io_cancel     249
#elif defined(__x86_64__)
# define SYS_io_setup       206
# define SYS_io_destroy     207
# define SYS_io_getevents   208
# define SYS_io_submit      209
# define SYS_io_cancel      210
#endif

/* Linux specific io calls */
static int
io_setup (guint nr_reqs, aio_context_t *ctx)
{
    return syscall (SYS_io_setup, nr_reqs, ctx);
}

static int
io_destroy (aio_context_t ctx)
{
    return syscall (SYS_io_destroy, ctx);
}

static int
io_getevents (aio_context_t ctx, long min_nr, long nr, struct io_event *events, struct timespec *tmo)
{
	return syscall (SYS_io_getevents, ctx, min_nr, nr, events, tmo);
}

static int
io_submit (aio_context_t ctx, long n, struct iocb **paiocb)
{
    return syscall (SYS_io_submit, ctx, n, paiocb);
}

static int
io_cancel (aio_context_t ctx, struct iocb *iocb, struct io_event *result)
{
    return syscall (SYS_io_cancel, ctx, iocb, result);
}