fd_t *
booster_fdptr_get (booster_fdtable_t *fdtable, int fd)
{
fd_t *fdptr = NULL;
if (fdtable == NULL || fd < 0) {
gf_log ("booster-fd", GF_LOG_ERROR, "invalid argument");
errno = EINVAL;
return NULL;
}
gf_log ("booster-fd", GF_LOG_TRACE, "FD ptr request: %d", fd);
if (!(fd < fdtable->max_fds)) {
gf_log ("booster-fd", GF_LOG_ERROR, "FD not in booster fd"
" table");
errno = EINVAL;
return NULL;
}
LOCK (&fdtable->lock);
{
fdptr = fdtable->fds[fd];
if (fdptr)
fd_ref (fdptr);
}
UNLOCK (&fdtable->lock);
return fdptr;
}
int
booster_fd_unused_get (booster_fdtable_t *fdtable, fd_t *fdptr, int fd)
{
int ret = -1;
int error = 0;
if (fdtable == NULL || fdptr == NULL || fd < 0) {
gf_log ("booster-fd", GF_LOG_ERROR, "invalid argument");
errno = EINVAL;
return -1;
}
gf_log ("booster-fd", GF_LOG_TRACE, "Requested fd: %d", fd);
LOCK (&fdtable->lock);
{
while (fdtable->max_fds < fd) {
error = 0;
error = booster_fdtable_expand (fdtable,
fdtable->max_fds + 1);
if (error) {
gf_log ("booster-fd", GF_LOG_ERROR,
"Cannot expand fdtable:%s",
strerror (error));
goto err;
}
}
if (!fdtable->fds[fd]) {
fdtable->fds[fd] = fdptr;
fd_ref (fdptr);
ret = fd;
} else
gf_log ("booster-fd", GF_LOG_ERROR, "Cannot allocate fd"
" %d (slot not empty in fdtable)", fd);
}
err:
UNLOCK (&fdtable->lock);
return ret;
}
int32_t ida_fd_assign(ida_local_t * local, fd_t ** dst, fd_t * src)
{
*dst = fd_ref(src);
return 0;
}
