ret_t
fdpoll_kqueue_new (cherokee_fdpoll_t **fdp, int sys_fd_limit, int fd_limit)
{
int re;
cherokee_fdpoll_t *nfd;
CHEROKEE_CNEW_STRUCT (1, n, fdpoll_kqueue);
nfd = FDPOLL(n);
/* Init base class properties
*/
nfd->type = cherokee_poll_kqueue;
nfd->nfiles = fd_limit;
nfd->system_nfiles = sys_fd_limit;
nfd->npollfds = 0;
/* Init base class virtual methods
*/
nfd->free = (fdpoll_func_free_t) _free;
nfd->add = (fdpoll_func_add_t) _add;
nfd->del = (fdpoll_func_del_t) _del;
nfd->reset = (fdpoll_func_reset_t) _reset;
nfd->set_mode = (fdpoll_func_set_mode_t) _set_mode;
nfd->check = (fdpoll_func_check_t) _check;
nfd->watch = (fdpoll_func_watch_t) _watch;
/* Init kqueue specific variables
*/
n->kqueue = -1;
n->nchanges = 0;
n->changelist = (struct kevent *) calloc (nfd->nfiles * 2, sizeof(struct kevent));
n->fdevents = (int *) calloc (nfd->system_nfiles, sizeof(int));
n->fdinterest = (int *) calloc (nfd->system_nfiles, sizeof(int));
if (n->fdevents == NULL || n->changelist == NULL || n->fdinterest == NULL) {
_free (n);
return ret_nomem;
}
n->kqueue = kqueue();
if (n->kqueue == -1) {
_free (n);
return ret_error;
}
re = fcntl (n->kqueue, F_SETFD, FD_CLOEXEC);
if (re < 0) {
LOG_ERRNO (errno, cherokee_err_error,
CHEROKEE_ERROR_FDPOLL_EPOLL_CLOEXEC);
_free (n);
return ret_error;
}
/* Return the object
*/
*fdp = nfd;
return ret_ok;
}
ret_t
fdpoll_win32_new (cherokee_fdpoll_t **fdp, int system_fd_limit, int fd_limit)
{
int i;
cherokee_fdpoll_t *nfd;
CHEROKEE_CNEW_STRUCT (1, n, fdpoll_select);
/* Verify that the max. number of selectable fds
* is below the max. acceptable limit per select set.
*/
if (fd_limit > FD_SETSIZE) {
_free(n);
return ret_error;
}
nfd = FDPOLL(n);
/* Init base class properties
*/
nfd->type = cherokee_poll_win32;
nfd->nfiles = fd_limit;
nfd->system_nfiles = system_fd_limit;
nfd->npollfds = 0;
/* Init base class virtual methods
*/
nfd->free = (fdpoll_func_free_t) _free;
nfd->add = (fdpoll_func_add_t) _add;
nfd->del = (fdpoll_func_del_t) _del;
nfd->reset = (fdpoll_func_reset_t) _reset;
nfd->set_mode = (fdpoll_func_set_mode_t) _set_mode;
nfd->check = (fdpoll_func_check_t) _check;
nfd->watch = (fdpoll_func_watch_t) _watch;
/* Init properties
*/
FD_ZERO (&n->master_rfdset);
FD_ZERO (&n->master_wfdset);
n->select_fds = (int*) calloc(nfd->nfiles, sizeof(int));
n->maxfd = -1;
n->maxfd_recompute = 0;
if (n->select_fds == NULL) {
_free (n);
return ret_nomem;
}
for (i = 0; i < nfd->nfiles; ++i) {
n->select_fds[i] = -1;
}
*fdp = nfd;
return ret_ok;
}
ret_t
fdpoll_port_new (cherokee_fdpoll_t **fdp, int sys_limit, int limit)
{
cuint_t i;
cherokee_fdpoll_t *nfd;
CHEROKEE_CNEW_STRUCT (1, n, fdpoll_port);
nfd = FDPOLL(n);
/* Init base class properties
*/
nfd->type = cherokee_poll_port;
nfd->nfiles = limit;
nfd->system_nfiles = sys_limit;
nfd->npollfds = 0;
/* Init base class virtual methods
*/
nfd->free = (fdpoll_func_free_t) _free;
nfd->add = (fdpoll_func_add_t) _add;
nfd->del = (fdpoll_func_del_t) _del;
nfd->reset = (fdpoll_func_reset_t) _reset;
nfd->set_mode = (fdpoll_func_set_mode_t) _set_mode;
nfd->check = (fdpoll_func_check_t) _check;
nfd->watch = (fdpoll_func_watch_t) _watch;
/* Allocate data
*/
n->port = -1;
n->port_readyfds = 0;
n->port_events = (port_event_t *) calloc(nfd->nfiles, sizeof(port_event_t));
n->port_activefd = (int *) calloc(nfd->system_nfiles, sizeof(int));
if ( n->port_events == NULL || n->port_activefd == NULL ) {
_free( n );
return ret_nomem;
}
for (i=0; i < nfd->system_nfiles; i++) {
n->port_activefd[i] = -1;
}
if ( (n->port = port_create()) == -1 ) {
_free( n );
return ret_error;
}
/* Return the object
*/
*fdp = nfd;
return ret_ok;
}
ret_t
fdpoll_epoll_new (cherokee_fdpoll_t **fdp, int sys_fd_limit, int fd_limit)
{
int re;
cherokee_fdpoll_t *nfd;
CHEROKEE_CNEW_STRUCT (1, n, fdpoll_epoll);
nfd = FDPOLL(n);
/* Init base class properties
*/
nfd->type = cherokee_poll_epoll;
nfd->nfiles = fd_limit;
nfd->system_nfiles = sys_fd_limit;
nfd->npollfds = 0;
/* Init base class virtual methods
*/
nfd->free = (fdpoll_func_free_t) _free;
nfd->add = (fdpoll_func_add_t) _add;
nfd->del = (fdpoll_func_del_t) _del;
nfd->reset = (fdpoll_func_reset_t) _reset;
nfd->set_mode = (fdpoll_func_set_mode_t) _set_mode;
nfd->check = (fdpoll_func_check_t) _check;
nfd->watch = (fdpoll_func_watch_t) _watch;
/* Look for max fd limit
*/
n->ep_fd = -1;
n->ep_nrevents = 0;
n->ep_events = (struct epoll_event *) calloc (nfd->nfiles, sizeof(struct epoll_event));
n->epoll_fd2idx = (int *) calloc (nfd->system_nfiles, sizeof(int));
/* If anyone fails free all and return ret_nomem
*/
if (n->ep_events == NULL || n->epoll_fd2idx == NULL) {
_free(n);
return ret_nomem;
}
for (re = 0; re < nfd->system_nfiles; re++) {
n->epoll_fd2idx[re] = -1;
}
n->ep_fd = epoll_create (nfd->nfiles);
if (n->ep_fd < 0) {
/* It may fail here if the glibc library supports epoll,
* but the kernel doesn't.
*/
#if 0
LOG_ERRNO (errno, cherokee_err_error,
CHEROKEE_ERROR_FDPOLL_EPOLL_CREATE, nfd->nfiles+1);
#endif
_free (n);
return ret_error;
}
re = fcntl (n->ep_fd, F_SETFD, FD_CLOEXEC);
if (re < 0) {
LOG_ERRNO (errno, cherokee_err_error,
CHEROKEE_ERROR_FDPOLL_EPOLL_CLOEXEC);
_free (n);
return ret_error;
}
/* Return the object
*/
*fdp = nfd;
return ret_ok;
}
