diff options
Diffstat (limited to 'lib/ssl/c_src/esock_poll.c')
| -rw-r--r-- | lib/ssl/c_src/esock_poll.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/lib/ssl/c_src/esock_poll.c b/lib/ssl/c_src/esock_poll.c deleted file mode 100644 index e982eba881..0000000000 --- a/lib/ssl/c_src/esock_poll.c +++ /dev/null @@ -1,222 +0,0 @@ -/*<copyright> - * <year>2005-2008</year> - * <holder>Ericsson AB, All Rights Reserved</holder> - *</copyright> - *<legalnotice> - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. - * - * The Initial Developer of the Original Code is Ericsson AB. - *</legalnotice> - */ - -/* - * Purpose: Hide poll() and select() behind an API so that we - * can use either one. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#ifdef __WIN32__ -#include "esock_winsock.h" -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <string.h> -#include <time.h> -#include <ctype.h> -#include <sys/types.h> -#include <errno.h> - -#ifdef __WIN32__ -#include <process.h> -#else -#include <unistd.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> -#include <sys/time.h> -#include <netdb.h> -#include <arpa/inet.h> -#include <fcntl.h> -#endif - -#include "esock.h" -#include "esock_ssl.h" -#include "esock_utils.h" -#include "esock_poll.h" -#include "debuglog.h" - -#if !defined(USE_SELECT) - -/* At least on FreeBSD, we need POLLRDNORM for normal files, not POLLIN. */ -/* Whether this is a bug in FreeBSD, I don't know. */ -#ifdef POLLRDNORM -#define POLL_INPUT (POLLIN | POLLRDNORM) -#else -#define POLL_INPUT POLLIN -#endif - -static void poll_fd_set(EsockPoll *ep, FD fd, short events) -{ - int i, j; - int prev_num_fds = ep->num_fds; - - if (ep->num_fds <= fd) { - ep->num_fds = fd + 64; - ep->fd_to_poll = (int *) esock_realloc(ep->fd_to_poll, - ep->num_fds*sizeof(int)); - for (j = prev_num_fds; j < ep->num_fds; j++) - ep->fd_to_poll[j] = -1; - } - i = ep->fd_to_poll[fd]; - if (i > 0 && i < ep->active && ep->fds[i].fd == fd) { - /* Already present in poll array */ - ep->fds[i].events |= events; - } else { - /* Append to poll array */ - if (ep->active >= ep->allocated) { - ep->allocated *= 2; - ep->fds = (struct pollfd *) - esock_realloc(ep->fds, ep->allocated*sizeof(struct pollfd)); - } - ep->fd_to_poll[fd] = ep->active; - ep->fds[ep->active].fd = fd; - ep->fds[ep->active].events = events; - ep->fds[ep->active].revents = 0; - ep->active++; - } -} - -static int poll_is_set(EsockPoll *ep, FD fd, short mask) -{ - if (fd >= ep->num_fds) { - return 0; - } else { - int i = ep->fd_to_poll[fd]; - return 0 <= i && i < ep->active && ep->fds[i].fd == fd && - (ep->fds[i].revents & mask) != 0; - } -} - -#endif - -void esock_poll_init(EsockPoll *ep) -{ -#ifdef USE_SELECT - /* Nothing to do here */ -#else - ep->allocated = 2; - ep->fds = (struct pollfd *) esock_malloc(ep->allocated*sizeof(struct pollfd)); - ep->num_fds = 1; - ep->fd_to_poll = esock_malloc(ep->num_fds*sizeof(int)); -#endif -} - -void esock_poll_zero(EsockPoll *ep) -{ -#ifdef USE_SELECT - FD_ZERO(&ep->readmask); - FD_ZERO(&ep->writemask); - FD_ZERO(&ep->exceptmask); -#else - int i; - - for (i = 0; i < ep->num_fds; i++) - ep->fd_to_poll[i] = -1; - ep->active = 0; -#endif -} - -void esock_poll_fd_set_read(EsockPoll *ep, FD fd) -{ -#ifdef USE_SELECT - FD_SET(fd, &ep->readmask); -#else - poll_fd_set(ep, fd, POLL_INPUT); -#endif -} - -void esock_poll_fd_set_write(EsockPoll *ep, FD fd) -{ -#ifdef USE_SELECT - FD_SET(fd, &ep->writemask); -#else - poll_fd_set(ep, fd, POLLOUT); -#endif -} - -int esock_poll_fd_isset_read(EsockPoll *ep, FD fd) -{ -#ifdef USE_SELECT - return FD_ISSET(fd, &ep->readmask); -#else - return poll_is_set(ep, fd, (POLL_INPUT|POLLHUP|POLLERR|POLLNVAL)); -#endif -} - -int esock_poll_fd_isset_write(EsockPoll *ep, FD fd) -{ -#ifdef USE_SELECT - return FD_ISSET(fd, &ep->writemask); -#else - return poll_is_set(ep, fd, (POLLOUT|POLLHUP|POLLERR|POLLNVAL)); -#endif -} - -#ifdef __WIN32__ -void esock_poll_fd_set_exception(EsockPoll *ep, FD fd) -{ - FD_SET(fd, &ep->exceptmask); -} - -int esock_poll_fd_isset_exception(EsockPoll *ep, FD fd) -{ - return FD_ISSET(fd, &ep->exceptmask); -} -#endif - -int esock_poll(EsockPoll *ep, int seconds) -{ - int sret; - -#ifdef USE_SELECT - struct timeval tv; - - tv.tv_sec = seconds; - tv.tv_usec = 0; - sret = select(FD_SETSIZE, &ep->readmask, &ep->writemask, &ep->exceptmask, &tv); - if (sret == 0) { - FD_ZERO(&ep->readmask); - FD_ZERO(&ep->writemask); - FD_ZERO(&ep->exceptmask); - } -#else - sret = poll(ep->fds, ep->active, 1000*seconds); -#endif - return sret; -} - -void esock_poll_clear_event(EsockPoll* ep, FD fd) -{ -#ifdef USE_SELECT - FD_CLR(fd, &ep->readmask); - FD_CLR(fd, &ep->writemask); - FD_CLR(fd, &ep->exceptmask); -#else - int i = ep->fd_to_poll[fd]; - if (i > 0 && ep->fds[i].fd == fd) - ep->fds[i].revents = 0; -#endif -} |