diff options
Diffstat (limited to 'uevent/uevent.c')
-rw-r--r-- | uevent/uevent.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/uevent/uevent.c b/uevent/uevent.c deleted file mode 100644 index d1d4b8e..0000000 --- a/uevent/uevent.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <hardware_legacy/uevent.h> - -#include <string.h> -#include <unistd.h> -#include <poll.h> - -#include <sys/socket.h> -#include <sys/un.h> -#include <linux/netlink.h> - - -static int fd = -1; - -/* Returns 0 on failure, 1 on success */ -int uevent_init() -{ - struct sockaddr_nl addr; - int sz = 64*1024; - int s; - - memset(&addr, 0, sizeof(addr)); - addr.nl_family = AF_NETLINK; - addr.nl_pid = getpid(); - addr.nl_groups = 0xffffffff; - - s = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_KOBJECT_UEVENT); - if(s < 0) - return 0; - - setsockopt(s, SOL_SOCKET, SO_RCVBUFFORCE, &sz, sizeof(sz)); - - if(bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) { - close(s); - return 0; - } - - fd = s; - return (fd > 0); -} - -int uevent_next_event(char* buffer, int buffer_length) -{ - while (1) { - struct pollfd fds; - int nr; - - fds.fd = fd; - fds.events = POLLIN; - fds.revents = 0; - nr = poll(&fds, 1, -1); - - if(nr > 0 && fds.revents == POLLIN) { - int count = recv(fd, buffer, buffer_length, 0); - if (count > 0) { - return count; - } - } - } - - // won't get here - return 0; -} |