void* eng_uevt_thread(void *x)
{
struct pollfd ufd;
int sock = -1;
int nr;
sock = uevent_open_socket(256*1024, true);
if(-1 == sock){
ENG_LOG("%s: socket init failed !\n", __FUNCTION__);
return 0;
}
if(eng_usb_state()) {
g_armlog_enable = 1;
sem_post(&g_armlog_sem);
}
ufd.events = POLLIN;
ufd.fd = sock;
while(1) {
ufd.revents = 0;
nr = poll(&ufd, 1, -1);
if (nr <= 0)
continue;
if (ufd.revents == POLLIN)
handle_device_fd(sock);
}
return 0;
}
int main(void)
{
int fd = 0;
fd = open_uevent_socket();
if (fd < 0) {
printf("error!\n");
return -1;
}
handle_device_fd(fd);
}
int ueventd_main(int argc, char **argv)
{
/*
* init sets the umask to 077 for forked processes. We need to
* create files with exact permissions, without modification by
* the umask.
*/
umask(000);
/* Prevent fire-and-forget children from becoming zombies.
* If we should need to wait() for some children in the future
* (as opposed to none right now), double-forking here instead
* of ignoring SIGCHLD may be the better solution.
*/
signal(SIGCHLD, SIG_IGN);
open_devnull_stdio();
klog_init();
klog_set_level(KLOG_NOTICE_LEVEL);
NOTICE("ueventd started!\n");
selinux_callback cb;
cb.func_log = selinux_klog_callback;
selinux_set_callback(SELINUX_CB_LOG, cb);
std::string hardware = property_get("ro.hardware");
ueventd_parse_config_file("/ueventd.rc");
ueventd_parse_config_file(android::base::StringPrintf("/ueventd.%s.rc", hardware.c_str()).c_str());
device_init();
pollfd ufd;
ufd.events = POLLIN;
ufd.fd = get_device_fd();
while (true) {
ufd.revents = 0;
int nr = poll(&ufd, 1, -1);
if (nr <= 0) {
continue;
}
if (ufd.revents & POLLIN) {
handle_device_fd();
}
}
return 0;
}
int do_devwait(int nargs, char **args) {
int dev_fd, uevent_fd, rc, timeout = DEVWAIT_TIMEOUT;
struct pollfd ufds[1];
uevent_fd = open_uevent_socket();
ufds[0].fd = uevent_fd;
ufds[0].events = POLLIN;
for(;;) {
dev_fd = open(args[1], O_RDONLY);
if (dev_fd < 0) {
if (errno != ENOENT) {
ERROR("%s: open failed with error %d\n", __func__, errno);
rc = -errno;
break;
}
} else {
return 0;
}
ufds[0].revents = 0;
rc = poll(ufds, 1, DEVWAIT_POLL_TIME);
if (rc == 0) {
if (timeout > 0)
timeout -= DEVWAIT_POLL_TIME;
else {
ERROR("%s: timed out waiting on file: %s\n", __func__, args[1]);
rc = -ETIME;
break;
}
continue;
} else if (rc < 0) {
ERROR("%s: poll request failed for file: %s\n", __func__, args[1]);
break;
}
if (ufds[0].revents == POLLIN)
handle_device_fd(uevent_fd);
}
return rc;
}
int ueventd_main(int argc, char **argv)
{
struct pollfd ufd;
int nr;
char tmp[32];
/* Prevent fire-and-forget children from becoming zombies.
* If we should need to wait() for some children in the future
* (as opposed to none right now), double-forking here instead
* of ignoring SIGCHLD may be the better solution.
*/
signal(SIGCHLD, SIG_IGN);
open_devnull_stdio();
klog_init();
INFO("starting ueventd\n");
/* Respect hardware passed in through the kernel cmd line. Here we will look
* for androidboot.hardware param in kernel cmdline, and save its value in
* hardware[]. */
import_kernel_cmdline(0, import_kernel_nv);
get_hardware_name(hardware, &revision);
ueventd_parse_config_file("/ueventd.rc");
snprintf(tmp, sizeof(tmp), "/ueventd.%s.rc", hardware);
ueventd_parse_config_file(tmp);
device_init();
ufd.events = POLLIN;
ufd.fd = get_device_fd();
while(1) {
ufd.revents = 0;
nr = poll(&ufd, 1, -1);
if (nr <= 0)
continue;
if (ufd.revents == POLLIN)
handle_device_fd();
}
}
int ueventd_main(int argc, char **argv)
{
struct pollfd ufd;
int nr;
char tmp[32];
/*
* init sets the umask to 077 for forked processes. We need to
* create files with exact permissions, without modification by
* the umask.
*/
umask(000);
/* Prevent fire-and-forget children from becoming zombies.
* If we should need to wait() for some children in the future
* (as opposed to none right now), double-forking here instead
* of ignoring SIGCHLD may be the better solution.
*/
signal(SIGCHLD, SIG_IGN);
open_devnull_stdio();
klog_init();
INFO("starting ueventd\n");
/* Respect hardware passed in through the kernel cmd line. Here we will look
* for androidboot.hardware param in kernel cmdline, and save its value in
* hardware[]. */
import_kernel_cmdline(0, import_kernel_nv);
get_hardware_name(hardware, &revision);
ueventd_parse_config_file("/ueventd.rc");
snprintf(tmp, sizeof(tmp), "/ueventd.%s.rc", hardware);
ueventd_parse_config_file(tmp);
/* aosp-hybris move original ramdisk files to /android dir, so we
* also need to parse this dirs.
*/
ueventd_parse_config_file("/android/ueventd.rc");
snprintf(tmp, sizeof(tmp), "/android/ueventd.%s.rc", hardware);
ueventd_parse_config_file(tmp);
device_init();
ufd.events = POLLIN;
ufd.fd = get_device_fd();
while(1) {
ufd.revents = 0;
nr = poll(&ufd, 1, -1);
if (nr <= 0)
continue;
if (ufd.revents & POLLERR) {
ERROR("got POLLERR, terminating ueventd\n");
exit(1);
}
if (ufd.revents == POLLIN)
handle_device_fd();
}
}
int ueventd_main(int argc, char **argv)
{
struct pollfd ufd;
int nr;
char tmp[32];
/* kernel will launch a program in user space to load
* modules, by default it is modprobe.
* Kernel doesn't send module parameters, so we don't
* need to support them.
* No deferred loading in this case.
*/
if (!strcmp(basename(argv[0]), "modprobe")) {
if (argc >= 4
&& argv[3] != NULL
&& *argv[3] != '\0') {
uid_t uid;
/* We only accept requests from root user (kernel) */
uid = getuid();
if (uid)
return -EPERM;
return module_probe(argv[3]);
} else {
/* modprobe is called without enough arguments */
return -EINVAL;
}
}
/*
* init sets the umask to 077 for forked processes. We need to
* create files with exact permissions, without modification by
* the umask.
*/
umask(000);
/* Prevent fire-and-forget children from becoming zombies.
* If we should need to wait() for some children in the future
* (as opposed to none right now), double-forking here instead
* of ignoring SIGCHLD may be the better solution.
*/
signal(SIGCHLD, SIG_IGN);
open_devnull_stdio();
klog_init();
INFO("starting ueventd\n");
/* Respect hardware passed in through the kernel cmd line. Here we will look
* for androidboot.hardware param in kernel cmdline, and save its value in
* hardware[]. */
import_kernel_cmdline(0, import_kernel_nv);
get_hardware_name(hardware, &revision);
ueventd_parse_config_file("/ueventd.rc");
snprintf(tmp, sizeof(tmp), "/ueventd.%s.rc", hardware);
ueventd_parse_config_file(tmp);
device_init();
ufd.events = POLLIN;
ufd.fd = get_device_fd();
while(1) {
ufd.revents = 0;
nr = poll(&ufd, 1, -1);
if (nr <= 0)
continue;
if (ufd.revents == POLLIN)
handle_device_fd();
}
}
int ueventd_main(int argc, char **argv)
{
struct pollfd ufd;
int nr;
char tmp[32];
/*
* init sets the umask to 077 for forked processes. We need to
* create files with exact permissions, without modification by
* the umask.
*/
umask(000);
/* Prevent fire-and-forget children from becoming zombies.
* If we should need to wait() for some children in the future
* (as opposed to none right now), double-forking here instead
* of ignoring SIGCHLD may be the better solution.
*/
signal(SIGCHLD, SIG_IGN);
open_devnull_stdio();
klog_init();
#if LOG_UEVENTS
/* Ensure we're at a logging level that will show the events */
if (klog_get_level() < KLOG_INFO_LEVEL) {
klog_set_level(KLOG_INFO_LEVEL);
}
#endif
union selinux_callback cb;
cb.func_log = log_callback;
selinux_set_callback(SELINUX_CB_LOG, cb);
INFO("starting ueventd\n");
/* Respect hardware passed in through the kernel cmd line. Here we will look
* for androidboot.hardware param in kernel cmdline, and save its value in
* hardware[]. */
import_kernel_cmdline(0, import_kernel_nv);
get_hardware_name(hardware, &revision);
ueventd_parse_config_file("/ueventd.rc");
snprintf(tmp, sizeof(tmp), "/ueventd.%s.rc", hardware);
ueventd_parse_config_file(tmp);
device_init();
ufd.events = POLLIN;
ufd.fd = get_device_fd();
while(1) {
ufd.revents = 0;
nr = poll(&ufd, 1, -1);
if (nr <= 0)
continue;
if (ufd.revents & POLLIN)
handle_device_fd();
}
}