Hi, all
I upload the glib-2.0 library from 2.38.2 to 2.44.1, then the cpu usage to
100%.
After testing , I find the problem is caused by g_io_add_watch function.
Following is the part code about the glib.
struct sockaddr_can addr;
struct ifreq ifr;
int loopback = 0;
gint fd;
GIOChannel *io;
guint ev_id;
if (getenv("CANLOOPBACK"))
loopback = 1;
memset(&addr, 0, sizeof(addr));
memset(&ifr, 0, sizeof(ifr));
fd = socket(PF_CAN, SOCK_RAW, CAN_RAW)
addr.can_family = AF_CAN;
strcpy(ifr.ifr_name,"can0");
ioctl(fd, SIOCGIFINDEX, &ifr
addr.can_ifindex = ifr.ifr_ifindex;
setsockopt(dcan->fd, SOL_CAN_RAW, CAN_RAW_LOOPBACK, &loopback,
sizeof(loopback));
bind(dcan->fd, (struct sockaddr *) &addr, sizeof(addr))
io = g_io_channel_unix_new(fd);
g_assert(io);
g_io_channel_set_encoding(io, NULL, NULL);
g_io_channel_set_buffered(io, FALSE);
ev_id = g_io_add_watch(io, G_IO_IN, NULL, NULL); / ev_id =
g_io_add_watch(io, G_IO_IN, my_function, NULL);
If any people know how to solve the problem, or any information may lead to
this problem, please tell me . Thanks very much
Neil
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