}
static void help(void) {
- printf("Usage: udevadm monitor [--property] [--kernel] [--udev] [--help]\n"
- " -p,--property print the event properties\n"
- " -k,--kernel print kernel uevents\n"
- " -u,--udev print udev events\n"
- " -s,--subsystem-match=SUBSYSTEM[/DEVTYPE] filter events by subsystem\n"
- " -t,--tag-match=TAG filter events by tag\n"
- " -h,--help\n\n");
+ printf("%s monitor [--property] [--kernel] [--udev] [--help]\n\n"
+ "Listen to kernel and udev events.\n\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " -p --property Print the event properties\n"
+ " -k --kernel Print kernel uevents\n"
+ " -u --udev Print udev events\n"
+ " -s --subsystem-match=SUBSYSTEM[/DEVTYPE] Filter events by subsystem\n"
+ " -t --tag-match=TAG Filter events by tag\n"
+ , program_invocation_short_name);
}
static int adm_monitor(struct udev *udev, int argc, char *argv[]) {
fd_ep = epoll_create1(EPOLL_CLOEXEC);
if (fd_ep < 0) {
- log_error("error creating epoll fd: %m");
+ log_error_errno(errno, "error creating epoll fd: %m");
return 1;
}
ep_udev.events = EPOLLIN;
ep_udev.data.fd = fd_udev;
if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) {
- log_error("fail to add fd to epoll: %m");
+ log_error_errno(errno, "fail to add fd to epoll: %m");
return 2;
}
ep_kernel.events = EPOLLIN;
ep_kernel.data.fd = fd_kernel;
if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_kernel, &ep_kernel) < 0) {
- log_error("fail to add fd to epoll: %m");
+ log_error_errno(errno, "fail to add fd to epoll: %m");
return 5;
}
const struct udevadm_cmd udevadm_monitor = {
.name = "monitor",
.cmd = adm_monitor,
- .help = "listen to kernel and udev events",
+ .help = "Listen to kernel and udev events",
};