diff options
Diffstat (limited to 'src/udev/udevadm-monitor.c')
| -rw-r--r-- | src/udev/udevadm-monitor.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/src/udev/udevadm-monitor.c b/src/udev/udevadm-monitor.c index e776fb99dc..15ded09339 100644 --- a/src/udev/udevadm-monitor.c +++ b/src/udev/udevadm-monitor.c @@ -64,13 +64,16 @@ static void print_device(struct udev_device *device, const char *source, int pro } 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[]) { @@ -155,7 +158,7 @@ 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; } @@ -195,7 +198,7 @@ static int adm_monitor(struct udev *udev, int argc, char *argv[]) { 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; } @@ -229,7 +232,7 @@ static int adm_monitor(struct udev *udev, int argc, char *argv[]) { 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; } @@ -276,5 +279,5 @@ static int adm_monitor(struct udev *udev, int argc, char *argv[]) { 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", }; |