diff options
| -rw-r--r-- | udev/udevadm-settle.c | 23 | ||||
| -rw-r--r-- | udev/udevadm.xml | 6 |
2 files changed, 24 insertions, 5 deletions
diff --git a/udev/udevadm-settle.c b/udev/udevadm-settle.c index 9059adc341..0b3f2e2124 100644 --- a/udev/udevadm-settle.c +++ b/udev/udevadm-settle.c @@ -54,6 +54,7 @@ int udevadm_settle(struct udev *udev, int argc, char *argv[]) { "seq-start", required_argument, NULL, 's' }, { "seq-end", required_argument, NULL, 'e' }, { "timeout", required_argument, NULL, 't' }, + { "exit-if-exists", required_argument, NULL, 'E' }, { "quiet", no_argument, NULL, 'q' }, { "help", no_argument, NULL, 'h' }, {} @@ -61,6 +62,7 @@ int udevadm_settle(struct udev *udev, int argc, char *argv[]) unsigned long long start = 0; unsigned long long end = 0; int quiet = 0; + const char *exists = NULL; int timeout = DEFAULT_TIMEOUT; struct sigaction act; struct udev_queue *udev_queue = NULL; @@ -80,7 +82,7 @@ int udevadm_settle(struct udev *udev, int argc, char *argv[]) int option; int seconds; - option = getopt_long(argc, argv, "s:e:t:qh", options, NULL); + option = getopt_long(argc, argv, "s:e:t:E:qh", options, NULL); if (option == -1) break; @@ -102,12 +104,16 @@ int udevadm_settle(struct udev *udev, int argc, char *argv[]) case 'q': quiet = 1; break; + case 'E': + exists = optarg; + break; case 'h': printf("Usage: udevadm settle OPTIONS\n" - " --timeout=<seconds> maximum time to wait for events\n" - " --seq-start=<seqnum> first seqnum to wait for\n" - " --seq-end=<seqnum> last seqnum to wait for\n" - " --quiet do not print list after timeout\n" + " --timeout=<seconds> maximum time to wait for events\n" + " --seq-start=<seqnum> first seqnum to wait for\n" + " --seq-end=<seqnum> last seqnum to wait for\n" + " --exit-if-exists=<file> stop waiting if file exists\n" + " --quiet do not print list after timeout\n" " --help\n\n"); exit(0); } @@ -173,6 +179,13 @@ int udevadm_settle(struct udev *udev, int argc, char *argv[]) } while (1) { + struct stat statbuf; + + if (exists != NULL && stat(exists, &statbuf) == 0) { + rc = 0; + break; + } + if (start > 0) { /* if asked for, wait for a specific sequence of events */ if (udev_queue_get_seqnum_sequence_is_finished(udev_queue, start, end) == 1) { diff --git a/udev/udevadm.xml b/udev/udevadm.xml index 5996c01383..538180babe 100644 --- a/udev/udevadm.xml +++ b/udev/udevadm.xml @@ -237,6 +237,12 @@ </listitem> </varlistentry> <varlistentry> + <term><option>--exit-if-exists=<replaceable>file</replaceable></option></term> + <listitem> + <para>Stop waiting if file exists.</para> + </listitem> + </varlistentry> + <varlistentry> <term><option>--quiet</option></term> <listitem> <para>Do not print any output, like the remaining queue entries when reaching the timeout.</para> |