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[PATCH] udevd: add possible initialization of expected_seqnum

UDEVD_EXPECTED_SEQNUM=$[`cat /sys/kernel/hotplug_seqnum` + 1] ./udevd -d
will init udevd, so the next event will not wait for any timeout.
This commit is contained in:
kay.sievers@vrfy.org 2005-01-16 05:53:29 +01:00 committed by Greg KH
parent ce043f851d
commit 1e26698933

10
udevd.c
View File

@ -501,6 +501,7 @@ int main(int argc, char *argv[], char *envp[])
int fd;
struct sigaction act;
fd_set readfds;
const char *udevd_expected_seqnum;
logging_init("udevd");
dbg("version %s", UDEV_VERSION);
@ -596,7 +597,14 @@ int main(int argc, char *argv[], char *envp[])
else
udev_bin = UDEV_BIN;
/* handle special startup timeout*/
/* possible set of expected_seqnum number */
udevd_expected_seqnum = getenv("UDEVD_EXPECTED_SEQNUM");
if (udevd_expected_seqnum != NULL) {
expected_seqnum = strtoull(udevd_expected_seqnum, NULL, 10);
dbg("initialize expected_seqnum to %llu", expected_seqnum);
}
/* get current time to provide shorter startup timeout */
sysinfo(&info);
startup_time = info.uptime;