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author | mjg <mjg@FreeBSD.org> | 2014-03-31 02:53:15 +0000 |
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committer | mjg <mjg@FreeBSD.org> | 2014-03-31 02:53:15 +0000 |
commit | b357774f50743f92e6f3a63766ab5243e3a56265 (patch) | |
tree | ad82516cd72643b2a6a18e440e03f61e6ea7d0e6 | |
parent | e7b96c1d34456762279db22270b51e022347b212 (diff) | |
download | FreeBSD-src-b357774f50743f92e6f3a63766ab5243e3a56265.zip FreeBSD-src-b357774f50743f92e6f3a63766ab5243e3a56265.tar.gz |
MFC r263758:
Update userspace users of hw.bus.devctl_disable.
This switches the code to use hw.bus.devctl_queue instead.
-rwxr-xr-x | etc/rc.d/devd | 5 | ||||
-rw-r--r-- | sbin/devd/devd.cc | 8 | ||||
-rw-r--r-- | share/man/man4/devctl.4 | 8 |
3 files changed, 11 insertions, 10 deletions
diff --git a/etc/rc.d/devd b/etc/rc.d/devd index 5976979..c7288e4 100755 --- a/etc/rc.d/devd +++ b/etc/rc.d/devd @@ -30,9 +30,10 @@ devd_prestart() { find_pidfile - # If devd is disabled, turn it off in the kernel to avoid memory leaks. + # If devd is disabled, turn it off in the kernel to avoid unnecessary + # memory usage. if ! checkyesno ${rcvar}; then - $SYSCTL hw.bus.devctl_disable=1 + $SYSCTL hw.bus.devctl_queue=0 fi } diff --git a/sbin/devd/devd.cc b/sbin/devd/devd.cc index ead3866..0d8162c 100644 --- a/sbin/devd/devd.cc +++ b/sbin/devd/devd.cc @@ -102,7 +102,7 @@ __FBSDID("$FreeBSD$"); #define PIPE "/var/run/devd.pipe" #define CF "/etc/devd.conf" -#define SYSCTL "hw.bus.devctl_disable" +#define SYSCTL "hw.bus.devctl_queue" /* * Since the client socket is nonblocking, we must increase its send buffer to @@ -1164,9 +1164,9 @@ check_devd_enabled() len = sizeof(val); if (sysctlbyname(SYSCTL, &val, &len, NULL, 0) != 0) errx(1, "devctl sysctl missing from kernel!"); - if (val) { - warnx("Setting " SYSCTL " to 0"); - val = 0; + if (val == 0) { + warnx("Setting " SYSCTL " to 1000"); + val = 1000; sysctlbyname(SYSCTL, NULL, NULL, &val, sizeof(val)); } } diff --git a/share/man/man4/devctl.4 b/share/man/man4/devctl.4 index 50afee7..b86cf23 100644 --- a/share/man/man4/devctl.4 +++ b/share/man/man4/devctl.4 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 11, 2003 +.Dd March 26, 2014 .Dt DEVCTL 4 .Os .Sh NAME @@ -73,9 +73,9 @@ If you try to read this device a character at a time, you will lose the rest of the data. Listening programs are expected to cope. .Pp -The sysctl and boot parameter -.Va hw.bus.devctl_disable -is used to disable +The sysctl +.Va hw.bus.devctl_queue +can be used to control queue length. It is set to 0 to disable .Nm when no .Xr devd 8 |