summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--usr.bin/cpuset/cpuset.18
-rw-r--r--usr.bin/cpuset/cpuset.c4
2 files changed, 8 insertions, 4 deletions
diff --git a/usr.bin/cpuset/cpuset.1 b/usr.bin/cpuset/cpuset.1
index 00f9e81..b97234a 100644
--- a/usr.bin/cpuset/cpuset.1
+++ b/usr.bin/cpuset/cpuset.1
@@ -89,8 +89,12 @@ queried using
When running a command it may join a set specified with
.Fl s
otherwise a new set is created.
-In addition, a mask for the set may be specified using
+In addition, a mask for the command may be specified using
.Fl l .
+When used in conjunction with
+.Fl c
+the mask modifies the supplied or created set rather than the private mask
+for the thread.
.Pp
The options are as follows:
.Bl -tag -width ".Fl l Ar cpu-list"
@@ -127,7 +131,7 @@ Specifies a thread id as the target of the operation.
Create a new group with CPUs 0-4 inclusive and run
.Pa /bin/sh
on it:
-.Dl cpuset -l 0-4 /bin/sh
+.Dl cpuset -c -l 0-4 /bin/sh
.Pp
Query the mask of CPUs the
.Aq sh pid
diff --git a/usr.bin/cpuset/cpuset.c b/usr.bin/cpuset/cpuset.c
index 41a715d..c31ebb7 100644
--- a/usr.bin/cpuset/cpuset.c
+++ b/usr.bin/cpuset/cpuset.c
@@ -257,7 +257,7 @@ main(int argc, char *argv[])
* The user wants to run a command with a set and possibly cpumask.
*/
if (argc) {
- if (pflag | rflag | tflag || cflag)
+ if (pflag | rflag | tflag)
usage();
if (sflag) {
if (cpuset_setid(CPU_WHICH_PID, -1, setid))
@@ -267,7 +267,7 @@ main(int argc, char *argv[])
err(argc, "newid");
}
if (lflag) {
- if (cpuset_setaffinity(CPU_LEVEL_CPUSET, CPU_WHICH_PID,
+ if (cpuset_setaffinity(level, CPU_WHICH_PID,
-1, sizeof(mask), &mask) != 0)
err(EXIT_FAILURE, "setaffinity");
}
OpenPOWER on IntegriCloud