Use procstat_getrlimit(3) for retrieving rlimit information instead of

direct sysctl calls.

MFC after:	1 month

3 files changed, 5 insertions, 18 deletions

diff --git a/usr.bin/procstat/procstat.c b/usr.bin/procstat/procstat.c
index 1e45a3b..86451b3 100644
--- a/usr.bin/procstat/procstat.c
+++ b/usr.bin/procstat/procstat.c
@@ -73,7 +73,7 @@ procstat(struct procstat *prstat, struct kinfo_proc *kipp)
 	else if (kflag)
 		procstat_kstack(kipp, kflag);
 	else if (lflag)
-		procstat_rlimit(kipp);
+		procstat_rlimit(prstat, kipp);
 	else if (sflag)
 		procstat_cred(prstat, kipp);
 	else if (tflag)
diff --git a/usr.bin/procstat/procstat.h b/usr.bin/procstat/procstat.h
index eae3566..d825e78 100644
--- a/usr.bin/procstat/procstat.h
+++ b/usr.bin/procstat/procstat.h
@@ -42,7 +42,7 @@ void	procstat_cred(struct procstat *prstat, struct kinfo_proc *kipp);
 void	procstat_env(struct kinfo_proc *kipp);
 void	procstat_files(struct procstat *prstat, struct kinfo_proc *kipp);
 void	procstat_kstack(struct kinfo_proc *kipp, int kflag);
-void	procstat_rlimit(struct kinfo_proc *kipp);
+void	procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp);
 void	procstat_sigs(struct procstat *prstat, struct kinfo_proc *kipp);
 void	procstat_threads(struct procstat *prstat, struct kinfo_proc *kipp);
 void	procstat_threads_sigs(struct procstat *prstat, struct kinfo_proc *kipp);
diff --git a/usr.bin/procstat/procstat_rlimit.c b/usr.bin/procstat/procstat_rlimit.c
index 68230e5..f3ed5fc 100644
--- a/usr.bin/procstat/procstat_rlimit.c
+++ b/usr.bin/procstat/procstat_rlimit.c
@@ -86,31 +86,18 @@ humanize_rlimit(int indx, rlim_t limit)
 }
 
 void
-procstat_rlimit(struct kinfo_proc *kipp)
+procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp)
 {
 	struct rlimit rlimit;
-	int error, i, name[5];
-	size_t len;
+	int i;
 
 	if (!hflag) {
 		printf("%5s %-16s %-16s %16s %16s\n",
 		    "PID", "COMM", "RLIMIT", "SOFT     ", "HARD     ");
 	}
-	len = sizeof(struct rlimit);
-	name[0] = CTL_KERN;
-	name[1] = KERN_PROC;
-	name[2] = KERN_PROC_RLIMIT;
-	name[3] = kipp->ki_pid;
 	for (i = 0; i < RLIM_NLIMITS; i++) {
-		name[4] = i;
-		error = sysctl(name, 5, &rlimit, &len, NULL, 0);
-		if (error < 0 && errno != ESRCH) {
-			warn("sysctl: kern.proc.rlimit: %d", kipp->ki_pid);
+		if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1)
 			return;
-		}
-		if (error < 0 || len != sizeof(struct rlimit))
-			return;
-
 		printf("%5d %-16s %-16s ", kipp->ki_pid, kipp->ki_comm,
 		    rlimit_param[i].name);
 		printf("%16s ", humanize_rlimit(i, rlimit.rlim_cur));