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-rw-r--r--usr.bin/top/machine.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/usr.bin/top/machine.c b/usr.bin/top/machine.c
index 7db6fa8..6981727 100644
--- a/usr.bin/top/machine.c
+++ b/usr.bin/top/machine.c
@@ -413,6 +413,8 @@ get_system_info(struct system_info *si)
}
}
+#define NOPROC ((void *)-1)
+
const struct kinfo_proc *
get_old_proc(struct kinfo_proc *pp)
{
@@ -420,13 +422,22 @@ get_old_proc(struct kinfo_proc *pp)
if (previous_proc_count == 0)
return (NULL);
+ if (pp->ki_udata == NOPROC)
+ return (NULL);
+ if (pp->ki_udata != NULL)
+ return (pp->ki_udata);
oldpp = bsearch(&pp, previous_pref, previous_proc_count,
sizeof(*previous_pref), compare_pid);
- if (oldpp == NULL)
+ if (oldpp == NULL) {
+ pp->ki_udata = NOPROC;
return (NULL);
+ }
oldp = *oldpp;
- if (bcmp(&oldp->ki_start, &pp->ki_start, sizeof(pp->ki_start)) != 0)
+ if (bcmp(&oldp->ki_start, &pp->ki_start, sizeof(pp->ki_start)) != 0) {
+ pp->ki_udata = NOPROC;
return (NULL);
+ }
+ pp->ki_udata = oldp;
return (oldp);
}
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