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Make similar (untested) changes to the OS-dependent code for FreeBSD, and

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NetBSD in accordance to OpenBSD patchset 214.
This commit is contained in:
Tiago Cunha
2009-08-09 16:37:05 +00:00
parent 1127a290f4
commit c9f55c1063
2 changed files with 90 additions and 85 deletions
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83
osdep-netbsd.c
View File

@ -1,4 +1,4 @@
/* $Id: osdep-netbsd.c,v 1.6 2009-07-28 22:28:11 tcunha Exp $ */
/* $Id: osdep-netbsd.c,v 1.7 2009-08-09 16:37:05 tcunha Exp $ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
@ -31,7 +31,36 @@
#define is_stopped(p) \
((p)->p_stat == SSTOP || (p)->p_stat == SZOMB)
char *osdep_get_name(int, char *);
struct kinfo_proc2 *cmp_procs(struct kinfo_proc2 *, struct kinfo_proc2 *);
char *osdep_get_name(int, char *);
struct kinfo_proc2 *
cmp_procs(struct kinfo_proc2 *p1, struct kinfo_proc2 *p2)
{
if (is_runnable(p1) && !is_runnable(p2))
return (p1);
if (!is_runnable(p1) && is_runnable(p2))
return (p2);
if (is_stopped(p1) && !is_stopped(p2))
return (p1);
if (!is_stopped(p1) && is_stopped(p2))
return (p2);
if (p1->p_estcpu > p2->p_estcpu)
return (p1);
if (p1->p_estcpu < p2->p_estcpu)
return (p2);
if (p1->p_slptime < p2->p_slptime)
return (p1);
if (p1->p_slptime > p2->p_slptime)
return (p2);
if (p1->p_pid > p2->p_pid)
return (p1);
return (p2);
}
char *
osdep_get_name(int fd, __unused char *tty)
@ -59,18 +88,15 @@ retry:
if (sysctl(mib, __arraycount(mib), NULL, &len, NULL, 0) == -1)
return (NULL);
if ((newbuf = realloc(buf, len * sizeof (*buf))) == NULL) {
free(buf);
return (NULL);
}
if ((newbuf = realloc(buf, len * sizeof (*buf))) == NULL)
goto error;
buf = newbuf;
mib[5] = len / sizeof(*buf);
if (sysctl(mib, __arraycount(mib), buf, &len, NULL, 0) == -1) {
if (errno == ENOMEM)
goto retry; /* possible infinite loop? */
free(buf);
return (NULL);
goto error;
}
bestp = NULL;
@ -78,43 +104,20 @@ retry:
if (buf[i].p_tdev != sb.st_rdev)
continue;
p = &buf[i];
if (bestp == NULL) {
bestp = p;
continue;
}
if (is_runnable(p) && !is_runnable(bestp)) {
bestp = p;
continue;
} else if (!is_runnable(p) && is_runnable(bestp))
continue;
if (!is_stopped(p) && is_stopped(bestp)) {
bestp = p;
continue;
} else if (is_stopped(p) && !is_stopped(bestp))
continue;
if (p->p_estcpu > bestp->p_estcpu) {
bestp = p;
continue;
} else if (p->p_estcpu < bestp->p_estcpu)
continue;
if (p->p_slptime < bestp->p_slptime) {
bestp = p;
continue;
} else if (p->p_slptime > bestp->p_slptime)
continue;
if (p->p_pid > bestp->p_pid)
bestp = p;
if (bestp == NULL)
bestp = &buf[i];
else
bestp = cmp_procs(&buf[i], bestp);
}
name = NULL;
if (bestp != NULL)
name = strdup(bestp->p_comm);
free(buf);
return (name);
error:
free(buf);
return (NULL);
}