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Some OpenBSD cleaning:

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- decrease stack usage when retrieving memory stats
- use consistent warnings when failing sysctl(3) calls

https://bugzilla.gnome.org/show_bug.cgi?id=654344
This commit is contained in:
Jasper Lievisse Adriaanse
2011-07-10 17:23:39 +02:00
parent 0de702b142
commit 32833323d9
3 changed files with 20 additions and 24 deletions
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6
sysdeps/openbsd/cpu.c
View File

@@ -1,4 +1,4 @@
/* $OpenBSD: cpu.c,v 1.6 2011/05/31 14:19:18 jasper Exp $ */
/* $OpenBSD: cpu.c,v 1.7 2011/07/10 15:23:01 jasper Exp $ */
/* Copyright (C) 1998 Joshua Sled
This file is part of LibGTop 1.0.
@@ -70,14 +70,14 @@ glibtop_get_cpu_p (glibtop *server, glibtop_cpu *buf)
length = sizeof (cpts);
if (sysctl (mib2, mib_length, cpts, &length, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl");
glibtop_warn_io_r (server, "sysctl (kern.cptime)");
return;
}
/* Get the clockrate data */
length = sizeof (struct clockinfo);
if (sysctl (mib, mib_length, &ci, &length, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl");
glibtop_warn_io_r (server, "sysctl (kern.clockrate)");
return;
}

34
sysdeps/openbsd/mem.c
View File

@@ -1,4 +1,4 @@
/* $OpenBSD: mem.c,v 1.10 2011/07/10 14:42:39 jasper Exp $ */
/* $OpenBSD: mem.c,v 1.11 2011/07/10 15:23:01 jasper Exp $ */
/* Copyright (C) 1998 Joshua Sled
This file is part of LibGTop 1.0.
@@ -35,12 +35,10 @@
#include <uvm/uvm_param.h>
static const unsigned long _glibtop_sysdeps_mem =
(1L << GLIBTOP_MEM_TOTAL) + (1L << GLIBTOP_MEM_USED) +
(1L << GLIBTOP_MEM_FREE) +
(1L << GLIBTOP_MEM_SHARED) +
(1L << GLIBTOP_MEM_BUFFER) +
(1L << GLIBTOP_MEM_CACHED) +
(1L << GLIBTOP_MEM_USER) + (1L << GLIBTOP_MEM_LOCKED);
(1L << GLIBTOP_MEM_TOTAL) + (1L << GLIBTOP_MEM_USED) +
(1L << GLIBTOP_MEM_FREE) + (1L << GLIBTOP_MEM_SHARED) +
(1L << GLIBTOP_MEM_BUFFER) + (1L << GLIBTOP_MEM_CACHED) +
(1L << GLIBTOP_MEM_USER) + (1L << GLIBTOP_MEM_LOCKED);
#ifndef LOG1024
#define LOG1024 10
@@ -93,14 +91,12 @@ void
glibtop_get_mem_p (glibtop *server, glibtop_mem *buf)
{
struct vmtotal vmt;
size_t length_vmt;
struct uvmexp uvmexp;
size_t length_uvmexp;
struct bcachestats bcstats;
size_t length_bcstats;
u_int v_used_count;
u_int v_total_count;
u_int v_free_count;
size_t length;
glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_MEM), 0);
@@ -110,24 +106,24 @@ glibtop_get_mem_p (glibtop *server, glibtop_mem *buf)
return;
/* Get the data from sysctl */
length_vmt = sizeof (vmt);
if (sysctl (vmmeter_mib, 2, &vmt, &length_vmt, NULL, 0)) {
length = sizeof (vmt);
if (sysctl (vmmeter_mib, 2, &vmt, &length, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (vm.vmmeter)");
bzero(&vmt, sizeof(length_vmt));
bzero(&vmt, sizeof(length));
return;
}
length_uvmexp = sizeof (uvmexp);
if (sysctl (uvmexp_mib, 2, &uvmexp, &length_uvmexp, NULL, 0)) {
length = sizeof (uvmexp);
if (sysctl (uvmexp_mib, 2, &uvmexp, &length, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (vm.uvmexp)");
bzero(&uvmexp, sizeof(length_uvmexp));
bzero(&uvmexp, sizeof(length));
return;
}
length_bcstats = sizeof (bcstats);
if (sysctl (bcstats_mib, 3, &bcstats, &length_bcstats, NULL, 0)) {
length = sizeof (bcstats);
if (sysctl (bcstats_mib, 3, &bcstats, &length, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (vfs.generic.bcstats)");
bzero(&bcstats, sizeof(length_bcstats));
bzero(&bcstats, sizeof(length));
return;
}

4
sysdeps/openbsd/swap.c
View File

@@ -1,4 +1,4 @@
/* $OpenBSD: swap.c,v 1.6 2011/05/25 10:44:34 jasper Exp $ */
/* $OpenBSD: swap.c,v 1.7 2011/07/10 15:23:01 jasper Exp $ */
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
@@ -79,7 +79,7 @@ glibtop_get_swap_p (glibtop *server, glibtop_swap *buf)
length_uvmexp = sizeof (uvmexp);
if (sysctl (mib_uvmexp, 2, &uvmexp, &length_uvmexp, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (uvmexp)");
glibtop_warn_io_r (server, "sysctl (vm.uvmexp)");
return;
}