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Huge (k)FreeBSD update. (k)FreeBSD support is freebsd/ Other BSD are in

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2007-02-18  Benoît Dejean  <benoit@placenet.org>

	* configure.in:
	* libgtop-sysdeps.m4:
	* sysdeps/Makefile.am:
	
	Huge (k)FreeBSD update.
	(k)FreeBSD support is freebsd/
	Other BSD are in bsd/
	
	Patch by Joe Marcus Clarke  <marcus@freebsd.org>
	Alexander Nedotsukov  <bland@FreeBSD.org>
	
	Closes #407693.

svn path=/trunk/; revision=2557
This commit is contained in:
Benoît Dejean
2007-02-18 01:10:53 +00:00
committed by Benoît Dejean
parent 747438e334
commit 5a15e409cf
69 changed files with 5820 additions and 1967 deletions
Download Patch File Download Diff File Expand all files Collapse all files

105
sysdeps/freebsd/shm_limits.c
View File

@@ -26,91 +26,72 @@
#include <glibtop/error.h>
#include <glibtop/shm_limits.h>
#include <glibtop_suid.h>
#if defined(__bsdi__) && (_BSDI_VERSION < 199700)
/* Older versions of BSDI don't seem to have this. */
void
glibtop_init_shm_limits_p (glibtop *server)
{ }
void
glibtop_get_shm_limits_p (glibtop *server, glibtop_shm_limits *buf)
{
glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_SHM_LIMITS), 0);
memset (buf, 0, sizeof (glibtop_shm_limits));
}
#else
/* #define KERNEL to get declaration of `struct shminfo'. */
#if (defined(__FreeBSD__) && (__FreeBSD_version < 410000)) || defined(__bsdi__)
#define KERNEL 1
#else
#define _KERNEL 1
#endif
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/types.h>
#include <sys/sysctl.h>
static unsigned long _glibtop_sysdeps_shm_limits =
(1L << GLIBTOP_IPC_SHMMAX) + (1L << GLIBTOP_IPC_SHMMIN) +
(1L << GLIBTOP_IPC_SHMMNI) + (1L << GLIBTOP_IPC_SHMSEG) +
(1L << GLIBTOP_IPC_SHMALL);
/* The values in this structure never change at runtime, so we only
* read it once during initialization. We have to use the name `_shminfo'
* since `shminfo' is already declared external in <sys/shm.h>. */
static struct shminfo _shminfo;
/* nlist structure for kernel access */
static struct nlist nlst [] = {
{ "_shminfo" },
{ 0 }
};
/* Init function. */
void
glibtop_init_shm_limits_p (glibtop *server)
glibtop_init_shm_limits_s (glibtop *server)
{
if (kvm_nlist (server->machine.kd, nlst) < 0) {
glibtop_warn_io_r (server, "kvm_nlist (shm_limits)");
return;
}
if (kvm_read (server->machine.kd, nlst [0].n_value,
&_shminfo, sizeof (_shminfo)) != sizeof (_shminfo)) {
glibtop_warn_io_r (server, "kvm_read (shminfo)");
return;
}
server->sysdeps.shm_limits = _glibtop_sysdeps_shm_limits;
}
/* Provides information about sysv ipc limits. */
void
glibtop_get_shm_limits_p (glibtop *server, glibtop_shm_limits *buf)
glibtop_get_shm_limits_s (glibtop *server, glibtop_shm_limits *buf)
{
glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_SHM_LIMITS), 0);
size_t len;
int shmmax, shmmin, shmmni, shmseg, shmall;
glibtop_init_s (&server, GLIBTOP_SYSDEPS_SHM_LIMITS, 0);
memset (buf, 0, sizeof (glibtop_shm_limits));
if (server->sysdeps.shm_limits == 0)
return;
buf->shmmax = _shminfo.shmmax;
buf->shmmin = _shminfo.shmmin;
buf->shmmni = _shminfo.shmmni;
buf->shmseg = _shminfo.shmseg;
buf->shmall = _shminfo.shmall;
len = sizeof (shmmax);
if (sysctlbyname ("kern.ipc.shmmax", &shmmax, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.shmmax)");
return;
}
len = sizeof (shmmin);
if (sysctlbyname ("kern.ipc.shmmin", &shmmin, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.shmmin)");
return;
}
len = sizeof (shmmni);
if (sysctlbyname ("kern.ipc.shmmni", &shmmni, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.shmmni)");
return;
}
len = sizeof (shmseg);
if (sysctlbyname ("kern.ipc.shmseg", &shmseg, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.shmseg)");
return;
}
len = sizeof (shmall);
if (sysctlbyname ("kern.ipc.shmall", &shmall, &len, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (kern.ipc.shmall)");
return;
}
buf->shmmax = shmmax;
buf->shmmin = shmmin;
buf->shmmni = shmmni;
buf->shmseg = shmseg;
buf->shmall = shmall;
buf->flags = _glibtop_sysdeps_shm_limits;
}
#endif /* either a newer BSDI or no BSDI at all. */