implemented.

* msg-limits.c: implemented.
This commit is contained in:
Drazen Kacar
1999-04-29 23:54:23 +00:00
parent 1c634bd736
commit 8e1c6601af

View File

@@ -24,14 +24,27 @@
#include <glibtop.h>
#include <glibtop/msg_limits.h>
static const unsigned long _glibtop_sysdeps_msg_limits = 0;
#include <kvm.h>
#include <sys/msg.h>
static struct nlist nlst[] = { {"msginfo"}, {NULL} };
static const unsigned long _glibtop_sysdeps_msg_limits =
(1L << GLIBTOP_IPC_MSGPOOL) + (1L << GLIBTOP_IPC_MSGMAP) +
(1L << GLIBTOP_IPC_MSGMAX) + (1L << GLIBTOP_IPC_MSGMNB) +
(1L << GLIBTOP_IPC_MSGMNI) + (1L << GLIBTOP_IPC_MSGSSZ) +
(1L << GLIBTOP_IPC_MSGTQL);
/* Init function. */
void
glibtop_init_msg_limits_s (glibtop *server)
{
kvm_t *kd = server->machine.kd;
if(kd && !kvm_nlist(kd, nlst))
server->sysdeps.msg_limits = _glibtop_sysdeps_msg_limits;
else
server->sysdeps.msg_limits = 0;
}
/* Provides information about sysv ipc limits. */
@@ -39,5 +52,23 @@ glibtop_init_msg_limits_s (glibtop *server)
void
glibtop_get_msg_limits_s (glibtop *server, glibtop_msg_limits *buf)
{
kvm_t *kd = server->machine.kd;
struct msginfo minfo;
memset (buf, 0, sizeof (glibtop_msg_limits));
if(!(server->sysdeps.msg_limits))
return;
if(kvm_read(kd, nlst[0].n_value, (void *)&minfo,
sizeof(struct msginfo)) != sizeof(struct msginfo))
return;
buf->msgmap = minfo.msgmap;
buf->msgmax = minfo.msgmax;
buf->msgmnb = minfo.msgmnb;
buf->msgmni = minfo.msgmni;
buf->msgssz = minfo.msgssz;
buf->msgtql = minfo.msgtql;
buf->msgpool = minfo.msgmni * minfo.msgmnb >> 10;
buf->flags = _glibtop_sysdeps_msg_limits;
}