134 lines
3.1 KiB
C
134 lines
3.1 KiB
C
/* $OpenBSD: procstate.c,v 1.3 2011/05/23 19:35:55 jasper Exp $ */
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/* Copyright (C) 1998 Joshua Sled
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This file is part of LibGTop 1.0.
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Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <config.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/procstate.h>
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#include <glibtop_suid.h>
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static const unsigned long _glibtop_sysdeps_proc_state =
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(1L << GLIBTOP_PROC_STATE_CMD) + (1L << GLIBTOP_PROC_STATE_UID) +
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(1L << GLIBTOP_PROC_STATE_GID);
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static const unsigned long _glibtop_sysdeps_proc_state_new =
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0;
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/* Init function. */
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void
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_glibtop_init_proc_state_p (glibtop *server)
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{
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server->sysdeps.proc_state = _glibtop_sysdeps_proc_state |
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_glibtop_sysdeps_proc_state_new;
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}
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/* Provides detailed information about a process. */
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void
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glibtop_get_proc_state_p (glibtop *server,
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glibtop_proc_state *buf,
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pid_t pid)
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{
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struct kinfo_proc2 *pinfo;
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int count = 0;
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glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_STATE), 0);
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memset (buf, 0, sizeof (glibtop_proc_state));
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/* It does not work for the swapper task. */
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if (pid == 0) return;
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/* Get the process information */
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pinfo = kvm_getproc2 (server->machine.kd, KERN_PROC_PID, pid,
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sizeof (*pinfo), &count);
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if ((pinfo == NULL) || (count != 1)) {
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glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
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return;
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}
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#define PROC_COMM p_comm
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#define PROC_SVUID p_svuid
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#define PROC_SVGID p_svgid
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#define PROC_STAT p_stat
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g_strlcpy (buf->cmd, pinfo [0].PROC_COMM, sizeof buf->cmd);
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buf->uid = pinfo [0].PROC_SVUID;
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buf->gid = pinfo [0].PROC_SVGID;
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/* Set the flags for the data we're about to return*/
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buf->flags = _glibtop_sysdeps_proc_state |
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_glibtop_sysdeps_proc_state_new;
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#if LIBGTOP_VERSION_CODE >= 1001000
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switch (pinfo [0].PROC_STAT) {
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case SIDL:
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buf->state = 0;
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break;
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case SRUN:
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buf->state = GLIBTOP_PROCESS_RUNNING;
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break;
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#ifdef SSLEEP
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case SSLEEP:
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buf->state = GLIBTOP_PROCESS_INTERRUPTIBLE;
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break;
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#endif
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case SSTOP:
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buf->state = GLIBTOP_PROCESS_STOPPED;
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break;
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case SZOMB:
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buf->state = GLIBTOP_PROCESS_ZOMBIE;
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break;
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default:
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return;
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}
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#else
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switch (pinfo [0].PROC_STAT) {
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case SIDL:
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buf->state = 'D';
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break;
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case SRUN:
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buf->state = 'R';
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break;
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#ifdef SSLEEP
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case SSLEEP:
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buf->state = 'S';
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break;
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#endif
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case SSTOP:
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buf->state = 'T';
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break;
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case SZOMB:
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buf->state = 'Z';
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break;
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default:
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return;
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}
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#endif
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buf->flags |= (1L << GLIBTOP_PROC_STATE_STATE);
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}
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