82fdca61c2
1998-10-31 Martin Baulig <martin@home-of-linux.org> * *.c: Use glibtop_warn_io_r () instead of glibtop_error_io_r (). * proctime.c, prockernel.c, procargs.c: Don't call kvm_uread () if the /proc filesystem is not mounted.
93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/* $Id$ */
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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the Gnome Top Library.
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Contributed by Joshua Sled <jsled@xcf.berkeley.edu, July 1998.
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The Gnome Top Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome Top Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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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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#include <sys/user.h>
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static const unsigned long _glibtop_sysdeps_proc_state =
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(1 << GLIBTOP_PROC_STATE_CMD) + (1 << GLIBTOP_PROC_STATE_STATE) +
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(1 << GLIBTOP_PROC_STATE_UID) + (1 << GLIBTOP_PROC_STATE_GID);
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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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}
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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_proc *pinfo;
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int count = 0;
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glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_STATE), 0);
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memset (buf, 0, sizeof (glibtop_proc_state));
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/* Get the process information */
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pinfo = kvm_getprocs (server->machine.kd, KERN_PROC_PID, pid, &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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strncpy (buf->cmd, pinfo [0].kp_proc.p_comm, sizeof (buf->cmd)-1);
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buf->cmd [sizeof (buf->cmd)-1] = 0;
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buf->uid = pinfo [0].kp_eproc.e_pcred.p_svuid;
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buf->gid = pinfo [0].kp_eproc.e_pcred.p_svgid;
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switch (pinfo [0].kp_proc.p_stat) {
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case SIDL:
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buf->state = 'I';
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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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case SSLEEP:
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buf->state = 'S';
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break;
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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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buf->state = '?';
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break;
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}
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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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}
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