diff options
Diffstat (limited to 'sysdeps/kernel/procstate.c')
-rw-r--r-- | sysdeps/kernel/procstate.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sysdeps/kernel/procstate.c b/sysdeps/kernel/procstate.c new file mode 100644 index 00000000..59217a5e --- /dev/null +++ b/sysdeps/kernel/procstate.c @@ -0,0 +1,75 @@ +/* $Id$ */ + +/* Copyright (C) 1998-99 Martin Baulig + This file is part of LibGTop 1.0. + + Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998. + + LibGTop is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + LibGTop is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License + along with LibGTop; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include <glibtop.h> +#include <glibtop/error.h> +#include <glibtop/procstate.h> + +#include "kernel.h" + +static const unsigned long _glibtop_sysdeps_proc_state = +(1 << GLIBTOP_PROC_STATE_CMD) + (1 << GLIBTOP_PROC_STATE_STATE) + +(1 << GLIBTOP_PROC_STATE_UID) + (1 << GLIBTOP_PROC_STATE_GID); + +/* Init function. */ + +void +glibtop_init_proc_state_s (glibtop *server) +{ + server->sysdeps.proc_state = _glibtop_sysdeps_proc_state; +} + +/* Provides detailed information about a process. */ + +#define NR_STATES 7 + +void +glibtop_get_proc_state_s (glibtop *server, glibtop_proc_state *buf, + pid_t pid) +{ + union table tbl; + static const char states [NR_STATES] = + { 'R', 'S', 'D', 'Z', 'T', 'W', '.' }; + unsigned state; + + glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_STATE, 0); + + memset (buf, 0, sizeof (glibtop_proc_state)); + + if (table (TABLE_PROC_STATE, &tbl, &pid)) + glibtop_error_io_r (server, "table(TABLE_PROC_STATE)"); + + buf->flags = _glibtop_sysdeps_proc_state; + + memcpy (buf->cmd, tbl.proc_state.comm, sizeof (tbl.proc_state.comm)); + + buf->uid = tbl.proc_state.uid; + buf->gid = tbl.proc_state.state; + + state = (unsigned) tbl.proc_state.state; + + if (state >= NR_STATES) + state = NR_STATES; + + buf->state = states [state]; +} |