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/* Procman process actions
* Copyright (C) 2001 Kevin Vandersloot
*
* This program 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.
*
* This program 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 Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/resource.h>
#include "procactions.h"
#include "procman.h"
#include "proctable.h"
#include "procdialogs.h"
#include "callbacks.h"
static int nice_value = 0;
static void
renice_single_process (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
ProcData *procdata = data;
ProcInfo *info = NULL;
gint error;
gchar *error_msg;
GtkWidget *dialog;
gtk_tree_model_get (model, iter, COL_POINTER, &info, -1);
g_return_if_fail (info);
errno = 0;
error = setpriority (PRIO_PROCESS, info->pid, nice_value);
if (error == -1)
{
switch (errno) {
case ESRCH:
error_msg = g_strdup_printf (_("No such process."));
dialog = gtk_message_dialog_new (NULL,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"%s",
error_msg,
NULL);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
g_free (error_msg);
break;
case EPERM:
error_msg = g_strdup_printf (_("Process Name: %s \n\nYou do not have permission to change the priority of this process. You can enter the root password to gain the necessary permission."), info->name);
procdialog_create_root_password_dialog (1, procdata,
info->pid, nice_value,
error_msg);
g_free (error_msg);
break;
case EACCES:
error_msg = g_strdup_printf (_("Process Name: %s \n\nYou must be root to renice a process lower than 0. You can enter the root password to gain the necessary permission."), info->name);
procdialog_create_root_password_dialog (1, procdata,
info->pid, nice_value,
error_msg);
g_free (error_msg);
break;
default:
break;
}
}
}
void
renice (ProcData *procdata, int pid, int nice)
{
nice_value = nice;
/*if (!procdata->selection)
return;*/
gtk_tree_selection_selected_foreach (procdata->selection, renice_single_process,
procdata);
proctable_update_all (procdata);
}
static void
kill_single_process (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
ProcData *procdata = data;
ProcInfo *info;
int error;
GtkWidget *dialog;
gchar *error_msg;
gtk_tree_model_get (model, iter, COL_POINTER, &info, -1);
g_return_if_fail (info);
/* Author: Tige Chastian
Date: 8/18/01
Added dialogs for errors on kill.
Added sigterm fail over to sigkill
*/
error = kill (info->pid, kill_signal);
if (error == -1)
{
switch (errno) {
case ESRCH:
break;
case EPERM:
error_msg = g_strdup_printf (_("Process Name: %s \n\nYou do not have permission to end this process. You can enter the root password to gain the necessary permission."), info->name);
procdialog_create_root_password_dialog (0, procdata,
info->pid, kill_signal,
error_msg);
g_free (error_msg);
break;
default:
error = kill (info->pid, SIGKILL);
if (error == -1)
{
switch (errno) {
case ESRCH:
break;
default:
dialog = gtk_message_dialog_new (NULL,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"%s",
_("An error occured while killing the process."),
NULL);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
}
}
}
}
void
kill_process (ProcData *procdata, int sig)
{
/* EEEK - ugly hack - make sure the table is not updated as a crash
** occurs if you first kill a process and the tree node is removed while
** still in the foreach function
*/
gtk_timeout_remove (procdata->timeout);
kill_signal = sig;
gtk_tree_selection_selected_foreach (procdata->selection, kill_single_process,
procdata);
procdata->timeout = gtk_timeout_add (procdata->config.update_interval,
cb_timeout, procdata);
proctable_update_all (procdata);
}
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