diff options
Diffstat (limited to 'src/procactions.cpp')
| -rw-r--r-- | src/procactions.cpp | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/procactions.cpp b/src/procactions.cpp new file mode 100644 index 0000000..8e79608 --- /dev/null +++ b/src/procactions.cpp @@ -0,0 +1,190 @@ +/* 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. + * + */ + + +#include <config.h> +#include <errno.h> + +#include <glib/gi18n.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 void +renice_single_process (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) +{ + const struct ReniceArgs * const args = static_cast<ReniceArgs*>(data); + + ProcInfo *info = NULL; + gint error; + int saved_errno; + gchar *error_msg; + GtkWidget *dialog; + + gtk_tree_model_get (model, iter, COL_POINTER, &info, -1); + + if (!info) + return; + + error = setpriority (PRIO_PROCESS, info->pid, args->nice_value); + + /* success */ + if(error != -1) return; + + saved_errno = errno; + + /* need to be root */ + if(errno == EPERM || errno == EACCES) { + gboolean success; + + success = procdialog_create_root_password_dialog ( + PROCMAN_ACTION_RENICE, args->procdata, info->pid, + args->nice_value); + + if(success) return; + + if(errno) { + saved_errno = errno; + } + } + + /* failed */ + error_msg = g_strdup_printf ( + _("Cannot change the priority of process with pid %d to %d.\n" + "%s"), + info->pid, args->nice_value, g_strerror(saved_errno)); + + dialog = gtk_message_dialog_new ( + NULL, + GTK_DIALOG_DESTROY_WITH_PARENT, + GTK_MESSAGE_ERROR, + GTK_BUTTONS_OK, + "%s", error_msg); + + gtk_dialog_run (GTK_DIALOG (dialog)); + gtk_widget_destroy (dialog); + g_free (error_msg); +} + + +void +renice (ProcData *procdata, int nice) +{ + struct ReniceArgs args = { procdata, nice }; + + /* 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 + */ + g_source_remove(procdata->timeout); + + gtk_tree_selection_selected_foreach(procdata->selection, renice_single_process, + &args); + + procdata->timeout = g_timeout_add(procdata->config.update_interval, + cb_timeout, + procdata); + + proctable_update_all (procdata); +} + + + + +static void +kill_single_process (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) +{ + const struct KillArgs * const args = static_cast<KillArgs*>(data); + char *error_msg; + ProcInfo *info; + int error; + int saved_errno; + GtkWidget *dialog; + + gtk_tree_model_get (model, iter, COL_POINTER, &info, -1); + + if (!info) + return; + + error = kill (info->pid, args->signal); + + /* success */ + if(error != -1) return; + + saved_errno = errno; + + /* need to be root */ + if(errno == EPERM) { + gboolean success; + + success = procdialog_create_root_password_dialog ( + PROCMAN_ACTION_KILL, args->procdata, info->pid, + args->signal); + + if(success) return; + + if(errno) { + saved_errno = errno; + } + } + + /* failed */ + error_msg = g_strdup_printf ( + _("Cannot kill process with pid %d with signal %d.\n" + "%s"), + info->pid, args->signal, g_strerror(saved_errno)); + + dialog = gtk_message_dialog_new ( + NULL, + GTK_DIALOG_DESTROY_WITH_PARENT, + GTK_MESSAGE_ERROR, + GTK_BUTTONS_OK, + "%s", error_msg); + + gtk_dialog_run (GTK_DIALOG (dialog)); + gtk_widget_destroy (dialog); + g_free (error_msg); +} + + +void +kill_process (ProcData *procdata, int sig) +{ + struct KillArgs args = { procdata, 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 + */ + g_source_remove (procdata->timeout); + + gtk_tree_selection_selected_foreach (procdata->selection, kill_single_process, + &args); + + procdata->timeout = g_timeout_add (procdata->config.update_interval, + cb_timeout, + procdata); + proctable_update_all (procdata); +} |