initial

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);
+}