From fb31765cbe33890f325a87015507364156741321 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:59:44 +0200
Subject: Adding upstream version 42.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/procactions.cpp | 187 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 187 insertions(+)
 create mode 100644 src/procactions.cpp

(limited to 'src/procactions.cpp')

diff --git a/src/procactions.cpp b/src/procactions.cpp
new file mode 100644
index 0000000..6868d25
--- /dev/null
+++ b/src/procactions.cpp
@@ -0,0 +1,187 @@
+/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#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 "application.h"
+#include "proctable.h"
+#include "procdialogs.h"
+
+
+static void
+renice_single_process (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
+{
+    const struct ProcActionArgs * const args = static_cast<ProcActionArgs*>(data);
+
+    ProcInfo *info = NULL;
+    gint error;
+    int saved_errno;
+    gchar *error_msg;
+    GtkMessageDialog *dialog;
+
+    gtk_tree_model_get (model, iter, COL_POINTER, &info, -1);
+
+    if (!info)
+        return;
+    if (info->nice == args->arg_value)
+        return;
+    error = setpriority (PRIO_PROCESS, info->pid, args->arg_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->app, info->pid,
+            args->arg_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->arg_value, g_strerror(saved_errno));
+
+    dialog = GTK_MESSAGE_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 (GTK_WIDGET (dialog));
+    g_free (error_msg);
+}
+
+
+void
+renice (GsmApplication *app, int nice)
+{
+    struct ProcActionArgs args = { app, 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
+    */
+    proctable_freeze (app);
+
+    gtk_tree_selection_selected_foreach(app->selection, renice_single_process,
+                                        &args);
+
+    proctable_thaw (app);
+
+    proctable_update (app);
+}
+
+
+
+
+static void
+kill_single_process (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
+{
+    const struct ProcActionArgs * const args = static_cast<ProcActionArgs*>(data);
+    char *error_msg;
+    ProcInfo *info;
+    int error;
+    int saved_errno;
+    GtkMessageDialog *dialog;
+
+    gtk_tree_model_get (model, iter, COL_POINTER, &info, -1);
+
+    if (!info)
+        return;
+
+    error = kill (info->pid, args->arg_value);
+
+    /* 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->app, info->pid,
+            args->arg_value);
+
+        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->arg_value, g_strerror(saved_errno));
+
+    dialog = GTK_MESSAGE_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 (GTK_WIDGET (dialog));
+    g_free (error_msg);
+}
+
+
+void
+kill_process (GsmApplication *app, int sig)
+{
+    struct ProcActionArgs args = { app, 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
+    */
+    proctable_freeze (app);
+
+    gtk_tree_selection_selected_foreach (app->selection, kill_single_process,
+                                         &args);
+
+    proctable_thaw (app);
+
+    proctable_update (app);
+}
-- 
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