Handle more signal cases along with a non-file lock case

src/cb/src/clipboard.cpp

@@ -1,5 +1,5 @@
 /*  The Clipboard Project - Cut, copy, and paste anything, anytime, anywhere, all from the terminal.
-    Copyright (C) 2023 Jackson Huff and other contributors on GitHub.com
+    Copyright (C) 2024 Jackson Huff and other contributors on GitHub.com
     SPDX-License-Identifier: GPL-3.0-or-later
     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
@@ -171,7 +171,7 @@ void Clipboard::getLock() {
             if (kill(pid, 0) == -1) break;
 #endif
             if (!isLocked()) break;
-            std::this_thread::sleep_for(std::chrono::milliseconds(250));
+            std::this_thread::sleep_for(std::chrono::milliseconds(100));
         }
     }
     writeToFile(metadata.lock, std::to_string(thisPID()));

src/cb/src/clipboard.hpp

@@ -1,5 +1,5 @@
 /*  The Clipboard Project - Cut, copy, and paste anything, anytime, anywhere, all from the terminal.
-    Copyright (C) 2023 Jackson Huff and other contributors on GitHub.com
+    Copyright (C) 2024 Jackson Huff and other contributors on GitHub.com
     SPDX-License-Identifier: GPL-3.0-or-later
     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
@@ -310,7 +310,17 @@ class Clipboard {
     std::vector<std::string> ignoreSecrets();
     void applyIgnoreRules();
     bool isUnused();
-    bool isLocked() { return fs::exists(metadata.lock); }
+    bool isLocked() {
+        if (!fs::is_regular_file(metadata.lock)) {
+            if (fs::exists(metadata.lock)) // Handle the case where the lock file is not a regular file
+                fs::remove(metadata.lock);
+            return false;
+        }
+        // auto pid = std::stoi(fileContents(metadata.lock).value());
+        // Check if the PID
+
+        return true;
+    }
     void getLock();
     void releaseLock() { fs::remove(metadata.lock); }
     std::string name() const { return this_name; }

src/cb/src/utils/utils.cpp

@@ -245,7 +245,7 @@ void setupHandlers() {
 #endif
     });
 
-    signal(SIGINT, [](int) {
+    auto exitCleanly = [](int) {
         fprintf(stderr, "%s", formatColors("[blank]").data());
         if (!stopIndicator(false)) {
             // Indicator thread is not currently running. TODO: Write an unbuffered newline, and maybe a cancelation
@@ -257,7 +257,11 @@ void setupHandlers() {
             indicator.join();
             exit(EXIT_FAILURE);
         }
-    });
+    };
+
+    signal(SIGINT, exitCleanly);
+    signal(SIGTERM, exitCleanly);
+    signal(SIGQUIT, exitCleanly);
 
     forker.atFork([]() {
         // As the indicator thread still exists in memory in the forked process,
@@ -377,7 +381,10 @@ void setupVariables(int& argc, char* argv[]) {
 
     arguments.assign(argv + 1, argv + argc);
 
-    clipboard_invocation = argv[0];
+    if (argv[0][0] != nullptr)
+        clipboard_invocation = argv[0];
+    else
+        clipboard_invocation = "cb";
 }
 
 template <typename T>