Fix 'is_process_running' returns an incorrect 'true' when process 'pi…

…d' exists, but whose process does not belong to the current application.

Effect on Aseprite: some recovery sessions do not appear in the Recovery menu.

base/process.cpp

@@ -1,5 +1,5 @@
 // LAF Base Library
-// Copyright (c) 2021 Igara Studio S.A.
+// Copyright (c) 2021-2023 Igara Studio S.A.
 // Copyright (c) 2015-2016 David Capello
 //
 // This file is released under the terms of the MIT license.
@@ -19,6 +19,11 @@
   #include <unistd.h>
 #endif
 
+#if LAF_MACOS
+  #include <libproc.h>
+  #include <string.h>
+#endif
+
 namespace base {
 
 #if LAF_WINDOWS
@@ -28,7 +33,7 @@ pid get_current_process_id()
   return (pid)GetCurrentProcessId();
 }
 
-bool is_process_running(pid pid)
+bool is_process_running(pid pid, const char* pname)
 {
   bool running = false;
 
@@ -44,14 +49,29 @@ bool is_process_running(pid pid)
   return running;
 }
 
-#else // !LAF_WINDOWS
+#elif LAF_MACOS
+
+pid get_current_process_id()
+{
+  return (pid)getpid();
+}
+
+bool is_process_running(pid pid, const char* pname)
+{
+  struct proc_bsdinfo process;
+  proc_pidinfo(pid, PROC_PIDTBSDINFO, 0,
+               &process, PROC_PIDTBSDINFO_SIZE);
+  return (strcmp(pname, process.pbi_name) == 0);
+}
+
+#elif LAF_LINUX
 
 pid get_current_process_id()
 {
   return (pid)getpid();
 }
 
-bool is_process_running(pid pid)
+bool is_process_running(pid pid, const char* pname)
 {
   return (kill(pid, 0) == 0);
 }

base/process.h

@@ -1,4 +1,5 @@
 // LAF Base Library
+// Copyright (c) 2023 Igara Studio S.A.
 // Copyright (c) 2015-2016 David Capello
 //
 // This file is released under the terms of the MIT license.
@@ -16,7 +17,7 @@ namespace base {
 
   pid get_current_process_id();
 
-  bool is_process_running(pid pid);
+  bool is_process_running(pid pid, const char* pname);
 
 } // namespace base