Add ChildProcess::getPID() call

Signed-off-by: falkTX <falktx@falktx.com>

modules/juce_core/native/juce_posix_SharedCode.h

@@ -1239,6 +1239,11 @@ public:
         return 0;
     }
 
+    int getPID() const noexcept
+    {
+        return childPID;
+    }
+
     int childPID = 0;
     int pipeHandle = 0;
     int exitCode = -1;

modules/juce_core/native/juce_win32_Threads.cpp

@@ -477,6 +477,11 @@ public:
         return (uint32) exitCode;
     }
 
+    int getPID() const noexcept
+    {
+        return 0;
+    }
+
     bool ok;
 
 private:

modules/juce_core/threads/juce_ChildProcess.cpp

@@ -81,6 +81,11 @@ String ChildProcess::readAllProcessOutput()
 }
 
 
+uint32 ChildProcess::getPID() const noexcept
+{
+    return activeProcess != nullptr ? activeProcess->getPID() : 0;
+}
+
 //==============================================================================
 //==============================================================================
 #if JUCE_UNIT_TESTS

modules/juce_core/threads/juce_ChildProcess.h

@@ -101,6 +101,8 @@ public:
     */
     bool kill();
 
+    uint32 getPID() const noexcept;
+
 private:
     //==============================================================================
     class ActiveProcess;