ExecAndWait

src/basic/win32.cpp

@@ -396,6 +396,7 @@ Process CreateCommandLineProcess(String command_line, String working_dir) {
 bool PollExitCode(Process *process) {
     Assert(process->is_valid);
     Win32Process *p = (Win32Process *)process->platform;
+    if (process->exited) return process->exited;
 
     if (WaitForSingleObject(p->handle, 0) != WAIT_OBJECT_0) {
         return false;
@@ -407,11 +408,15 @@ bool PollExitCode(Process *process) {
         exit_code = -1;
     }
 
+    process->exited    = true;
     process->exit_code = (int)exit_code;
-    Win32CloseProcess(process);
     return true;
 }
 
+void CloseProcess(Process *process) {
+    Win32CloseProcess(process);
+}
+
 void KillProcess(Process *process) {
     Assert(process->is_valid);
     Win32Process *p = (Win32Process *)process->platform;
@@ -437,6 +442,10 @@ StdoutPollInfo PollStdout(Process *process, char *buffer, int64_t buffer_size) {
         return result;
     }
 
+    if (!buffer) {
+        return {0, bytes_avail};
+    }
+
     if (bytes_avail == 0) {
         return result;
     }