From 4696ef802a1c3b037a07a841945d73b52720a163 Mon Sep 17 00:00:00 2001
From: tron <tron@openttd.org>
Date: Fri, 5 Aug 2005 09:15:41 +0000
Subject: (svn r2809) Implement more generic threading functions, which allow
 more than one thread

---
 thread.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 thread.c

(limited to 'thread.c')

diff --git a/thread.c b/thread.c
new file mode 100644
index 000000000..6c70ebdb2
--- /dev/null
+++ b/thread.c
@@ -0,0 +1,112 @@
+/* $Id$ */
+
+#include "stdafx.h"
+#include "thread.h"
+#include <stdlib.h>
+
+#if defined(__AMIGA__) || defined(__MORPHOS__)
+Thread* OTTDCreateThread(ThreadFunc function, void* arg) { return NULL; }
+void OTTDJoinThread(Thread*) {}
+
+
+#elif defined(__OS2__)
+
+#define INCL_DOS
+#include <os2.h>
+#include <process.h>
+
+struct Thread {
+	TID thread;
+};
+
+Thread* OTTDCreateThread(ThreadFunc function, void* arg)
+{
+	Thread* t = malloc(sizeof(*t));
+
+	if (t == NULL) return NULL;
+
+	t->thread = _beginthread(function, NULL, 32768, arg);
+	if (t->thread != -1) {
+		return t;
+	} else {
+		free(t);
+		return NULL;
+	}
+}
+
+void OTTDJoinThread(Thread* t)
+{
+	if (t == NULL) return;
+
+	DosWaitThread(&t->thread, DCWW_WAIT);
+	free(t);
+}
+
+
+#elif defined(UNIX)
+
+#include <pthread.h>
+
+struct Thread {
+	pthread_t thread;
+};
+
+Thread* OTTDCreateThread(ThreadFunc function, void* arg)
+{
+	Thread* t = malloc(sizeof(*t));
+
+	if (t == NULL) return NULL;
+
+	if (pthread_create(&t->thread, NULL, (void* (*)(void*))function, arg) == 0) {
+		return t;
+	} else {
+		free(t);
+		return NULL;
+	}
+}
+
+void OTTDJoinThread(Thread* t)
+{
+	if (t == NULL) return;
+
+	pthread_join(t->thread, NULL);
+	free(t);
+}
+
+
+#elif defined(WIN32)
+
+#include <windows.h>
+
+struct Thread {
+	HANDLE thread;
+};
+
+Thread* OTTDCreateThread(ThreadFunc function, void* arg)
+{
+	Thread* t = malloc(sizeof(*t));
+	DWORD dwThreadId;
+
+	if (t == NULL) return NULL;
+
+	t->thread = CreateThread(
+		NULL, 0, (LPTHREAD_START_ROUTINE)function, arg, 0, &dwThreadId
+	);
+
+	if (t->thread != NULL) {
+		return t;
+	} else {
+		free(t);
+		return NULL;
+	}
+}
+
+void OTTDJoinThread(Thread* t)
+{
+	if (t == NULL) return;
+
+	WaitForSingleObject(t->thread, INFINITE);
+	CloseHandle(t->thread);
+	free(t);
+}
+#endif
-- 
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