freemyipod r423 - Code Review

Repository:	freemyipod
Revision:	< r422‎ \| r423 \| r424 >
Date:	12:53, 15 January 2011
Author:	theseven
Status:	new
Tags:
Comment:	emBIOS: Kill all user threads before shutting down hardware
Modified paths:	/embios/trunk/shutdown.c (modified) (history) /embios/trunk/thread.c (modified) (history) /embios/trunk/thread.h (modified) (history)

Diff [purge]

Index: embios/trunk/shutdown.c
—	—	@@ -23,11 +23,13 @@
24	24
25	25	#include "global.h"
26	26	#include "storage.h"
	27	+#include "thread.h"
27	28
28	29
29	30	void shutdown(bool shutdownhw)
30	31	{
31	32	DEBUGF("Shutting down...");
	33	+ thread_killlevel(USER_THREAD, false);
32	34	#ifdef HAVE_USB
33	35	usb_exit();
34	36	#endif
Index: embios/trunk/thread.c
—	—	@@ -464,6 +464,22 @@
465	465	return ret;
466	466	}
467	467
	468	+int thread_killlevel(enum thread_type type, bool killself)
	469	+{
	470	+ int i;
	471	+ int count = 0;
	472	+ uint32_t mode = enter_critical_section();
	473	+ for (i = 0; i < MAX_THREADS; i++)
	474	+ if (scheduler_threads[i].type == USER_THREAD && scheduler_threads[i].state != THREAD_FREE
	475	+ && (killself \|\| current_thread != &scheduler_threads[i]))
	476	+ {
	477	+ thread_terminate(i);
	478	+ count++;
	479	+ }
	480	+ leave_critical_section(mode);
	481	+ return count;
	482	+}
	483	+
468	484	enum thread_state thread_get_state(int thread)
469	485	{
470	486	return scheduler_threads[thread].state;
Index: embios/trunk/thread.h
—	—	@@ -117,6 +117,7 @@
118	118	int thread_suspend(int thread);
119	119	int thread_resume(int thread);
120	120	int thread_terminate(int thread);
	121	+int thread_killlevel(enum thread_type type, bool killself);
121	122	enum thread_state thread_get_state(int thread);
122	123	void thread_exit();
123	124	void mutex_init(struct mutex* obj) ICODE_ATTR;