Patch 5107 from Steve Bavin, enable locking on sdl sim, now mutexes actually MUT EX on the SDL sim

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9638 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Brandon Low 2006-04-12 15:38:56 +00:00
parent 1b18dd0f17
commit 9cde77060a
2 changed files with 8 additions and 4 deletions

View file

@ -197,3 +197,4 @@ Rani Hod
Tom Ross
Anton Romanov
Jean-Luc Ohl
Steve Bavin

View file

@ -150,18 +150,21 @@ int tick_remove_task(void (*f)(void))
return -1;
}
/* TODO: Implement mutexes for win32 */
/* Very simple mutex simulation - won't work with pre-emptive
multitasking, but is better than nothing at all */
void mutex_init(struct mutex *m)
{
(void)m;
m->locked = false;
}
void mutex_lock(struct mutex *m)
{
(void)m;
while(m->locked)
switch_thread();
m->locked = true;
}
void mutex_unlock(struct mutex *m)
{
(void)m;
m->locked = false;
}