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Simulator: get rid of SDL_mutex* parameter to sim_do_exit.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26338 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2010-05-27 21:36:04 +00:00
parent 8ea056db4b
commit 6ce5279ff3
3 changed files with 22 additions and 14 deletions
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5
firmware/target/hosted/sdl/system-sdl.c
View file

@ -144,14 +144,11 @@ static int sdl_event_thread(void * param)
return 0;
}
void sim_do_exit(SDL_mutex *m)
void sim_do_exit(void)
{
/* wait for event thread to finish */
SDL_WaitThread(evt_thread, NULL);
/* cleanup */
SDL_DestroyMutex(m);
SDL_Quit();
exit(EXIT_SUCCESS);
while(1);

1
firmware/target/hosted/sdl/system-sdl.h
View file

@ -45,6 +45,7 @@ void sim_kernel_shutdown(void);
void sys_poweroff(void);
void sys_handle_argv(int argc, char *argv[]);
bool gui_message_loop(void);
void sim_do_exit(void);
extern bool background; /* True if the background image is enabled */
extern bool showremote;

30
firmware/target/hosted/sdl/thread-sdl.c
View file

@ -60,12 +60,13 @@ static jmp_buf thread_jmpbufs[MAXTHREADS];
* that enables us to simulate a cooperative environment even if
* the host is preemptive */
static SDL_mutex *m;
static volatile bool threads_exit = false;
#define THREADS_RUN 0
#define THREADS_EXIT 1
#define THREADS_EXIT_COMMAND_DONE 2
static volatile int threads_status = THREADS_RUN;
extern long start_tick;
void sim_do_exit(SDL_mutex *m);
void sim_thread_shutdown(void)
{
int i;
@ -79,7 +80,7 @@ void sim_thread_shutdown(void)
on each unlock but that is safe. */
/* Do this before trying to acquire lock */
threads_exit = true;
threads_status = THREADS_EXIT;
/* Take control */
SDL_LockMutex(m);
@ -122,6 +123,9 @@ void sim_thread_shutdown(void)
}
SDL_UnlockMutex(m);
/* Signal completion of operation */
threads_status = THREADS_EXIT_COMMAND_DONE;
}
static void new_thread_id(unsigned int slot_num,
@ -210,8 +214,14 @@ void init_threads(void)
SDL_UnlockMutex(m);
/* doesn't return */
sim_do_exit(m);
/* Set to 'COMMAND_DONE' when other rockbox threads have exited. */
while (threads_status < THREADS_EXIT_COMMAND_DONE)
SDL_Delay(10);
SDL_DestroyMutex(m);
/* We're the main thead - perform exit - doesn't return. */
sim_do_exit();
}
void sim_thread_exception_wait(void)
@ -219,7 +229,7 @@ void sim_thread_exception_wait(void)
while (1)
{
SDL_Delay(HZ/10);
if (threads_exit)
if (threads_status != THREADS_RUN)
thread_exit();
}
}
@ -230,7 +240,7 @@ void sim_thread_lock(void *me)
SDL_LockMutex(m);
cores[CURRENT_CORE].running = (struct thread_entry *)me;
if (threads_exit)
if (threads_status != THREADS_RUN)
thread_exit();
}
@ -371,7 +381,7 @@ void switch_thread(void)
cores[CURRENT_CORE].running = current;
if (threads_exit)
if (threads_status != THREADS_RUN)
thread_exit();
}
@ -474,7 +484,7 @@ int runthread(void *data)
cores[CURRENT_CORE].running = current;
}
if (!threads_exit)
if (threads_status == THREADS_RUN)
{
current->context.start();
THREAD_SDL_DEBUGF("Thread Done: %d (%s)\n",