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Use cookies for thread identification instead of pointers directly which gives a buffer against wrongly identifying a thread when the slot is recycled (which has been nagging me for awhile). A slot gets 255 uses before it repeats. Everything gets incompatible so a full update is required.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19377 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2008-12-10 08:57:10 +00:00
parent 40ff47c7ee
commit 8cfbd3604f
32 changed files with 329 additions and 234 deletions
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12
apps/codecs/spc.c
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@ -197,7 +197,7 @@ static int spc_emu_thread_stack[DEFAULT_STACK_SIZE/sizeof(int)]
CACHEALIGN_ATTR;
static const unsigned char * const spc_emu_thread_name = "spc emu";
static struct thread_entry *emu_thread_p;
static unsigned int emu_thread_id = 0;
enum
{
@ -352,11 +352,11 @@ static void spc_emu_thread(void)
static bool spc_emu_start(void)
{
emu_thread_p = ci->create_thread(spc_emu_thread, spc_emu_thread_stack,
emu_thread_id = ci->create_thread(spc_emu_thread, spc_emu_thread_stack,
sizeof(spc_emu_thread_stack), CREATE_THREAD_FROZEN,
spc_emu_thread_name IF_PRIO(, PRIORITY_PLAYBACK), COP);
if (emu_thread_p == NULL)
if (emu_thread_id == 0)
return false;
/* Initialize audio queue as full to prevent emu thread from trying to run the
@ -368,7 +368,7 @@ static bool spc_emu_start(void)
sample_queue.tail = 2;
/* Start it running */
ci->thread_thaw(emu_thread_p);
ci->thread_thaw(emu_thread_id);
return true;
}
@ -382,10 +382,10 @@ static inline int load_spc_buffer(uint8_t *buf, size_t size)
static inline void spc_emu_quit(void)
{
if (emu_thread_p != NULL) {
if (emu_thread_id != 0) {
emu_thread_send_msg(SPC_EMU_QUIT, 0);
/* Wait for emu thread to be killed */
ci->thread_wait(emu_thread_p);
ci->thread_wait(emu_thread_id);
invalidate_icache();
}
}