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[client] report locking mode used for diagnostics

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This commit is contained in:
Geoffrey McRae 2017-12-21 01:35:36 +11:00
parent 58ed978767
commit c5cbb948e2
2 changed files with 3 additions and 0 deletions
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1
client/main.c
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@ -642,6 +642,7 @@ static bool try_renderer(const int index, const LG_RendererParams lgrParams, Uin
int run()
{
DEBUG_INFO("Looking Glass (" BUILD_VERSION ")");
DEBUG_INFO("Locking Method: " LG_LOCK_MODE);
memset(&state, 0, sizeof(state));
state.running = true;

2
client/utils.h
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@ -47,12 +47,14 @@ static inline void nsleep(uint64_t ns)
}
#ifdef ATOMIC_LOCKING
#define LG_LOCK_MODE "Atomic"
typedef volatile int LG_Lock;
#define LG_LOCK_INIT(x) (x) = 0
#define LG_LOCK(x) while(__sync_lock_test_and_set(&(x), 1)) {nsleep(100);}
#define LG_UNLOCK(x) __sync_lock_release(&x)
#define LG_LOCK_FREE(x)
#else
#define LG_LOCK_MODE "Mutex"
typedef SDL_mutex * LG_Lock;
#define LG_LOCK_INIT(x) (x = SDL_CreateMutex())
#define LG_LOCK(x) SDL_LockMutex(x)