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mark some init function as being safe for thread_sanitizer.

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introduces the macro WEBP_TSAN_IGNORE_FUNCTION

Change-Id: I3de2b6c1a2076fba4da7ae50322551e026b2082b
This commit is contained in:
Pascal Massimino
2014-10-16 16:34:07 +02:00
parent 79b5bdbfde
commit 80247291c6
25 changed files with 75 additions and 64 deletions
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25
src/dsp/dsp.h
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@ -80,6 +80,15 @@ extern "C" {
#endif
#endif
// This macro prevents thread_sanitizer from reporting known concurrent writes.
#define WEBP_TSAN_IGNORE_FUNCTION
#if defined(__has_feature)
#if __has_feature(thread_sanitizer)
#undef WEBP_TSAN_IGNORE_FUNCTION
#define WEBP_TSAN_IGNORE_FUNCTION __attribute__((no_sanitize_thread))
#endif
#endif
typedef enum {
kSSE2,
kSSE3,
@ -147,7 +156,8 @@ typedef void (*VP8CHisto)(const uint8_t* ref, const uint8_t* pred,
extern const int VP8DspScan[16 + 4 + 4];
extern VP8CHisto VP8CollectHistogram;
void VP8EncDspInit(void); // must be called before using any of the above
// must be called before using any of the above
void VP8EncDspInit(void) WEBP_TSAN_IGNORE_FUNCTION;
//------------------------------------------------------------------------------
// Decoding
@ -174,7 +184,8 @@ extern const int8_t* const VP8ksclip1; // clips [-1020, 1020] to [-128, 127]
extern const int8_t* const VP8ksclip2; // clips [-112, 112] to [-16, 15]
extern const uint8_t* const VP8kclip1; // clips [-255,511] to [0,255]
extern const uint8_t* const VP8kabs0; // abs(x) for x in [-255,255]
void VP8InitClipTables(void); // must be called first
// must be called first
void VP8InitClipTables(void) WEBP_TSAN_IGNORE_FUNCTION;
// simple filter (only for luma)
typedef void (*VP8SimpleFilterFunc)(uint8_t* p, int stride, int thresh);
@ -201,7 +212,7 @@ extern VP8ChromaFilterFunc VP8VFilter8i; // filtering u and v altogether
extern VP8ChromaFilterFunc VP8HFilter8i;
// must be called before anything using the above
void VP8DspInit(void);
void VP8DspInit(void) WEBP_TSAN_IGNORE_FUNCTION;
//------------------------------------------------------------------------------
// WebP I/O
@ -250,11 +261,11 @@ extern WebPYUV444Converter WebPYUV444Converters[/* MODE_LAST */];
// Must be called before using the WebPUpsamplers[] (and for premultiplied
// colorspaces like rgbA, rgbA4444, etc)
void WebPInitUpsamplers(void);
void WebPInitUpsamplers(void) WEBP_TSAN_IGNORE_FUNCTION;
// Must be called before using WebPSamplers[]
void WebPInitSamplers(void);
void WebPInitSamplers(void) WEBP_TSAN_IGNORE_FUNCTION;
// Must be called before using WebPYUV444Converters[]
void WebPInitYUV444Converters(void);
void WebPInitYUV444Converters(void) WEBP_TSAN_IGNORE_FUNCTION;
//------------------------------------------------------------------------------
// Utilities for processing transparent channel.
@ -312,7 +323,7 @@ void WebPMultRowC(uint8_t* const ptr, const uint8_t* const alpha,
void WebPMultARGBRowC(uint32_t* const ptr, int width, int inverse);
// To be called first before using the above.
void WebPInitAlphaProcessing(void);
void WebPInitAlphaProcessing(void) WEBP_TSAN_IGNORE_FUNCTION;
#ifdef __cplusplus
} // extern "C"