# define FUNC ((const char*) ("???"))
#endif
+#if defined (__GNUC__)
+# define MAYBE_UNUSED __attribute__((unused))
+#else
+# define MAYBE_UNUSED
+#endif
+
#ifndef INT16_MIN
# define INT16_MIN (-32767-1)
#endif
# define UINT32_MAX (4294967295U)
#endif
+#ifndef INT64_MIN
+# define INT64_MIN (-9223372036854775807-1)
+#endif
+
+#ifndef INT64_MAX
+# define INT64_MAX (9223372036854775807)
+#endif
+
+
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
/* 'inline' is available only in C++ in MSVC */
# define inline __inline
# define force_inline __forceinline
+# define noinline __declspec(noinline)
#elif defined __GNUC__ || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
# define inline __inline__
# define force_inline __inline__ __attribute__ ((__always_inline__))
+# define noinline __attribute__((noinline))
#else
# ifndef force_inline
# define force_inline inline
# endif
+# ifndef noinline
+# define noinline
+# endif
#endif
/* GCC visibility */
-#if defined(__GNUC__) && __GNUC__ >= 4
+#if defined(__GNUC__) && __GNUC__ >= 4 && !defined(_WIN32)
# define PIXMAN_EXPORT __attribute__ ((visibility("default")))
/* Sun Studio 8 visibility */
#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
#endif
/* TLS */
-#if defined(TOOLCHAIN_SUPPORTS__THREAD)
+#if defined(PIXMAN_NO_TLS)
# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
- static __thread type name
+ static type name
# define PIXMAN_GET_THREAD_LOCAL(name) \
(&name)
+#elif defined(TLS)
+
+# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
+ static TLS type name
+# define PIXMAN_GET_THREAD_LOCAL(name) \
+ (&name)
+
+#elif defined(__MINGW32__)
+
+# define _NO_W32_PSEUDO_MODIFIERS
+# include <windows.h>
+
+# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
+ static volatile int tls_ ## name ## _initialized = 0; \
+ static void *tls_ ## name ## _mutex = NULL; \
+ static unsigned tls_ ## name ## _index; \
+ \
+ static type * \
+ tls_ ## name ## _alloc (void) \
+ { \
+ type *value = calloc (1, sizeof (type)); \
+ if (value) \
+ TlsSetValue (tls_ ## name ## _index, value); \
+ return value; \
+ } \
+ \
+ static force_inline type * \
+ tls_ ## name ## _get (void) \
+ { \
+ type *value; \
+ if (!tls_ ## name ## _initialized) \
+ { \
+ if (!tls_ ## name ## _mutex) \
+ { \
+ void *mutex = CreateMutexA (NULL, 0, NULL); \
+ if (InterlockedCompareExchangePointer ( \
+ &tls_ ## name ## _mutex, mutex, NULL) != NULL) \
+ { \
+ CloseHandle (mutex); \
+ } \
+ } \
+ WaitForSingleObject (tls_ ## name ## _mutex, 0xFFFFFFFF); \
+ if (!tls_ ## name ## _initialized) \
+ { \
+ tls_ ## name ## _index = TlsAlloc (); \
+ tls_ ## name ## _initialized = 1; \
+ } \
+ ReleaseMutex (tls_ ## name ## _mutex); \
+ } \
+ if (tls_ ## name ## _index == 0xFFFFFFFF) \
+ return NULL; \
+ value = TlsGetValue (tls_ ## name ## _index); \
+ if (!value) \
+ value = tls_ ## name ## _alloc (); \
+ return value; \
+ }
+
+# define PIXMAN_GET_THREAD_LOCAL(name) \
+ tls_ ## name ## _get ()
+
#elif defined(_MSC_VER)
# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
static pthread_key_t tls_ ## name ## _key; \
\
static void \
+ tls_ ## name ## _destroy_value (void *value) \
+ { \
+ free (value); \
+ } \
+ \
+ static void \
tls_ ## name ## _make_key (void) \
{ \
- pthread_key_create (&tls_ ## name ## _key, NULL); \
+ pthread_key_create (&tls_ ## name ## _key, \
+ tls_ ## name ## _destroy_value); \
} \
\
static type * \
#else
-# error "Unknown thread local support for this system"
+# error "Unknown thread local support for this system. Pixman will not work with multiple threads. Define PIXMAN_NO_TLS to acknowledge and accept this limitation and compile pixman without thread-safety support."
#endif