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Diffstat (limited to 'pixman/pixman/pixman-compiler.h')
-rw-r--r--pixman/pixman/pixman-compiler.h406
1 files changed, 210 insertions, 196 deletions
diff --git a/pixman/pixman/pixman-compiler.h b/pixman/pixman/pixman-compiler.h
index c47306691..484ef4477 100644
--- a/pixman/pixman/pixman-compiler.h
+++ b/pixman/pixman/pixman-compiler.h
@@ -1,196 +1,210 @@
-/* Pixman uses some non-standard compiler features. This file ensures
- * they exist
- *
- * The features are:
- *
- * FUNC must be defined to expand to the current function
- * PIXMAN_EXPORT should be defined to whatever is required to
- * export functions from a shared library
- * limits limits for various types must be defined
- * inline must be defined
- * force_inline must be defined
- */
-#if defined (__GNUC__)
-# define FUNC ((const char*) (__PRETTY_FUNCTION__))
-#elif defined (__sun) || (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
-# define FUNC ((const char*) (__func__))
-#else
-# define FUNC ((const char*) ("???"))
-#endif
-
-#ifndef INT16_MIN
-# define INT16_MIN (-32767-1)
-#endif
-
-#ifndef INT16_MAX
-# define INT16_MAX (32767)
-#endif
-
-#ifndef INT32_MIN
-# define INT32_MIN (-2147483647-1)
-#endif
-
-#ifndef INT32_MAX
-# define INT32_MAX (2147483647)
-#endif
-
-#ifndef UINT32_MIN
-# define UINT32_MIN (0)
-#endif
-
-#ifndef UINT32_MAX
-# define UINT32_MAX (4294967295U)
-#endif
-
-#ifndef M_PI
-# define M_PI 3.14159265358979323846
-#endif
-
-#ifdef _MSC_VER
-/* 'inline' is available only in C++ in MSVC */
-# define inline __inline
-# define force_inline __forceinline
-#elif defined __GNUC__ || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
-# define inline __inline__
-# define force_inline __inline__ __attribute__ ((__always_inline__))
-#else
-# ifndef force_inline
-# define force_inline inline
-# endif
-#endif
-
-/* GCC visibility */
-#if defined(__GNUC__) && __GNUC__ >= 4
-# define PIXMAN_EXPORT __attribute__ ((visibility("default")))
-/* Sun Studio 8 visibility */
-#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
-# define PIXMAN_EXPORT __global
-#else
-# define PIXMAN_EXPORT
-#endif
-
-/* TLS */
-#if defined(TOOLCHAIN_SUPPORTS__THREAD)
-
-# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
- static __thread type name
-# define PIXMAN_GET_THREAD_LOCAL(name) \
- (&name)
-
-#elif defined(__MINGW32__) && !defined(__WIN64)
-
-/* We can't include <windows.h> as it causes carious clashes with
- * identifiers in pixman, sigh. So just declare the functions we need
- * here.
- */
-extern long __stdcall InterlockedCompareExchange(long volatile *, long, long);
-#define InterlockedCompareExchangePointer(d,e,c) \
- (void *)InterlockedCompareExchange((long volatile *)(d),(long)(e),(long)(c))
-extern int __stdcall TlsAlloc (void);
-extern void * __stdcall TlsGetValue (unsigned);
-extern int __stdcall TlsSetValue (unsigned, void *);
-extern void * __stdcall CreateMutexA(void *, int, char *);
-extern int __stdcall CloseHandle(void *);
-extern unsigned __stdcall WaitForSingleObject (void *, unsigned);
-extern int __stdcall ReleaseMutex (void *);
-
-# 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 __declspec(thread) type name
-# define PIXMAN_GET_THREAD_LOCAL(name) \
- (&name)
-
-#elif defined(HAVE_PTHREAD_SETSPECIFIC)
-
-#include <pthread.h>
-
-# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
- static pthread_once_t tls_ ## name ## _once_control = PTHREAD_ONCE_INIT; \
- static pthread_key_t tls_ ## name ## _key; \
- \
- static void \
- tls_ ## name ## _make_key (void) \
- { \
- pthread_key_create (&tls_ ## name ## _key, NULL); \
- } \
- \
- static type * \
- tls_ ## name ## _alloc (void) \
- { \
- type *value = calloc (1, sizeof (type)); \
- if (value) \
- pthread_setspecific (tls_ ## name ## _key, value); \
- return value; \
- } \
- \
- static force_inline type * \
- tls_ ## name ## _get (void) \
- { \
- type *value = NULL; \
- if (pthread_once (&tls_ ## name ## _once_control, \
- tls_ ## name ## _make_key) == 0) \
- { \
- value = pthread_getspecific (tls_ ## name ## _key); \
- if (!value) \
- value = tls_ ## name ## _alloc (); \
- } \
- return value; \
- }
-
-# define PIXMAN_GET_THREAD_LOCAL(name) \
- tls_ ## name ## _get ()
-
-#else
-
-# error "Unknown thread local support for this system"
-
-#endif
+/* Pixman uses some non-standard compiler features. This file ensures
+ * they exist
+ *
+ * The features are:
+ *
+ * FUNC must be defined to expand to the current function
+ * PIXMAN_EXPORT should be defined to whatever is required to
+ * export functions from a shared library
+ * limits limits for various types must be defined
+ * inline must be defined
+ * force_inline must be defined
+ */
+#if defined (__GNUC__)
+# define FUNC ((const char*) (__PRETTY_FUNCTION__))
+#elif defined (__sun) || (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
+# define FUNC ((const char*) (__func__))
+#else
+# define FUNC ((const char*) ("???"))
+#endif
+
+#ifndef INT16_MIN
+# define INT16_MIN (-32767-1)
+#endif
+
+#ifndef INT16_MAX
+# define INT16_MAX (32767)
+#endif
+
+#ifndef INT32_MIN
+# define INT32_MIN (-2147483647-1)
+#endif
+
+#ifndef INT32_MAX
+# define INT32_MAX (2147483647)
+#endif
+
+#ifndef UINT32_MIN
+# define UINT32_MIN (0)
+#endif
+
+#ifndef UINT32_MAX
+# define UINT32_MAX (4294967295U)
+#endif
+
+#ifndef M_PI
+# define M_PI 3.14159265358979323846
+#endif
+
+#ifdef _MSC_VER
+/* 'inline' is available only in C++ in MSVC */
+# define inline __inline
+# define force_inline __forceinline
+#elif defined __GNUC__ || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
+# define inline __inline__
+# define force_inline __inline__ __attribute__ ((__always_inline__))
+#else
+# ifndef force_inline
+# define force_inline inline
+# endif
+#endif
+
+/* GCC visibility */
+#if defined(__GNUC__) && __GNUC__ >= 4
+# define PIXMAN_EXPORT __attribute__ ((visibility("default")))
+/* Sun Studio 8 visibility */
+#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
+# define PIXMAN_EXPORT __global
+#else
+# define PIXMAN_EXPORT
+#endif
+
+/* TLS */
+#if defined(PIXMAN_NO_TLS)
+
+# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
+ static type name
+# define PIXMAN_GET_THREAD_LOCAL(name) \
+ (&name)
+
+#elif defined(TOOLCHAIN_SUPPORTS__THREAD)
+
+# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
+ static __thread type name
+# define PIXMAN_GET_THREAD_LOCAL(name) \
+ (&name)
+
+#elif defined(__MINGW32__) && !defined(__WIN64)
+
+/* We can't include <windows.h> as it causes carious clashes with
+ * identifiers in pixman, sigh. So just declare the functions we need
+ * here.
+ */
+extern long __stdcall InterlockedCompareExchange(long volatile *, long, long);
+#define InterlockedCompareExchangePointer(d,e,c) \
+ (void *)InterlockedCompareExchange((long volatile *)(d),(long)(e),(long)(c))
+extern int __stdcall TlsAlloc (void);
+extern void * __stdcall TlsGetValue (unsigned);
+extern int __stdcall TlsSetValue (unsigned, void *);
+extern void * __stdcall CreateMutexA(void *, int, char *);
+extern int __stdcall CloseHandle(void *);
+extern unsigned __stdcall WaitForSingleObject (void *, unsigned);
+extern int __stdcall ReleaseMutex (void *);
+
+# 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 __declspec(thread) type name
+# define PIXMAN_GET_THREAD_LOCAL(name) \
+ (&name)
+
+#elif defined(HAVE_PTHREAD_SETSPECIFIC)
+
+#include <pthread.h>
+
+# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
+ static pthread_once_t tls_ ## name ## _once_control = PTHREAD_ONCE_INIT; \
+ 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, \
+ tls_ ## name ## _destroy_value); \
+ } \
+ \
+ static type * \
+ tls_ ## name ## _alloc (void) \
+ { \
+ type *value = calloc (1, sizeof (type)); \
+ if (value) \
+ pthread_setspecific (tls_ ## name ## _key, value); \
+ return value; \
+ } \
+ \
+ static force_inline type * \
+ tls_ ## name ## _get (void) \
+ { \
+ type *value = NULL; \
+ if (pthread_once (&tls_ ## name ## _once_control, \
+ tls_ ## name ## _make_key) == 0) \
+ { \
+ value = pthread_getspecific (tls_ ## name ## _key); \
+ if (!value) \
+ value = tls_ ## name ## _alloc (); \
+ } \
+ return value; \
+ }
+
+# define PIXMAN_GET_THREAD_LOCAL(name) \
+ tls_ ## name ## _get ()
+
+#else
+
+# 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-01 13:18:22 +0000