Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.

1 files changed, 183 insertions, 183 deletions

diff --git a/contrib/libs/cxxsupp/builtins/emutls.c b/contrib/libs/cxxsupp/builtins/emutls.c
index 09e79568bd..c2c4318fd4 100644
--- a/contrib/libs/cxxsupp/builtins/emutls.c
+++ b/contrib/libs/cxxsupp/builtins/emutls.c
@@ -1,183 +1,183 @@
-/* ===---------- emutls.c - Implements __emutls_get_address ---------------===
- *
- *                     The LLVM Compiler Infrastructure
- *
- * This file is dual licensed under the MIT and the University of Illinois Open
- * Source Licenses. See LICENSE.TXT for details.
- *
- * ===----------------------------------------------------------------------===
- */
-#include <pthread.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "int_lib.h"
-#include "int_util.h"
-
-/* Default is not to use posix_memalign, so systems like Android
- * can use thread local data without heavier POSIX memory allocators.
- */
-#ifndef EMUTLS_USE_POSIX_MEMALIGN
-#define EMUTLS_USE_POSIX_MEMALIGN 0
-#endif
-
-/* For every TLS variable xyz,
- * there is one __emutls_control variable named __emutls_v.xyz.
- * If xyz has non-zero initial value, __emutls_v.xyz's "value"
- * will point to __emutls_t.xyz, which has the initial value.
- */
-typedef struct __emutls_control {
-    size_t size;  /* size of the object in bytes */
-    size_t align;  /* alignment of the object in bytes */
-    union {
-        uintptr_t index;  /* data[index-1] is the object address */
-        void* address;  /* object address, when in single thread env */
-    } object;
-    void* value;  /* null or non-zero initial value for the object */
-} __emutls_control;
-
-static __inline void *emutls_memalign_alloc(size_t align, size_t size) {
-    void *base;
-#if EMUTLS_USE_POSIX_MEMALIGN
-    if (posix_memalign(&base, align, size) != 0)
-        abort();
-#else
-    #define EXTRA_ALIGN_PTR_BYTES (align - 1 + sizeof(void*))
-    char* object;
-    if ((object = malloc(EXTRA_ALIGN_PTR_BYTES + size)) == NULL)
-        abort();
-    base = (void*)(((uintptr_t)(object + EXTRA_ALIGN_PTR_BYTES))
-                    & ~(uintptr_t)(align - 1));
-
-    ((void**)base)[-1] = object;
-#endif
-    return base;
-}
-
-static __inline void emutls_memalign_free(void *base) {
-#if EMUTLS_USE_POSIX_MEMALIGN
-    free(base);
-#else
-    /* The mallocated address is in ((void**)base)[-1] */
-    free(((void**)base)[-1]);
-#endif
-}
-
-/* Emulated TLS objects are always allocated at run-time. */
-static __inline void *emutls_allocate_object(__emutls_control *control) {
-    /* Use standard C types, check with gcc's emutls.o. */
-    typedef unsigned int gcc_word __attribute__((mode(word)));
-    typedef unsigned int gcc_pointer __attribute__((mode(pointer)));
-    COMPILE_TIME_ASSERT(sizeof(size_t) == sizeof(gcc_word));
-    COMPILE_TIME_ASSERT(sizeof(uintptr_t) == sizeof(gcc_pointer));
-    COMPILE_TIME_ASSERT(sizeof(uintptr_t) == sizeof(void*));
-
-    size_t size = control->size;
-    size_t align = control->align;
-    if (align < sizeof(void*))
-        align = sizeof(void*);
-    /* Make sure that align is power of 2. */
-    if ((align & (align - 1)) != 0)
-        abort();
-
-    void* base = emutls_memalign_alloc(align, size);
-    if (control->value)
-        memcpy(base, control->value, size);
-    else
-        memset(base, 0, size);
-    return base;
-}
-
-static pthread_mutex_t emutls_mutex = PTHREAD_MUTEX_INITIALIZER;
-
-static size_t emutls_num_object = 0;  /* number of allocated TLS objects */
-
-typedef struct emutls_address_array {
-    uintptr_t size;  /* number of elements in the 'data' array */
-    void* data[];
-} emutls_address_array;
-
-static pthread_key_t emutls_pthread_key;
-
-static void emutls_key_destructor(void* ptr) {
-    emutls_address_array* array = (emutls_address_array*)ptr;
-    uintptr_t i;
-    for (i = 0; i < array->size; ++i) {
-        if (array->data[i])
-            emutls_memalign_free(array->data[i]);
-    }
-    free(ptr);
-}
-
-static void emutls_init(void) {
-    if (pthread_key_create(&emutls_pthread_key, emutls_key_destructor) != 0)
-        abort();
-}
-
-/* Returns control->object.index; set index if not allocated yet. */
-static __inline uintptr_t emutls_get_index(__emutls_control *control) {
-    uintptr_t index = __atomic_load_n(&control->object.index, __ATOMIC_ACQUIRE);
-    if (!index) {
-        static pthread_once_t once = PTHREAD_ONCE_INIT;
-        pthread_once(&once, emutls_init);
-        pthread_mutex_lock(&emutls_mutex);
-        index = control->object.index;
-        if (!index) {
-            index = ++emutls_num_object;
-            __atomic_store_n(&control->object.index, index, __ATOMIC_RELEASE);
-        }
-        pthread_mutex_unlock(&emutls_mutex);
-    }
-    return index;
-}
-
-/* Updates newly allocated thread local emutls_address_array. */
-static __inline void emutls_check_array_set_size(emutls_address_array *array,
-                                                 uintptr_t size) {
-    if (array == NULL)
-        abort();
-    array->size = size;
-    pthread_setspecific(emutls_pthread_key, (void*)array);
-}
-
-/* Returns the new 'data' array size, number of elements,
- * which must be no smaller than the given index.
- */
-static __inline uintptr_t emutls_new_data_array_size(uintptr_t index) {
-   /* Need to allocate emutls_address_array with one extra slot
-    * to store the data array size.
-    * Round up the emutls_address_array size to multiple of 16.
-    */
-    return ((index + 1 + 15) & ~((uintptr_t)15)) - 1;
-}
-
-/* Returns the thread local emutls_address_array.
- * Extends its size if necessary to hold address at index.
- */
-static __inline emutls_address_array *
-emutls_get_address_array(uintptr_t index) {
-    emutls_address_array* array = pthread_getspecific(emutls_pthread_key);
-    if (array == NULL) {
-        uintptr_t new_size = emutls_new_data_array_size(index);
-        array = calloc(new_size + 1, sizeof(void*));
-        emutls_check_array_set_size(array, new_size);
-    } else if (index > array->size) {
-        uintptr_t orig_size = array->size;
-        uintptr_t new_size = emutls_new_data_array_size(index);
-        array = realloc(array, (new_size + 1) * sizeof(void*));
-        if (array)
-            memset(array->data + orig_size, 0,
-                   (new_size - orig_size) * sizeof(void*));
-        emutls_check_array_set_size(array, new_size);
-    }
-    return array;
-}
-
-void* __emutls_get_address(__emutls_control* control) {
-    uintptr_t index = emutls_get_index(control);
-    emutls_address_array* array = emutls_get_address_array(index);
-    if (array->data[index - 1] == NULL)
-        array->data[index - 1] = emutls_allocate_object(control);
-    return array->data[index - 1];
-}
+/* ===---------- emutls.c - Implements __emutls_get_address ---------------=== 
+ * 
+ *                     The LLVM Compiler Infrastructure 
+ * 
+ * This file is dual licensed under the MIT and the University of Illinois Open 
+ * Source Licenses. See LICENSE.TXT for details. 
+ * 
+ * ===----------------------------------------------------------------------=== 
+ */ 
+#include <pthread.h> 
+#include <stdint.h> 
+#include <stdlib.h> 
+#include <string.h> 
+ 
+#include "int_lib.h" 
+#include "int_util.h" 
+ 
+/* Default is not to use posix_memalign, so systems like Android 
+ * can use thread local data without heavier POSIX memory allocators. 
+ */ 
+#ifndef EMUTLS_USE_POSIX_MEMALIGN 
+#define EMUTLS_USE_POSIX_MEMALIGN 0 
+#endif 
+ 
+/* For every TLS variable xyz, 
+ * there is one __emutls_control variable named __emutls_v.xyz. 
+ * If xyz has non-zero initial value, __emutls_v.xyz's "value" 
+ * will point to __emutls_t.xyz, which has the initial value. 
+ */ 
+typedef struct __emutls_control { 
+    size_t size;  /* size of the object in bytes */ 
+    size_t align;  /* alignment of the object in bytes */ 
+    union { 
+        uintptr_t index;  /* data[index-1] is the object address */ 
+        void* address;  /* object address, when in single thread env */ 
+    } object; 
+    void* value;  /* null or non-zero initial value for the object */ 
+} __emutls_control; 
+ 
+static __inline void *emutls_memalign_alloc(size_t align, size_t size) { 
+    void *base; 
+#if EMUTLS_USE_POSIX_MEMALIGN 
+    if (posix_memalign(&base, align, size) != 0) 
+        abort(); 
+#else 
+    #define EXTRA_ALIGN_PTR_BYTES (align - 1 + sizeof(void*)) 
+    char* object; 
+    if ((object = malloc(EXTRA_ALIGN_PTR_BYTES + size)) == NULL) 
+        abort(); 
+    base = (void*)(((uintptr_t)(object + EXTRA_ALIGN_PTR_BYTES)) 
+                    & ~(uintptr_t)(align - 1)); 
+ 
+    ((void**)base)[-1] = object; 
+#endif 
+    return base; 
+} 
+ 
+static __inline void emutls_memalign_free(void *base) { 
+#if EMUTLS_USE_POSIX_MEMALIGN 
+    free(base); 
+#else 
+    /* The mallocated address is in ((void**)base)[-1] */ 
+    free(((void**)base)[-1]); 
+#endif 
+} 
+ 
+/* Emulated TLS objects are always allocated at run-time. */ 
+static __inline void *emutls_allocate_object(__emutls_control *control) { 
+    /* Use standard C types, check with gcc's emutls.o. */ 
+    typedef unsigned int gcc_word __attribute__((mode(word))); 
+    typedef unsigned int gcc_pointer __attribute__((mode(pointer))); 
+    COMPILE_TIME_ASSERT(sizeof(size_t) == sizeof(gcc_word)); 
+    COMPILE_TIME_ASSERT(sizeof(uintptr_t) == sizeof(gcc_pointer)); 
+    COMPILE_TIME_ASSERT(sizeof(uintptr_t) == sizeof(void*)); 
+ 
+    size_t size = control->size; 
+    size_t align = control->align; 
+    if (align < sizeof(void*)) 
+        align = sizeof(void*); 
+    /* Make sure that align is power of 2. */ 
+    if ((align & (align - 1)) != 0) 
+        abort(); 
+ 
+    void* base = emutls_memalign_alloc(align, size); 
+    if (control->value) 
+        memcpy(base, control->value, size); 
+    else 
+        memset(base, 0, size); 
+    return base; 
+} 
+ 
+static pthread_mutex_t emutls_mutex = PTHREAD_MUTEX_INITIALIZER; 
+ 
+static size_t emutls_num_object = 0;  /* number of allocated TLS objects */ 
+ 
+typedef struct emutls_address_array { 
+    uintptr_t size;  /* number of elements in the 'data' array */ 
+    void* data[]; 
+} emutls_address_array; 
+ 
+static pthread_key_t emutls_pthread_key; 
+ 
+static void emutls_key_destructor(void* ptr) { 
+    emutls_address_array* array = (emutls_address_array*)ptr; 
+    uintptr_t i; 
+    for (i = 0; i < array->size; ++i) { 
+        if (array->data[i]) 
+            emutls_memalign_free(array->data[i]); 
+    } 
+    free(ptr); 
+} 
+ 
+static void emutls_init(void) { 
+    if (pthread_key_create(&emutls_pthread_key, emutls_key_destructor) != 0) 
+        abort(); 
+} 
+ 
+/* Returns control->object.index; set index if not allocated yet. */ 
+static __inline uintptr_t emutls_get_index(__emutls_control *control) { 
+    uintptr_t index = __atomic_load_n(&control->object.index, __ATOMIC_ACQUIRE); 
+    if (!index) { 
+        static pthread_once_t once = PTHREAD_ONCE_INIT; 
+        pthread_once(&once, emutls_init); 
+        pthread_mutex_lock(&emutls_mutex); 
+        index = control->object.index; 
+        if (!index) { 
+            index = ++emutls_num_object; 
+            __atomic_store_n(&control->object.index, index, __ATOMIC_RELEASE); 
+        } 
+        pthread_mutex_unlock(&emutls_mutex); 
+    } 
+    return index; 
+} 
+ 
+/* Updates newly allocated thread local emutls_address_array. */ 
+static __inline void emutls_check_array_set_size(emutls_address_array *array, 
+                                                 uintptr_t size) { 
+    if (array == NULL) 
+        abort(); 
+    array->size = size; 
+    pthread_setspecific(emutls_pthread_key, (void*)array); 
+} 
+ 
+/* Returns the new 'data' array size, number of elements, 
+ * which must be no smaller than the given index. 
+ */ 
+static __inline uintptr_t emutls_new_data_array_size(uintptr_t index) { 
+   /* Need to allocate emutls_address_array with one extra slot 
+    * to store the data array size. 
+    * Round up the emutls_address_array size to multiple of 16. 
+    */ 
+    return ((index + 1 + 15) & ~((uintptr_t)15)) - 1; 
+} 
+ 
+/* Returns the thread local emutls_address_array. 
+ * Extends its size if necessary to hold address at index. 
+ */ 
+static __inline emutls_address_array * 
+emutls_get_address_array(uintptr_t index) { 
+    emutls_address_array* array = pthread_getspecific(emutls_pthread_key); 
+    if (array == NULL) { 
+        uintptr_t new_size = emutls_new_data_array_size(index); 
+        array = calloc(new_size + 1, sizeof(void*)); 
+        emutls_check_array_set_size(array, new_size); 
+    } else if (index > array->size) { 
+        uintptr_t orig_size = array->size; 
+        uintptr_t new_size = emutls_new_data_array_size(index); 
+        array = realloc(array, (new_size + 1) * sizeof(void*)); 
+        if (array) 
+            memset(array->data + orig_size, 0, 
+                   (new_size - orig_size) * sizeof(void*)); 
+        emutls_check_array_set_size(array, new_size); 
+    } 
+    return array; 
+} 
+ 
+void* __emutls_get_address(__emutls_control* control) { 
+    uintptr_t index = emutls_get_index(control); 
+    emutls_address_array* array = emutls_get_address_array(index); 
+    if (array->data[index - 1] == NULL) 
+        array->data[index - 1] = emutls_allocate_object(control); 
+    return array->data[index - 1]; 
+}