eina: use portable infrastructure to detect page size.

src/lib/eina/eina_file.c

@@ -37,7 +37,6 @@
 #include <fcntl.h>
 
 #define PATH_DELIM '/'
-#define COPY_BLOCKSIZE (4 * 1024 * 1024)
 
 #include "eina_config.h"
 #include "eina_private.h"
@@ -67,7 +66,7 @@
  * @cond LOCAL
  */
 
-#define EINA_SMALL_PAGE 4096
+#define EINA_SMALL_PAGE eina_cpu_page_size()
 #define EINA_HUGE_PAGE 16 * 1024 * 1024
 
 #ifdef HAVE_DIRENT_H

src/lib/eina/eina_mmap.c

@@ -147,12 +147,8 @@ eina_mmap_safety_enabled_set(Eina_Bool enabled)
         struct sigaction  sa;
 
         /* find out system page size the cleanest way we can */
-#ifdef _SC_PAGESIZE
-        _eina_mmap_pagesize = sysconf(_SC_PAGESIZE);
-        if (_eina_mmap_pagesize <= 0) return EINA_FALSE;
-#else
-        _eina_mmap_pagesize = 4096;
-#endif
+        _eina_mmap_pagesize = eina_cpu_page_size();
+
         /* no zero page device - open it */
         if (_eina_mmap_zero_fd < 0)
           {
@@ -169,7 +165,6 @@ eina_mmap_safety_enabled_set(Eina_Bool enabled)
              flags |= FD_CLOEXEC;
              fcntl(_eina_mmap_zero_fd, F_SETFD, flags);
 #endif
-	     
           }
         /* set up signal handler for SIGBUS */
         sa.sa_sigaction = _eina_mmap_safe_sigbus;

src/modules/eina/mp/chained_pool/eina_chained_mempool.c

@@ -65,6 +65,7 @@ static int _eina_chained_mp_log_dom = -1;
 #endif
 
 static int aligned_chained_pool = 0;
+static int page_size = 0;
 
 typedef struct _Chained_Mempool Chained_Mempool;
 struct _Chained_Mempool
@@ -467,8 +468,8 @@ eina_chained_mempool_init(const char *context,
 
    mp->item_alloc = eina_mempool_alignof(item_size);
 
-   mp->pool_size = (((((mp->item_alloc * mp->pool_size + aligned_chained_pool) / 4096) 
-		      + 1) * 4096)
+   mp->pool_size = (((((mp->item_alloc * mp->pool_size + aligned_chained_pool) / page_size)
+		      + 1) * page_size)
 		    - aligned_chained_pool) / mp->item_alloc;
 
 #ifdef EINA_DEBUG_MALLOC
@@ -558,6 +559,7 @@ Eina_Bool chained_init(void)
 
 #endif
    aligned_chained_pool = eina_mempool_alignof(sizeof(Chained_Pool));
+   page_size = eina_cpu_page_size();
 
    return eina_mempool_register(&_eina_chained_mp_backend);
 }

src/tests/eina/eina_test_file.c

@@ -266,8 +266,8 @@ START_TEST(eina_file_map_new_test)
    char *test_file_path, *test_file2_path;
    char *big_buffer;
    const char *template = "abcdefghijklmnopqrstuvwxyz";
-   int template_size = strlen (template);
-   int memory_page_size = sysconf(_SC_PAGE_SIZE);
+   int template_size = strlen(template);
+   int memory_page_size = eina_cpu_page_size();
    const int big_buffer_size = memory_page_size * 1.5;
    const int iteration_number = big_buffer_size / template_size;
    int test_string_length = strlen(eina_map_test_string);