diff options
Diffstat (limited to 'erts/emulator/sys/win32')
-rw-r--r-- | erts/emulator/sys/win32/erl_win_sys.h | 2 | ||||
-rwxr-xr-x | erts/emulator/sys/win32/sys.c | 26 |
2 files changed, 27 insertions, 1 deletions
diff --git a/erts/emulator/sys/win32/erl_win_sys.h b/erts/emulator/sys/win32/erl_win_sys.h index 66ba6c002b..0deb097b1a 100644 --- a/erts/emulator/sys/win32/erl_win_sys.h +++ b/erts/emulator/sys/win32/erl_win_sys.h @@ -94,6 +94,8 @@ # define ERTS_I64_LITERAL(X) X##i64 #endif +#define ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC 1 + /* * Practial Windows specific macros. */ diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c index 93bbae7dee..f6bd2b1b0f 100755 --- a/erts/emulator/sys/win32/sys.c +++ b/erts/emulator/sys/win32/sys.c @@ -32,7 +32,7 @@ #include "erl_threads.h" #include "../../drivers/win32/win_con.h" #include "erl_cpu_topology.h" - +#include <malloc.h> void erts_sys_init_float(void); @@ -2754,6 +2754,30 @@ void erts_sys_free(ErtsAlcType_t t, void *x, void *p) free(p); } +void *erts_sys_aligned_alloc(UWord alignment, UWord size) +{ + void *ptr; + ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */ + ptr = _aligned_malloc((size_t) size, (size_t) alignment); + ASSERT(!ptr || (((UWord) ptr) & (alignment - 1)) == 0); + return ptr; +} + +void erts_sys_aligned_free(UWord alignment, void *ptr) +{ + ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */ + _aligned_free(ptr); +} + +void *erts_sys_aligned_realloc(UWord alignment, void *ptr, UWord size, UWord old_size) +{ + void *new_ptr; + ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */ + new_ptr = _aligned_realloc(ptr, (size_t) size, (size_t) alignment); + ASSERT(!new_ptr || (((UWord) new_ptr) & (alignment - 1)) == 0); + return new_ptr; +} + static Preload* preloaded = NULL; static unsigned* res_name = NULL; static int num_preloaded = 0; |