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eo, autotools: check for mmap feature rather than OS (mmap is POSIX)

This commit is contained in:
Daniel Kolesa 2014-08-21 11:53:41 +01:00
parent 5747c6fcea
commit 78acf69e20
3 changed files with 8 additions and 7 deletions
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1
configure.ac
View File

@ -585,6 +585,7 @@ pause \
])
AC_FUNC_ALLOCA
AC_FUNC_MMAP
EFL_CHECK_FUNCS([EFLALL], [fnmatch gettimeofday dirfd fcntl])

6
src/lib/eo/eo.c
View File

@ -289,7 +289,7 @@ typedef struct _Eo_Call_Stack {
static void *
_eo_call_stack_mem_alloc(size_t maxsize)
{
#if defined (__linux__) || defined (__MacOSX__)
#ifdef HAVE_MMAP
// allocate eo call stack via mmped anon segment if on linux - more
// secure and safe. also gives page aligned memory allowing madvise
void *ptr;
@ -310,7 +310,7 @@ _eo_call_stack_mem_alloc(size_t maxsize)
#endif
}
#if defined (__linux__) || defined (__MacOSX__)
#ifdef HAVE_MMAP
static void
_eo_call_stack_mem_resize(void **ptr EINA_UNUSED, size_t newsize, size_t maxsize)
{
@ -331,7 +331,7 @@ _eo_call_stack_mem_resize(void **ptr EINA_UNUSED, size_t newsize EINA_UNUSED, si
#endif
}
#if defined (__linux__) || defined (__MacOSX__)
#ifdef HAVE_MMAP
static void
_eo_call_stack_mem_free(void *ptr, size_t maxsize)
{

8
src/lib/eo/eo_ptr_indirection.x
View File

@ -1,5 +1,5 @@
#include <assert.h>
#if defined (__linux__) || defined (__MacOSX__)
#ifdef HAVE_MMAP
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@ -119,7 +119,7 @@ typedef struct _Mem_Header
static void *
_eo_id_mem_alloc(size_t size)
{
#if defined (__linux__) || defined (__MacOSX__)
#ifdef HAVE_MMAP
void *ptr;
Mem_Header *hdr;
size_t newsize;
@ -154,7 +154,7 @@ _eo_id_mem_calloc(size_t num, size_t size)
static void
_eo_id_mem_free(void *ptr)
{
#if defined (__linux__) || defined (__MacOSX__)
#ifdef HAVE_MMAP
Mem_Header *hdr;
if (!ptr) return;
hdr = (Mem_Header *)(((unsigned char *)ptr) - MEM_HEADER_SIZE);
@ -173,7 +173,7 @@ _eo_id_mem_free(void *ptr)
static void
_eo_id_mem_protect(void *ptr, Eina_Bool may_not_write)
{
# if defined (__linux__) || defined (__MacOSX__)
# ifdef HAVE_MMAP
Mem_Header *hdr;
if (!ptr) return;
hdr = (Mem_Header *)(((unsigned char *)ptr) - MEM_HEADER_SIZE);