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Evas: Add debug env var EVAS_IMAGE_NO_MMAP 

Looking for image buffer memory leaks with Valgrind is impossible
when all images are mmaped. This is intended as a DEBUG environment
variable only.
This commit is contained in:
Jean-Philippe Andre 2015-08-18 11:27:17 +09:00
parent 6124d07336
commit ea001c3ec1
1 changed files with 13 additions and 3 deletions
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16
src/lib/evas/common/evas_image_main.c
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@ -28,6 +28,7 @@ static Evas_Cache_Image * eci = NULL;
static Evas_Cache2 * eci2 = NULL;
#endif
static int reference = 0;
static int evas_image_no_mmap = -1;
/* static RGBA_Image *evas_rgba_line_buffer = NULL; */
@ -125,6 +126,14 @@ _evas_common_rgba_image_surface_size(unsigned int w, unsigned int h,
int siz, block_size = 8;
Eina_Bool reset_borders = EINA_TRUE;
if (EINA_UNLIKELY(evas_image_no_mmap == -1))
{
const char *s = getenv("EVAS_IMAGE_NO_MMAP");
evas_image_no_mmap = s && (atoi(s));
if (evas_image_no_mmap)
WRN("EVAS_IMAGE_NO_MMAP is set, use this only for debugging purposes!");
}
switch (cspace)
{
case EVAS_COLORSPACE_GRY8: siz = w * h * sizeof(DATA8); break;
@ -162,7 +171,8 @@ _evas_common_rgba_image_surface_size(unsigned int w, unsigned int h,
if (b) *b = 0;
}
if (siz < PAGE_SIZE) return siz;
if ((siz < PAGE_SIZE) || evas_image_no_mmap)
return siz;
return ALIGN_TO_PAGE(siz);
@ -187,7 +197,7 @@ _evas_common_rgba_image_surface_mmap(Image_Entry *ie, unsigned int w, unsigned i
if (siz < 0)
return NULL;
if (siz < PAGE_SIZE)
if ((siz < PAGE_SIZE) || evas_image_no_mmap)
return malloc(siz);
if (siz > ((HUGE_PAGE_SIZE * 75) / 100))
@ -211,7 +221,7 @@ _evas_common_rgba_image_surface_munmap(void *data, unsigned int w, unsigned int
size_t siz;
siz = _evas_common_rgba_image_surface_size(w, h, cspace, NULL, NULL, NULL, NULL);
if (siz < PAGE_SIZE)
if ((siz < PAGE_SIZE) || evas_image_no_mmap)
free(data);
else
munmap(data, siz);