kiper220/mimalloc
1
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2025-07-06 19:38:41 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

extend primitive api with is_zero parameters

Browse source
This commit is contained in:
daanx 2023-04-04 16:32:39 -07:00
parent db74fc0c98
commit d01017ffda
10 changed files with 71 additions and 52 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/prim/unix/prim.c
View file

@ -313,12 +313,13 @@ static void* unix_mmap(void* addr, size_t size, size_t try_alignment, int protec
}
// Note: the `try_alignment` is just a hint and the returned pointer is not guaranteed to be aligned.
int _mi_prim_alloc(size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, void** addr) {
int _mi_prim_alloc(size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, bool* is_zero, void** addr) {
mi_assert_internal(size > 0 && (size % _mi_os_page_size()) == 0);
mi_assert_internal(commit || !allow_large);
mi_assert_internal(try_alignment > 0);
int protect_flags = (commit ? (PROT_WRITE | PROT_READ) : PROT_NONE);
*is_zero = true;
int protect_flags = (commit ? (PROT_WRITE | PROT_READ) : PROT_NONE);
*addr = unix_mmap(NULL, size, try_alignment, protect_flags, false, allow_large, is_large);
return (*addr != NULL ? 0 : errno);
}
@ -417,8 +418,9 @@ static long mi_prim_mbind(void* start, unsigned long len, unsigned long mode, co
}
#endif
int _mi_prim_alloc_huge_os_pages(void* hint_addr, size_t size, int numa_node, void** addr) {
int _mi_prim_alloc_huge_os_pages(void* hint_addr, size_t size, int numa_node, bool* is_zero, void** addr) {
bool is_large = true;
*is_zero = true;
*addr = unix_mmap(hint_addr, size, MI_SEGMENT_SIZE, PROT_READ | PROT_WRITE, true, true, &is_large);
if (*addr != NULL && numa_node >= 0 && numa_node < 8*MI_INTPTR_SIZE) { // at most 64 nodes
unsigned long numa_mask = (1UL << numa_node);
@ -436,8 +438,9 @@ int _mi_prim_alloc_huge_os_pages(void* hint_addr, size_t size, int numa_node, vo
#else
int _mi_prim_alloc_huge_os_pages(void* hint_addr, size_t size, int numa_node, void** addr) {
int _mi_prim_alloc_huge_os_pages(void* hint_addr, size_t size, int numa_node, bool* is_zero, void** addr) {
MI_UNUSED(hint_addr); MI_UNUSED(size); MI_UNUSED(numa_node);
*is_zero = true;
*addr = NULL;
return ENOMEM;
}

6
src/prim/wasi/prim.c
View file

@ -114,9 +114,10 @@ static void* mi_prim_mem_grow(size_t size, size_t try_alignment) {
}
// Note: the `try_alignment` is just a hint and the returned pointer is not guaranteed to be aligned.
int _mi_prim_alloc(size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, void** addr) {
int _mi_prim_alloc(size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, bool* is_zero, void** addr) {
MI_UNUSED(allow_large); MI_UNUSED(commit);
*is_large = false;
*is_zero = false;
*addr = mi_prim_mem_grow(size, try_alignment);
return (*addr != NULL ? 0 : ENOMEM);
}
@ -152,8 +153,9 @@ int _mi_prim_protect(void* addr, size_t size, bool protect) {
// Huge pages and NUMA nodes
//---------------------------------------------
int _mi_prim_alloc_huge_os_pages(void* hint_addr, size_t size, int numa_node, void** addr) {
int _mi_prim_alloc_huge_os_pages(void* hint_addr, size_t size, int numa_node, bool* is_zero, void** addr) {
MI_UNUSED(hint_addr); MI_UNUSED(size); MI_UNUSED(numa_node);
*is_zero = true;
*addr = NULL;
return ENOSYS;
}

6
src/prim/windows/prim.c
View file

@ -239,10 +239,11 @@ static void* win_virtual_alloc(void* addr, size_t size, size_t try_alignment, DW
return p;
}
int _mi_prim_alloc(size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, void** addr) {
int _mi_prim_alloc(size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, bool* is_zero, void** addr) {
mi_assert_internal(size > 0 && (size % _mi_os_page_size()) == 0);
mi_assert_internal(commit || !allow_large);
mi_assert_internal(try_alignment > 0);
*is_zero = true;
int flags = MEM_RESERVE;
if (commit) { flags |= MEM_COMMIT; }
*addr = win_virtual_alloc(NULL, size, try_alignment, flags, false, allow_large, is_large);
@ -331,7 +332,8 @@ static void* _mi_prim_alloc_huge_os_pagesx(void* hint_addr, size_t size, int num
return VirtualAlloc(hint_addr, size, flags, PAGE_READWRITE);
}
int _mi_prim_alloc_huge_os_pages(void* hint_addr, size_t size, int numa_node, void** addr) {
int _mi_prim_alloc_huge_os_pages(void* hint_addr, size_t size, int numa_node, bool* is_zero, void** addr) {
*is_zero = true;
*addr = _mi_prim_alloc_huge_os_pagesx(hint_addr,size,numa_node);
return (*addr != NULL ? 0 : (int)GetLastError());
}