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fix comments; nicer strdup/strndup

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Daan 2024-05-13 09:02:40 -07:00
parent 0f6d8293c7
commit 13e519202a
3 changed files with 14 additions and 16 deletions
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10
include/mimalloc/prim.h
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@ -14,17 +14,17 @@ terms of the MIT license. A copy of the license can be found in the file
// Each OS/host needs to implement these primitives, see `src/prim`
// for implementations on Window, macOS, WASI, and Linux/Unix.
//
// note: on all primitive functions, we always have result parameters != NUL, and:
// note: on all primitive functions, we always have result parameters != NULL, and:
// addr != NULL and page aligned
// size > 0 and page aligned
// return value is an error code an int where 0 is success.
// the return value is an error code as an `int` where 0 is success
// --------------------------------------------------------------------------
// OS memory configuration
typedef struct mi_os_mem_config_s {
size_t page_size; // 4KiB
size_t large_page_size; // 2MiB
size_t alloc_granularity; // smallest allocation size (on Windows 64KiB)
size_t page_size; // default to 4KiB
size_t large_page_size; // 0 if not supported, usually 2MiB (4MiB on Windows)
size_t alloc_granularity; // smallest allocation size (usually 4KiB, on Windows 64KiB)
bool has_overcommit; // can we reserve more memory than can be actually committed?
bool must_free_whole; // must allocated blocks be freed as a whole (false for mmap, true for VirtualAlloc)
bool has_virtual_reserve; // supports virtual address space reservation? (if true we can reserve virtual address space without using commit or physical memory)