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Simplify memory manager

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Justine Tunney 2024-07-04 10:52:16 -07:00
parent 5a9a08d1cf
commit 01587de761
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GPG key ID: BE714B4575D6E328
40 changed files with 451 additions and 311 deletions
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14
libc/intrin/maps.h
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@ -8,7 +8,6 @@ COSMOPOLITAN_C_START_
#define MAP_CONTAINER(e) DLL_CONTAINER(struct Map, elem, e)
struct Map {
struct Map *next; /* for __maps.maps */
char *addr; /* granule aligned */
size_t size; /* must be nonzero */
struct Dll elem; /* for __maps.free */
@ -18,18 +17,20 @@ struct Map {
bool iscow; /* windows nt only */
bool readonlyfile; /* windows nt only */
unsigned visited; /* used for checks */
intptr_t h; /* windows nt only */
intptr_t hand; /* windows nt only */
};
struct Maps {
unsigned mono;
atomic_int lock;
struct Map *maps;
struct Dll *free;
struct Map stack;
struct Dll *used;
size_t count;
size_t pages;
struct Map stack;
struct Map guard;
bool once;
atomic_ulong rollo;
};
struct AddrSize {
@ -40,16 +41,15 @@ struct AddrSize {
extern struct Maps __maps;
void __maps_init(void);
void __maps_lock(void);
bool __maps_lock(void);
void __maps_check(void);
void __maps_unlock(void);
void __maps_add(struct Map *);
struct Map *__maps_alloc(void);
void __maps_free(struct Map *);
void __maps_insert(struct Map *);
int __munmap(char *, size_t, bool);
void *__mmap(char *, size_t, int, int, int, int64_t);
void __maps_stack(void *, int, size_t, int, intptr_t);
void __maps_stack(char *, int, int, size_t, int, intptr_t);
struct AddrSize __get_main_stack(void);
COSMOPOLITAN_C_END_