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Release Cosmopolitan v3.6.0

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This release is an atomic upgrade to GCC 14.1.0 with C23 and C++23
This commit is contained in:
Justine Tunney 2024-07-23 03:16:17 -07:00
parent 62ace3623a
commit 5660ec4741
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GPG key ID: BE714B4575D6E328
1585 changed files with 117353 additions and 271644 deletions
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4
libc/intrin/maps.h
View file

@ -20,14 +20,14 @@ struct Map {
intptr_t hand; /* windows nt only */
union {
struct Tree tree;
struct Map *free;
struct Map *freed;
};
};
struct Maps {
atomic_int lock;
struct Tree *maps;
_Atomic(struct Map *) free;
_Atomic(struct Map *) freed;
size_t count;
size_t pages;
_Atomic(char *) pick;

24
libc/intrin/mmap.c
View file

@ -131,7 +131,7 @@ static int __muntrack(char *addr, size_t size, int pagesz,
if (addr <= map_addr && addr + PGUP(size) >= map_addr + PGUP(map_size)) {
// remove mapping completely
tree_remove(&__maps.maps, &map->tree);
map->free = *deleted;
map->freed = *deleted;
*deleted = map;
__maps.pages -= (map_size + pagesz - 1) / pagesz;
__maps.count -= 1;
@ -155,7 +155,7 @@ static int __muntrack(char *addr, size_t size, int pagesz,
__maps.pages -= (left + pagesz - 1) / pagesz;
leftmap->addr = map_addr;
leftmap->size = left;
leftmap->free = *deleted;
leftmap->freed = *deleted;
*deleted = leftmap;
__maps_check();
} else {
@ -171,7 +171,7 @@ static int __muntrack(char *addr, size_t size, int pagesz,
__maps.pages -= (right + pagesz - 1) / pagesz;
rightmap->addr = addr;
rightmap->size = right;
rightmap->free = *deleted;
rightmap->freed = *deleted;
*deleted = rightmap;
__maps_check();
} else {
@ -200,7 +200,7 @@ static int __muntrack(char *addr, size_t size, int pagesz,
__maps.count += 1;
middlemap->addr = addr;
middlemap->size = size;
middlemap->free = *deleted;
middlemap->freed = *deleted;
*deleted = middlemap;
__maps_check();
} else {
@ -217,9 +217,9 @@ static int __muntrack(char *addr, size_t size, int pagesz,
void __maps_free(struct Map *map) {
map->size = 0;
map->addr = MAP_FAILED;
map->free = atomic_load_explicit(&__maps.free, memory_order_relaxed);
map->freed = atomic_load_explicit(&__maps.freed, memory_order_relaxed);
for (;;) {
if (atomic_compare_exchange_weak_explicit(&__maps.free, &map->free, map,
if (atomic_compare_exchange_weak_explicit(&__maps.freed, &map->freed, map,
memory_order_release,
memory_order_relaxed))
break;
@ -229,7 +229,7 @@ void __maps_free(struct Map *map) {
static void __maps_free_all(struct Map *list) {
struct Map *next;
for (struct Map *map = list; map; map = next) {
next = map->free;
next = map->freed;
__maps_free(map);
}
}
@ -285,9 +285,9 @@ static void __maps_insert(struct Map *map) {
struct Map *__maps_alloc(void) {
struct Map *map;
map = atomic_load_explicit(&__maps.free, memory_order_relaxed);
map = atomic_load_explicit(&__maps.freed, memory_order_relaxed);
while (map) {
if (atomic_compare_exchange_weak_explicit(&__maps.free, &map, map->free,
if (atomic_compare_exchange_weak_explicit(&__maps.freed, &map, map->freed,
memory_order_acquire,
memory_order_relaxed))
return map;
@ -346,7 +346,7 @@ static int __munmap(char *addr, size_t size) {
// delete mappings
int rc = 0;
for (struct Map *map = deleted; map; map = map->free) {
for (struct Map *map = deleted; map; map = map->freed) {
if (!IsWindows()) {
if (sys_munmap(map->addr, map->size))
rc = -1;
@ -359,7 +359,7 @@ static int __munmap(char *addr, size_t size) {
}
}
// free mappings
// freed mappings
__maps_free_all(deleted);
return rc;
@ -451,7 +451,7 @@ TryAgain:
}
// polyfill map fixed noreplace
// we assume non-linux gives us addr if it's free
// we assume non-linux gives us addr if it's freed
// that's what linux (e.g. rhel7) did before noreplace
if (noreplace && res.addr != addr) {
if (!IsWindows()) {