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Do more quality assurance work

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Justine Tunney 2024-06-24 06:53:49 -07:00
parent 67b19ae733
commit d461c6f47d
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GPG key ID: BE714B4575D6E328
31 changed files with 194 additions and 108 deletions
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10
libc/intrin/mprotect.c
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@ -91,8 +91,8 @@ int __mprotect(char *addr, size_t size, int prot) {
rc = -1;
} else if (addr <= map_addr) {
// cleave lefthand side of mapping
size_t left = addr + size - map_addr;
size_t right = map_addr + map_size - (addr + size);
size_t left = PGUP(addr + size - map_addr);
size_t right = map_size - left;
struct Map *leftmap;
if ((leftmap = __maps_alloc())) {
if (!__mprotect_chunk(map_addr, left, prot, false)) {
@ -108,6 +108,8 @@ int __mprotect(char *addr, size_t size, int prot) {
map->off += left;
dll_make_first(&__maps.used, &leftmap->elem);
*prev = leftmap;
__maps.count += 1;
__maps_check();
} else {
__maps_free(leftmap);
rc = -1;
@ -135,6 +137,8 @@ int __mprotect(char *addr, size_t size, int prot) {
map->off += left;
dll_make_first(&__maps.used, &leftmap->elem);
*prev = leftmap;
__maps.count += 1;
__maps_check();
} else {
__maps_free(leftmap);
rc = -1;
@ -171,6 +175,8 @@ int __mprotect(char *addr, size_t size, int prot) {
dll_make_first(&__maps.used, &leftmap->elem);
dll_make_first(&__maps.used, &midlmap->elem);
*prev = leftmap;
__maps.count += 2;
__maps_check();
} else {
__maps_free(midlmap);
__maps_free(leftmap);