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Increase stack size to 128k and guard size to 16k

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This improves our compatibility with Apple M1.
This commit is contained in:
Justine Tunney 2022-12-18 22:58:29 -08:00
parent 57c0dcdc29
commit dd04aeba1c
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GPG key ID: BE714B4575D6E328
36 changed files with 109 additions and 125 deletions
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2
libc/thread/pthread_attr_init.c
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@ -27,7 +27,7 @@
errno_t pthread_attr_init(pthread_attr_t *attr) {
*attr = (pthread_attr_t){
.__stacksize = GetStackSize(),
.__guardsize = PAGESIZE,
.__guardsize = GUARDSIZE,
};
return 0;
}

6
libc/thread/pthread_create.c
View file

@ -174,12 +174,12 @@ static errno_t pthread_create_impl(pthread_t *thread,
pt->flags = PT_OWNSTACK;
pt->attr.__stacksize = MAX(pt->attr.__stacksize, GetStackSize());
pt->attr.__stacksize = _roundup2pow(pt->attr.__stacksize);
pt->attr.__guardsize = ROUNDUP(pt->attr.__guardsize, PAGESIZE);
if (pt->attr.__guardsize + PAGESIZE >= pt->attr.__stacksize) {
pt->attr.__guardsize = ROUNDUP(pt->attr.__guardsize, GUARDSIZE);
if (pt->attr.__guardsize + GUARDSIZE >= pt->attr.__stacksize) {
_pthread_free(pt);
return EINVAL;
}
if (pt->attr.__guardsize == PAGESIZE) {
if (pt->attr.__guardsize == GUARDSIZE) {
// user is wisely using smaller stacks with default guard size
pt->attr.__stackaddr =
mmap(0, pt->attr.__stacksize, PROT_READ | PROT_WRITE,