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Reduce pthread memory usage

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Justine Tunney 2024-12-24 10:30:59 -08:00
parent ec2db4e40e
commit 93e22c581f
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GPG key ID: BE714B4575D6E328
6 changed files with 75 additions and 58 deletions
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6
libc/intrin/stack.c
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@ -64,7 +64,7 @@ static struct CosmoStacks cosmo_stacks = {
};
static struct CosmoStacksConfig cosmo_stacks_config = {
.maxstacks = 16,
.maxstacks = 3,
};
void cosmo_stack_lock(void) {
@ -169,7 +169,7 @@ int cosmo_stack_getmaxstacks(void) {
*
* Please note this limit only applies to stacks that aren't in use.
*
* Your default is sixteen stacks may be cached at any given moment.
* Your default is three stacks may be cached at any given moment.
*
* If `maxstacks` is less than the current cache size, then surplus
* entries will be evicted and freed before this function returns.
@ -292,10 +292,10 @@ errno_t cosmo_stack_free(void *stackaddr, unsigned stacksize,
return EINVAL;
if ((uintptr_t)stackaddr & (__gransize - 1))
return EINVAL;
cosmo_once(&cosmo_stacks.once, cosmo_stack_setup);
cosmo_stack_lock();
struct Dll *surplus = 0;
if (cosmo_stacks_config.maxstacks) {
cosmo_once(&cosmo_stacks.once, cosmo_stack_setup);
surplus = cosmo_stack_decimate(cosmo_stacks_config.maxstacks - 1);
struct CosmoStack *ts = 0;
if (dll_is_empty(cosmo_stacks.objects))