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Make bulk_free() go faster

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Justine Tunney 2024-12-23 20:14:01 -08:00
parent 624573207e
commit c8e10eef30
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GPG key ID: BE714B4575D6E328
13 changed files with 54 additions and 36 deletions
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15
libc/intrin/stack.c
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@ -42,8 +42,8 @@
struct CosmoStack {
struct Dll elem;
void *stackaddr;
size_t stacksize;
size_t guardsize;
unsigned stacksize;
unsigned guardsize;
};
struct CosmoStacks {
@ -215,13 +215,13 @@ void cosmo_stack_setmaxstacks(int maxstacks) {
* This function returns 0 on success, or an errno on error. See the
* documentation of mmap() for a list possible errors that may occur.
*/
errno_t cosmo_stack_alloc(size_t *inout_stacksize, //
size_t *inout_guardsize, //
errno_t cosmo_stack_alloc(unsigned *inout_stacksize, //
unsigned *inout_guardsize, //
void **out_addr) {
// validate arguments
size_t stacksize = *inout_stacksize;
size_t guardsize = *inout_guardsize;
unsigned stacksize = *inout_stacksize;
unsigned guardsize = *inout_guardsize;
stacksize = (stacksize + __gransize - 1) & -__gransize;
guardsize = (guardsize + __pagesize - 1) & -__pagesize;
if (guardsize + __pagesize > stacksize)
@ -283,7 +283,8 @@ static void cosmo_stack_setup(void) {
* variable is never clobbered. You can only dependably count on this to
* return an error on failure when you say `cosmo_stack_setmaxstacks(0)`
*/
errno_t cosmo_stack_free(void *stackaddr, size_t stacksize, size_t guardsize) {
errno_t cosmo_stack_free(void *stackaddr, unsigned stacksize,
unsigned guardsize) {
stacksize = (stacksize + __gransize - 1) & -__gransize;
guardsize = (guardsize + __pagesize - 1) & -__pagesize;
if (guardsize + __pagesize > stacksize)