add option eager_reserve

This commit is contained in:
Daan Leijen 2023-03-30 16:20:11 -07:00
parent 8607c4a5df
commit 6eee9e4be2
3 changed files with 49 additions and 4 deletions

View file

@ -86,7 +86,8 @@ static mi_option_desc_t options[_mi_option_last] =
{ 16, UNINIT, MI_OPTION(max_errors) }, // maximum errors that are output
{ 16, UNINIT, MI_OPTION(max_warnings) }, // maximum warnings that are output
{ 8, UNINIT, MI_OPTION(max_segment_reclaim)},// max. number of segment reclaims from the abandoned segments per try.
{ 0, UNINIT, MI_OPTION(destroy_on_exit)} // release all OS memory on process exit; careful with dangling pointer or after-exit frees!
{ 0, UNINIT, MI_OPTION(destroy_on_exit)}, // release all OS memory on process exit; careful with dangling pointer or after-exit frees!
{ 0, UNINIT, MI_OPTION(eager_reserve) } // reserve memory N KiB at a time (slower in v1.x due to regions)
};
static void mi_option_init(mi_option_desc_t* desc);
@ -124,6 +125,12 @@ mi_decl_nodiscard long mi_option_get_clamp(mi_option_t option, long min, long ma
return (x < min ? min : (x > max ? max : x));
}
mi_decl_nodiscard size_t mi_option_get_size(mi_option_t option) {
mi_assert_internal(option == mi_option_reserve_os_memory || option == mi_option_eager_reserve);
long x = mi_option_get(option);
return (x < 0 ? 0 : (size_t)x * MI_KiB);
}
void mi_option_set(mi_option_t option, long value) {
mi_assert(option >= 0 && option < _mi_option_last);
if (option < 0 || option >= _mi_option_last) return;
@ -517,7 +524,7 @@ static void mi_option_init(mi_option_desc_t* desc) {
else {
char* end = buf;
long value = strtol(buf, &end, 10);
if (desc->option == mi_option_reserve_os_memory) {
if (desc->option == mi_option_reserve_os_memory || desc->option == mi_option_eager_reserve) {
// this option is interpreted in KiB to prevent overflow of `long`
if (*end == 'K') { end++; }
else if (*end == 'M') { value *= MI_KiB; end++; }