mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-26 22:38:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Reduce stack virtual memory consumption on Linux

Browse source
This commit is contained in:
Justine Tunney 2024-12-25 19:43:43 -08:00
parent cc8a9eb93c
commit 36e5861b0c
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
31 changed files with 583 additions and 166 deletions
Download patch file Download diff file Expand all files Collapse all files

5
libc/thread/itimer.c
View file

@ -30,6 +30,8 @@
#include "libc/nt/thread.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/clock.h"
#include "libc/sysv/consts/map.h"
#include "libc/sysv/consts/prot.h"
#include "libc/sysv/consts/sicode.h"
#include "libc/sysv/consts/sig.h"
#include "libc/sysv/errfuns.h"
@ -47,7 +49,8 @@ static textwindows dontinstrument uint32_t __itimer_worker(void *arg) {
__bootstrap_tls(&tls, sp);
__maps_track(
(char *)(((uintptr_t)sp + __pagesize - 1) & -__pagesize) - STACK_SIZE,
STACK_SIZE);
STACK_SIZE, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_NOFORK);
for (;;) {
bool dosignal = false;
struct timeval now, waituntil;