mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-23 22:02:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Clean up threading code some more

Browse source
This commit is contained in:
Justine Tunney 2022-09-13 14:57:38 -07:00
parent 6a3330d7c9
commit 654ceaba7d
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
28 changed files with 119 additions and 134 deletions
Download patch file Download diff file Expand all files Collapse all files

7
libc/thread/spawn.c
View file

@ -111,7 +111,6 @@ int _spawn(int fun(void *, int), void *arg, struct spawn *opt_out_thread) {
if (!(th->tls = _mktls(&th->tib))) {
return -1;
}
th->ctid = (int *)(th->tib + 0x38);
// we must use _mapstack() to allocate the stack because OpenBSD has
// very strict requirements for what's allowed to be used for stacks
@ -127,7 +126,7 @@ int _spawn(int fun(void *, int), void *arg, struct spawn *opt_out_thread) {
CLONE_VM | CLONE_THREAD | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
CLONE_SETTLS | CLONE_PARENT_SETTID | CLONE_CHILD_SETTID |
CLONE_CHILD_CLEARTID,
spawner, &th->ptid, th->tib, th->ctid) == -1) {
spawner, &th->ptid, th->tib, &th->tib->tib_tid) == -1) {
_freestack(th->stk);
free(th->tls);
return -1;
@ -143,9 +142,9 @@ int _spawn(int fun(void *, int), void *arg, struct spawn *opt_out_thread) {
*/
int _join(struct spawn *th) {
int rc;
if (th->ctid) {
if (th->tib) {
// wait for ctid to become zero
_wait0(th->ctid);
_wait0(&th->tib->tib_tid);
// free thread memory
free(th->tls);
rc = munmap(th->stk, GetStackSize());