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Make fixes and improvements

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- clock_nanosleep() is now much faster on OpenBSD and NetBSD
- Thread joining is now much faster on NetBSD
- FreeBSD timestamps are now more accurate
- Thread spawning now goes faster on XNU
- Clean up the clone() code
This commit is contained in:
Justine Tunney 2022-11-08 10:09:47 -08:00
parent aee50b1327
commit b407327972
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GPG key ID: BE714B4575D6E328
47 changed files with 645 additions and 306 deletions
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13
libc/runtime/fork.c
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@ -34,7 +34,9 @@
#include "libc/thread/tls.h"
int _fork(uint32_t dwCreationFlags) {
int ax, dx, parent;
struct CosmoTib *tib;
struct PosixThread *pt;
int ax, dx, tid, parent;
BLOCK_SIGNALS;
if (__threaded && _weaken(_pthread_onfork_prepare)) {
_weaken(_pthread_onfork_prepare)();
@ -53,9 +55,12 @@ int _fork(uint32_t dwCreationFlags) {
parent = __pid;
__pid = dx;
if (__tls_enabled) {
atomic_store_explicit(&__get_tls()->tib_tid,
IsLinux() ? dx : sys_gettid(),
memory_order_relaxed);
tib = __get_tls();
tid = IsLinux() ? dx : sys_gettid();
atomic_store_explicit(&tib->tib_tid, tid, memory_order_relaxed);
if ((pt = (struct PosixThread *)tib->tib_pthread)) {
atomic_store_explicit(&pt->ptid, tid, memory_order_relaxed);
}
}
if (__threaded && _weaken(_pthread_onfork_child)) {
_weaken(_pthread_onfork_child)();