Make fork() go 30% faster

This change makes fork() go nearly as fast as sys_fork() on UNIX. As for
Windows this change shaves about 4-5ms off fork() + wait() latency. This
is accomplished by using WriteProcessMemory() from the parent process to
setup the address space of a suspended process; it is better than a pipe
This commit is contained in:
Justine Tunney 2025-01-01 04:59:38 -08:00
parent 98c5847727
commit 0b3c81dd4e
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GPG key ID: BE714B4575D6E328
44 changed files with 769 additions and 649 deletions

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@ -18,8 +18,6 @@
*/
#include "libc/thread/tls.h"
#ifdef __x86_64__
char __tls_enabled;
#endif
#ifndef __x86_64__
unsigned __tls_index;
#endif