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bump PTHREAD_KEYS_MAX to 512

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the rust libstd emutls version is using one pthread_key per thread-variable. it
means the maximum number of thread-variable at a time is PTHREAD_KEYS_MAX.

with recent rustc 1.91.0, we start hiting the limit while compiling some
programs (like sysutils/rustic).

ok robert@
"Let's go 512 and hope someone eventually does proper TLS" deraadt@
This commit is contained in:
semarie
2025-11-11 18:54:05 +00:00
parent 271160a23d
commit f90c654102
1 changed files with 2 additions and 2 deletions
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4
include/pthread.h
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@@ -1,4 +1,4 @@
/* $OpenBSD: pthread.h,v 1.4 2018/03/05 01:15:26 deraadt Exp $ */
/* $OpenBSD: pthread.h,v 1.5 2025/11/11 18:54:05 semarie Exp $ */
/*
* Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
@@ -50,7 +50,7 @@
* Run-time invariant values:
*/
#define PTHREAD_DESTRUCTOR_ITERATIONS 4
#define PTHREAD_KEYS_MAX 256
#define PTHREAD_KEYS_MAX 512
#define PTHREAD_STACK_MIN (1U << _MAX_PAGE_SHIFT)
#define PTHREAD_THREADS_MAX ULONG_MAX