[DragonFlyBSD - Bug #3234] (Resolved) pthread - Respect RLIMIT_STACK for main thread

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #3234 has been updated by mneumann.

Status changed from New to Resolved

Fixed in commit 4b29dd4bf14ecfcbe53cbc16a3a96e433c70d7fc

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Bug #3234: pthread - Respect RLIMIT_STACK for main thread
http://bugs.dragonflybsd.org/issues/3234#change-13918

* Author: mneumann
* Status: Resolved
* Priority: Normal
* Assignee: 
* Category: Feature request
* Target version: 
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The stack size of the main thread when pthread is used is limited to 4 MB (hard coded value).
This breaks, for example, the crystal compiler (www.crystal-lang.org).

The stack size of a process not using pthread is limited by RLIMIT_STACK. As soon as pthread is linked in,
the main thread's stack size is limited to 4 MB.

FreeBSD uses two environment variables LIBPTHREAD_BIGSTACK_MAIN and
LIBPTHREAD_SPLITSTACK_MAIN to control use of RLIMIT_STACK vs. the hard-coded
4MB and defaults to respect RLIMIT_STACK when none is specified.

This patch

https://leaf.dragonflybsd.org/~mneumann/patch-libthread_xu.diff

fixes the issue. Crystal compiles.

---Files--------------------------------
patch-libthread_xu.diff (1.59 KB)


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