From: N. Engelhardt <nakengelhardt@gmail.com>
Date: Mon, 15 Jul 2019 15:33:18 +0000 (+0800)
Subject: smt: handle failure of setrlimit syscall
X-Git-Tag: working-ls180~1199^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ab4b9e8db481cd24b61cc0dc14bb5bf74d08006d;p=yosys.git

smt: handle failure of setrlimit syscall
---

diff --git a/backends/smt2/smtio.py b/backends/smt2/smtio.py
index ae7968a1b..bac68ac70 100644
--- a/backends/smt2/smtio.py
+++ b/backends/smt2/smtio.py
@@ -43,7 +43,11 @@ if os.name == "posix":
         if current_rlimit_stack[1] != resource.RLIM_INFINITY:
             smtio_stacksize = min(smtio_stacksize, current_rlimit_stack[1])
         if current_rlimit_stack[0] < smtio_stacksize:
-            resource.setrlimit(resource.RLIMIT_STACK, (smtio_stacksize, current_rlimit_stack[1]))
+            try:
+                resource.setrlimit(resource.RLIMIT_STACK, (smtio_stacksize, current_rlimit_stack[1]))
+            except ValueError:
+                # couldn't get more stack, just run with what we have
+                pass
 
 
 # currently running solvers (so we can kill them)