From faf7d413a3f3337be1a3ac5cdf33e0e3b87b426e Mon Sep 17 00:00:00 2001 From: Tobias Burnus Date: Thu, 22 Apr 2021 11:05:17 +0200 Subject: [PATCH] gfortran.dg/pr68078.f90: Avoid increasing RLIMIT_AS pr68078.f90 tests out-of-memory handling and calls set_vm_limit to set the soft limit. However, setrlimit was then called with hard limit RLIM_INFINITY, which failed when the current hard limit was lower. gcc/testsuite/ * gfortran.dg/set_vm_limit.c (set_vm_limit): Call getrlimit, use obtained hard limit, and only call setrlimit if new softlimit is lower. --- gcc/testsuite/gfortran.dg/set_vm_limit.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/gcc/testsuite/gfortran.dg/set_vm_limit.c b/gcc/testsuite/gfortran.dg/set_vm_limit.c index 30c4b43e0ed2..8344f6fd079e 100644 --- a/gcc/testsuite/gfortran.dg/set_vm_limit.c +++ b/gcc/testsuite/gfortran.dg/set_vm_limit.c @@ -8,9 +8,20 @@ void set_vm_limit (int vm_limit) { - struct rlimit rl = { vm_limit, RLIM_INFINITY }; + struct rlimit rl; int r; + r = getrlimit (RLIMIT_AS, &rl); + if (r) + { + perror ("get_vm_limit"); + exit (1); + } + + if (vm_limit >= rl.rlim_cur) + return; + + rl.rlim_cur = vm_limit; r = setrlimit (RLIMIT_AS, &rl); if (r) { -- 2.47.2