From fcad266fd1d1524601cc0d0bd952a0f250946bed Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Fri, 30 May 2025 11:27:22 -0400
Subject: tests: Try harder to guess a good parallelism level

---
 tests/getopts.sh |  6 +-----
 tests/util.sh    | 12 ++++++++++++
 2 files changed, 13 insertions(+), 5 deletions(-)

(limited to 'tests')

diff --git a/tests/getopts.sh b/tests/getopts.sh
index 255f2fa..cbb3ce4 100644
--- a/tests/getopts.sh
+++ b/tests/getopts.sh
@@ -5,11 +5,7 @@
 
 ## Argument parsing
 
-if command -v nproc &>/dev/null; then
-    JOBS=$(nproc)
-else
-    JOBS=1
-fi
+JOBS=$(nproc)
 MAKE=
 PATTERNS=()
 SUDO=()
diff --git a/tests/util.sh b/tests/util.sh
index b846d45..4bdb86f 100644
--- a/tests/util.sh
+++ b/tests/util.sh
@@ -190,3 +190,15 @@ pop_defers() {
 
     return $ret
 }
+
+## Parallelism
+
+# Get the number of processors
+nproc() {
+    {
+        (command nproc) \
+            || sysctl -n hw.ncpu \
+            || getconf _NPROCESSORS_ONLN \
+            || echo 1
+    } 2>/dev/null
+}
-- 
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