From 5515a9e7d7c364fae8a39824a3dcb100a8144752 Mon Sep 17 00:00:00 2001
From: Martin Wimpress <martin@wimpress.org>
Date: Tue, 14 May 2024 14:52:36 +0100
Subject: [PATCH] feat(darwin): add get_nproc() to support Linux and Darwin

---
 quickemu | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/quickemu b/quickemu
index e51f9a3..79ce5e5 100755
--- a/quickemu
+++ b/quickemu
@@ -205,6 +205,18 @@ function configure_usb() {
     fi
 }
 
+# get the number of processing units
+function get_nproc() {
+    if command -v nproc &>/dev/null; then
+        nproc
+    elif command -v sysctl &>/dev/null; then
+        sysctl -n hw.ncpu
+    else
+        echo "ERROR! Unable to determine the number of processing units."
+        exit 1
+    fi
+}
+
 # macOS and Linux compatible get_cpu_info function
 function get_cpu_info() {
     local INFO_NAME="${1}"
@@ -255,7 +267,7 @@ function efi_vars() {
 }
 
 function configure_cpu() {
-    HOST_CPU_CORES=$(nproc)
+    HOST_CPU_CORES=$(get_nproc)
     HOST_CPU_MODEL=$(get_cpu_info '^Model name:')
     HOST_CPU_SOCKETS=$(get_cpu_info 'Socket')
     HOST_CPU_VENDOR=$(get_cpu_info 'Vendor')