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core: 修复 cygwin 下无法获得内存大小
cygwin 要装 procps-ng 才有 free 命令
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@@ -2093,9 +2093,10 @@ check_ram() {
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fi
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# 用于兜底,不太准确
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# cygwin 要装 procps-ng 才有 free 命令
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if [ -z $ram_size ]; then
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ram_size=$(free -m | grep ^Mem: | awk '{print $2}')
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ram_size=$((ram_size + 64 + 4))
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ram_size_k=$(grep '^MemTotal:' /proc/meminfo | awk '{print $2}')
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ram_size=$((ram_size_k / 1024 + 64 + 4))
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fi
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if [ -z $ram_size ] || [ $ram_size -le 0 ]; then
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