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https://github.com/odin-lang/Odin.git
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3a7c4994ac
Use temporary stack buffers and some global scratch space to remove the need for any allocator.
79 lines
1.5 KiB
Odin
79 lines
1.5 KiB
Odin
package sysinfo
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when !(ODIN_ARCH == .amd64 || ODIN_ARCH == .i386 || ODIN_ARCH == .arm32 || ODIN_ARCH == .arm64 || ODIN_ARCH == .riscv64 || ODIN_ARCH == .wasm32 || ODIN_ARCH == .wasm64p32) {
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#assert(false, "This package is unsupported on this architecture.")
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}
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os_version: OS_Version
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ram: RAM
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gpus: []GPU
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// Only on MacOS, contains the actual MacOS version, while the `os_version` contains the kernel version.
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macos_version: Version
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OS_Version_Platform :: enum {
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Unknown,
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Windows,
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Linux,
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MacOS,
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iOS,
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FreeBSD,
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OpenBSD,
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NetBSD,
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}
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Version :: struct {
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major, minor, patch: int,
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}
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OS_Version :: struct {
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platform: OS_Version_Platform,
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using _: Version,
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build: [2]int,
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version: string,
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as_string: string,
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}
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RAM :: struct {
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total_ram: int,
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free_ram: int,
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total_swap: int,
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free_swap: int,
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}
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GPU :: struct {
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vendor_name: string,
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model_name: string,
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total_ram: int,
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}
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@(private)
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version_string_buf: [1024]u8
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@(private)
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MAX_GPUS :: 16
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@(private)
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_gpus: [MAX_GPUS]GPU
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@(private)
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_gpu_string_buf: [MAX_GPUS * 256 * 2]u8 // Reserve up to 256 bytes for each GPU's vendor and model name
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@(private)
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_gpu_string_offset: int
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@(private)
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intern_gpu_string :: proc "contextless" (str: string) -> (res: string, ok: bool) {
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if _gpu_string_offset + len(str) + 1 > size_of(_gpu_string_buf) {
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return "", false
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}
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n := copy(_gpu_string_buf[_gpu_string_offset:], str)
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_gpu_string_buf[_gpu_string_offset + len(str)] = 0
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res = string(_gpu_string_buf[_gpu_string_offset:][:len(str)])
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_gpu_string_offset += n + 1
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return res, true
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} |