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35 lines
1.0 KiB
Plaintext
35 lines
1.0 KiB
Plaintext
module libc::os @if(env::LIBC);
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import std::core::env;
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// Linux
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extern fn int* __errno_location() @if(env::LINUX);
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macro int errno() @if(env::LINUX) => *__errno_location();
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macro void errno_set(int err) @if(env::LINUX) => *(__errno_location()) = err;
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// Android 9
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extern fn int* __errno() @if(env::ANDROID);
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macro int errno() @if(env::ANDROID) => *__errno();
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macro void errno_set(int err) @if(env::ANDROID) => *(__errno()) = err;
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// Darwin
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extern fn int* __error() @if(env::DARWIN);
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macro int errno() @if(env::DARWIN) => *__error();
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macro void errno_set(int err) @if(env::DARWIN) => *(__error()) = err;
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// Win32
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macro int errno() @if(env::WIN32)
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{
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int holder;
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_get_errno(&holder);
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return holder;
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}
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macro void errno_set(int err) @if(env::WIN32) => _set_errno(err);
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extern fn void _get_errno(int* result) @if(env::WIN32);
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extern fn void _set_errno(int err) @if(env::WIN32);
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// Default
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module libc::os @if(!env::LIBC || !env::HAS_NATIVE_ERRNO);
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tlocal int _errno_c3 = 0;
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fn void errno_set(int err) => _errno_c3 = err;
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fn int errno() => _errno_c3;
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