31 lines
809 B
Zig
31 lines
809 B
Zig
const linux = @import("linux.zig");
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const errno = @import("errno.zig");
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pub error SigInterrupt;
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pub error Unexpected;
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pub fn get_random_bytes(buf: []u8) -> %void {
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switch (@compile_var("os")) {
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linux => {
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const amt_got = linux.getrandom(buf.ptr, buf.len, 0);
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if (amt_got < 0) {
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return switch (-amt_got) {
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errno.EINVAL => unreachable{},
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errno.EFAULT => unreachable{},
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errno.EINTR => error.SigInterrupt,
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else => error.Unexpected,
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}
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}
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},
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else => @compile_err("unsupported os"),
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}
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}
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#attribute("cold")
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pub fn abort() -> unreachable {
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linux.raise(linux.SIGABRT);
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linux.raise(linux.SIGKILL);
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while (true) {}
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}
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