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os/linux: add fadvise

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This commit is contained in:
Vincent Rischmann
2021-02-27 23:30:43 +01:00
committed by Veikka Tuominen
parent 7f32c799a9
commit c71e8a30cd
2 changed files with 79 additions and 0 deletions
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20
lib/std/os/linux/test.zig
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@@ -108,3 +108,23 @@ test "user and group ids" {
try expectEqual(linux.getauxval(elf.AT_EUID), linux.geteuid());
try expectEqual(linux.getauxval(elf.AT_EGID), linux.getegid());
}
test "fadvise" {
const tmp_file_name = "temp_posix_fadvise.txt";
var file = try fs.cwd().createFile(tmp_file_name, .{});
defer {
file.close();
fs.cwd().deleteFile(tmp_file_name) catch {};
}
var buf: [2048]u8 = undefined;
try file.writeAll(&buf);
const ret = linux.fadvise(
file.handle,
0,
0,
linux.POSIX_FADV_SEQUENTIAL,
);
try expectEqual(@as(usize, 0), ret);
}