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tools: replace thread pool with std.Io

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Matthew Lugg 2025-12-21 14:50:16 +00:00
parent 2046e0f4be
commit 9ae4e38ca2
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GPG key ID: 3F5B7DCCBF4AF02E
1 changed files with 23 additions and 26 deletions
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49
tools/update_cpu_features.zig
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@ -1882,10 +1882,18 @@ const targets = [_]ArchTarget{
};
pub fn main() anyerror!void {
var arena_state = std.heap.ArenaAllocator.init(std.heap.page_allocator);
var debug_allocator: std.heap.DebugAllocator(.{}) = .init;
defer _ = debug_allocator.deinit();
const gpa = debug_allocator.allocator();
var arena_state: std.heap.ArenaAllocator = .init(gpa);
defer arena_state.deinit();
const arena = arena_state.allocator();
var threaded: std.Io.Threaded = .init(gpa);
defer threaded.deinit();
const io = threaded.io();
var args = try std.process.argsWithAllocator(arena);
const args0 = args.next().?;
@ -1925,34 +1933,23 @@ pub fn main() anyerror!void {
const root_progress = std.Progress.start(.{ .estimated_total_items = targets.len });
defer root_progress.end();
if (builtin.single_threaded) {
for (targets) |target| {
if (filter) |zig_name| if (!std.mem.eql(u8, target.zig_name, zig_name)) continue;
try processOneTarget(.{
.llvm_tblgen_exe = llvm_tblgen_exe,
.llvm_src_root = llvm_src_root,
.zig_src_dir = zig_src_dir,
.root_progress = root_progress,
.target = target,
});
}
} else {
var pool: std.Thread.Pool = undefined;
try pool.init(.{ .allocator = arena, .n_jobs = targets.len });
defer pool.deinit();
var group: std.Io.Group = .init;
defer group.cancel(io);
for (targets) |target| {
if (filter) |zig_name| if (!std.mem.eql(u8, target.zig_name, zig_name)) continue;
const job = Job{
.llvm_tblgen_exe = llvm_tblgen_exe,
.llvm_src_root = llvm_src_root,
.zig_src_dir = zig_src_dir,
.root_progress = root_progress,
.target = target,
};
try pool.spawn(processOneTarget, .{job});
for (targets) |target| {
if (filter) |zig_name| {
if (!std.mem.eql(u8, target.zig_name, zig_name)) continue;
}
group.async(io, processOneTarget, .{.{
.llvm_tblgen_exe = llvm_tblgen_exe,
.llvm_src_root = llvm_src_root,
.zig_src_dir = zig_src_dir,
.root_progress = root_progress,
.target = target,
}});
}
group.wait(io);
}
const Job = struct {