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drop NameTooLong from sysctlbynameZ error set (#24909)

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Sardorbek Imomaliev 2025-08-21 11:36:57 +01:00 committed by GitHub
parent cab6d752e8
commit 01b5023868
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5 changed files with 9 additions and 5 deletions
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2
lib/std/Thread.zig
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@ -761,7 +761,7 @@ const PosixThreadImpl = struct {
var count_len: usize = @sizeOf(c_int);
const name = if (comptime target.os.tag.isDarwin()) "hw.logicalcpu" else "hw.ncpu";
posix.sysctlbynameZ(name, &count, &count_len, null, 0) catch |err| switch (err) {
error.NameTooLong, error.UnknownName => unreachable,
error.UnknownName => unreachable,
else => |e| return e,
};
return @as(usize, @intCast(count));

8
lib/std/posix.zig
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@ -5291,13 +5291,19 @@ pub fn sysctl(
}
}
pub const SysCtlByNameError = error{
PermissionDenied,
SystemResources,
UnknownName,
} || UnexpectedError;
pub fn sysctlbynameZ(
name: [*:0]const u8,
oldp: ?*anyopaque,
oldlenp: ?*usize,
newp: ?*anyopaque,
newlen: usize,
) SysCtlError!void {
) SysCtlByNameError!void {
if (native_os == .wasi) {
@compileError("sysctl not supported on WASI");
}

2
lib/std/process.zig
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@ -1759,7 +1759,7 @@ pub fn totalSystemMemory() TotalSystemMemoryError!u64 {
var physmem: c_ulong = undefined;
var len: usize = @sizeOf(c_ulong);
posix.sysctlbynameZ("hw.physmem", &physmem, &len, null, 0) catch |err| switch (err) {
error.NameTooLong, error.UnknownName => unreachable,
error.UnknownName => unreachable,
else => return error.UnknownTotalSystemMemory,
};
return @as(usize, @intCast(physmem));

1
lib/std/zig/system.zig
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@ -228,7 +228,6 @@ pub fn resolveTargetQuery(query: Target.Query) DetectError!Target {
var len: usize = @sizeOf(@TypeOf(value));
posix.sysctlbynameZ(key, &value, &len, null, 0) catch |err| switch (err) {
error.NameTooLong => unreachable, // constant, known good value
error.PermissionDenied => unreachable, // only when setting values,
error.SystemResources => unreachable, // memory already on the stack
error.UnknownName => unreachable, // constant, known good value

1
lib/std/zig/system/darwin/macos.zig
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@ -397,7 +397,6 @@ pub fn detectNativeCpuAndFeatures() ?Target.Cpu {
var cpu_family: std.c.CPUFAMILY = undefined;
var len: usize = @sizeOf(std.c.CPUFAMILY);
std.posix.sysctlbynameZ("hw.cpufamily", &cpu_family, &len, null, 0) catch |err| switch (err) {
error.NameTooLong => unreachable, // constant, known good value
error.PermissionDenied => unreachable, // only when setting values,
error.SystemResources => unreachable, // memory already on the stack
error.UnknownName => unreachable, // constant, known good value