mirrors/zig
1
0
Fork 0
mirror of https://codeberg.org/ziglang/zig.git synced 2025-12-06 05:44:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

langref: clarify allowed atomic types

Browse source 
Floats are not allowed in @cmpxchg

Packed structs are allowed for all atomic builtins
This commit is contained in:
Kendall Condon 2025-06-27 13:42:50 -04:00 • committed by Matthew Lugg
parent b0d6c227d3
commit cbe6e5b7fe
1 changed files with 7 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
doc/langref.html.in
View file

@ -4319,7 +4319,7 @@ comptime {
</p> </p>
<p> <p>
{#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#}, a float, {#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#}, a float,
an integer or an enum. an integer, an enum, or a packed struct.
</p> </p>
<p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p> <p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p>
{#see_also|@atomicStore|@atomicRmw||@cmpxchgWeak|@cmpxchgStrong#} {#see_also|@atomicStore|@atomicRmw||@cmpxchgWeak|@cmpxchgStrong#}
@ -4333,7 +4333,7 @@ comptime {
</p> </p>
<p> <p>
{#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#}, a float, {#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#}, a float,
an integer or an enum. an integer, an enum, or a packed struct.
</p> </p>
<p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p> <p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p>
<p>{#syntax#}AtomicRmwOp{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicRmwOp{#endsyntax#}.</p> <p>{#syntax#}AtomicRmwOp{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicRmwOp{#endsyntax#}.</p>
@ -4347,7 +4347,7 @@ comptime {
</p> </p>
<p> <p>
{#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#}, a float, {#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#}, a float,
an integer or an enum. an integer, an enum, or a packed struct.
</p> </p>
<p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p> <p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p>
{#see_also|@atomicLoad|@atomicRmw|@cmpxchgWeak|@cmpxchgStrong#} {#see_also|@atomicLoad|@atomicRmw|@cmpxchgWeak|@cmpxchgStrong#}
@ -4576,8 +4576,8 @@ comptime {
more efficiently in machine instructions. more efficiently in machine instructions.
</p> </p>
<p> <p>
{#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#}, a float, {#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#},
an integer or an enum. an integer, an enum, or a packed struct.
</p> </p>
<p>{#syntax#}@typeInfo(@TypeOf(ptr)).pointer.alignment{#endsyntax#} must be {#syntax#}>= @sizeOf(T).{#endsyntax#}</p> <p>{#syntax#}@typeInfo(@TypeOf(ptr)).pointer.alignment{#endsyntax#} must be {#syntax#}>= @sizeOf(T).{#endsyntax#}</p>
<p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p> <p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p>
@ -4608,8 +4608,8 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
However if you need a stronger guarantee, use {#link|@cmpxchgStrong#}. However if you need a stronger guarantee, use {#link|@cmpxchgStrong#}.
</p> </p>
<p> <p>
{#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#}, a float, {#syntax#}T{#endsyntax#} must be a pointer, a {#syntax#}bool{#endsyntax#},
an integer or an enum. an integer, an enum, or a packed struct.
</p> </p>
<p>{#syntax#}@typeInfo(@TypeOf(ptr)).pointer.alignment{#endsyntax#} must be {#syntax#}>= @sizeOf(T).{#endsyntax#}</p> <p>{#syntax#}@typeInfo(@TypeOf(ptr)).pointer.alignment{#endsyntax#} must be {#syntax#}>= @sizeOf(T).{#endsyntax#}</p>
<p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p> <p>{#syntax#}AtomicOrder{#endsyntax#} can be found with {#syntax#}@import("std").builtin.AtomicOrder{#endsyntax#}.</p>