mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2026-01-09 08:55:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

std: Fix parameters for pthread_attr_setstack

Browse Source 
The guard page size shouldn't be taken into account, pthread is only
interested in the usable area.
This commit is contained in:
LemonBoy 2020-03-23 20:12:10 +01:00
parent 09a5f172f8
commit b21d3535a5
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
lib/std/thread.zig
View File

@ -375,7 +375,12 @@ pub const Thread = struct {
if (c.pthread_attr_init(&attr) != 0) return error.SystemResources;
defer assert(c.pthread_attr_destroy(&attr) == 0);
assert(c.pthread_attr_setstack(&attr, mmap_slice.ptr, stack_end_offset) == 0);
// Tell pthread where the effective stack start is and its size
assert(c.pthread_attr_setstack(
&attr,
mmap_slice.ptr + guard_end_offset,
stack_end_offset - guard_end_offset,
) == 0);
const err = c.pthread_create(&thread_ptr.data.handle, &attr, MainFuncs.posixThreadMain, @intToPtr(*c_void, arg));
switch (err) {