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emscripten: fix pthread type sizes for wasm64 (MEMORY64) #5156

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Merged
JohnTitor merged 1 commit into from
Jun 14, 2026
Merged

emscripten: fix pthread type sizes for wasm64 (MEMORY64) #5156

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9 changes: 8 additions & 1 deletion src/unix/linux_like/emscripten/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -188,7 +188,8 @@ s! {
}

pub struct pthread_attr_t {
__size: [u32; 11],
// 11 pointer-width words: 44 bytes on wasm32, 88 on wasm64 (MEMORY64).
__size: [usize; 11],
}

pub struct sigset_t {
Expand Down Expand Up @@ -1064,8 +1065,14 @@ pub const SO_RXQ_OVFL: c_int = 40;
pub const SO_PEEK_OFF: c_int = 42;
pub const SO_BUSY_POLL: c_int = 46;

#[cfg(target_pointer_width = "32")]
pub const __SIZEOF_PTHREAD_RWLOCK_T: usize = 32;
#[cfg(target_pointer_width = "64")]
pub const __SIZEOF_PTHREAD_RWLOCK_T: usize = 56;
#[cfg(target_pointer_width = "32")]
pub const __SIZEOF_PTHREAD_MUTEX_T: usize = 24;
#[cfg(target_pointer_width = "64")]
pub const __SIZEOF_PTHREAD_MUTEX_T: usize = 40;

pub const O_DIRECT: c_int = 0x4000;
pub const O_DIRECTORY: c_int = 0x10000;
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