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openbsd support

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This commit is contained in:
Sébastien Marie 2015-01-29 08:19:28 +01:00
parent f1f9cb705d
commit fcb30a0b67
43 changed files with 1036 additions and 72 deletions
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50
src/libstd/sys/unix/thread.rs
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@ -1,4 +1,4 @@
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
@ -31,7 +31,9 @@ pub extern fn thread_start(main: *mut libc::c_void) -> rust_thread_return {
return start_thread(main);
}
#[cfg(all(not(target_os = "linux"), not(target_os = "macos")))]
#[cfg(all(not(target_os = "linux"),
not(target_os = "macos"),
not(target_os = "openbsd")))]
pub mod guard {
pub unsafe fn current() -> uint {
0
@ -45,10 +47,15 @@ pub mod guard {
}
}
#[cfg(any(target_os = "linux", target_os = "macos"))]
#[cfg(any(target_os = "linux",
target_os = "macos",
target_os = "openbsd"))]
pub mod guard {
use super::*;
#[cfg(any(target_os = "linux", target_os = "android"))]
#[cfg(any(target_os = "linux",
target_os = "android",
target_os = "openbsd"))]
use mem;
#[cfg(any(target_os = "linux", target_os = "android"))]
use ptr;
@ -64,7 +71,7 @@ pub mod guard {
static mut PAGE_SIZE: uint = 0;
static mut GUARD_PAGE: uint = 0;
#[cfg(target_os = "macos")]
#[cfg(any(target_os = "macos", target_os = "openbsd"))]
unsafe fn get_stack_start() -> *mut libc::c_void {
current() as *mut libc::c_void
}
@ -141,6 +148,23 @@ pub mod guard {
pthread_get_stacksize_np(pthread_self())) as uint
}
#[cfg(target_os = "openbsd")]
pub unsafe fn current() -> uint {
let mut current_stack: stack_t = mem::zeroed();
if pthread_stackseg_np(pthread_self(), &mut current_stack) != 0 {
panic!("failed to get current stack: pthread_stackseg_np")
}
if pthread_main_np() == 1 {
// main thread
current_stack.ss_sp as uint - current_stack.ss_size as uint + 3 * PAGE_SIZE as uint
} else {
// new thread
current_stack.ss_sp as uint - current_stack.ss_size as uint
}
}
#[cfg(any(target_os = "linux", target_os = "android"))]
pub unsafe fn current() -> uint {
let mut attr: libc::pthread_attr_t = mem::zeroed();
@ -304,6 +328,22 @@ extern {
fn pthread_setname_np(name: *const libc::c_char) -> libc::c_int;
}
#[cfg(target_os = "openbsd")]
extern {
pub fn pthread_self() -> libc::pthread_t;
pub fn pthread_stackseg_np(thread: libc::pthread_t,
sinfo: *mut stack_t) -> libc::c_uint;
pub fn pthread_main_np() -> libc::c_uint;
}
#[cfg(target_os = "openbsd")]
#[repr(C)]
pub struct stack_t {
pub ss_sp: *mut libc::c_void,
pub ss_size: libc::size_t,
pub ss_flags: libc::c_int,
}
extern {
fn pthread_create(native: *mut libc::pthread_t,
attr: *const libc::pthread_attr_t,