diff options
Diffstat (limited to 'src/libstd/sys')
| -rw-r--r-- | src/libstd/sys/sgx/rwlock.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/libstd/sys/sgx/rwlock.rs b/src/libstd/sys/sgx/rwlock.rs index 47874158ed9..43ceae7d33b 100644 --- a/src/libstd/sys/sgx/rwlock.rs +++ b/src/libstd/sys/sgx/rwlock.rs @@ -1,3 +1,4 @@ +use alloc::{self, Layout}; use num::NonZeroUsize; use slice; use str; @@ -147,6 +148,7 @@ impl RWLock { self.__write_unlock(rguard, wguard); } + // only used by __rust_rwlock_unlock below #[inline] unsafe fn unlock(&self) { let rguard = self.readers.lock(); @@ -164,6 +166,7 @@ impl RWLock { const EINVAL: i32 = 22; +// used by libunwind port #[no_mangle] pub unsafe extern "C" fn __rust_rwlock_rdlock(p: *mut RWLock) -> i32 { if p.is_null() { @@ -190,6 +193,8 @@ pub unsafe extern "C" fn __rust_rwlock_unlock(p: *mut RWLock) -> i32 { return 0; } +// the following functions are also used by the libunwind port. They're +// included here to make sure parallel codegen and LTO don't mess things up. #[no_mangle] pub unsafe extern "C" fn __rust_print_err(m: *mut u8, s: i32) { if s < 0 { @@ -206,6 +211,16 @@ pub unsafe extern "C" fn __rust_abort() { ::sys::abort_internal(); } +#[no_mangle] +pub unsafe extern "C" fn __rust_c_alloc(size: usize, align: usize) -> *mut u8 { + alloc::alloc(Layout::from_size_align_unchecked(size, align)) +} + +#[no_mangle] +pub unsafe extern "C" fn __rust_c_dealloc(ptr: *mut u8, size: usize, align: usize) { + alloc::dealloc(ptr, Layout::from_size_align_unchecked(size, align)) +} + #[cfg(test)] mod tests { |