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libfringe
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use Display for displaying IoErrors

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edef 2015-04-16 02:08:41 -04:00
parent 7e0b126f42
commit a04117f955
1 changed files with 3 additions and 3 deletions
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6
src/os.rs
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@ -49,7 +49,7 @@ impl Stack {
let stack = unsafe { let stack = unsafe {
let ptr = match sys::map_stack(size) { let ptr = match sys::map_stack(size) {
None => { None => {
panic!("mmap for stack of size {} failed: {:?}", panic!("mmap for stack of size {} failed: {}",
len, IoError::last_os_error()) len, IoError::last_os_error())
} }
Some(ptr) => ptr Some(ptr) => ptr
@ -64,7 +64,7 @@ impl Stack {
unsafe { unsafe {
if !sys::protect_stack(stack.ptr) { if !sys::protect_stack(stack.ptr) {
panic!("mprotect for guard page of stack {:p} failed: {:?}", panic!("mprotect for guard page of stack {:p} failed: {}",
stack.ptr, IoError::last_os_error()); stack.ptr, IoError::last_os_error());
} }
} }
@ -78,7 +78,7 @@ impl Drop for Stack {
unsafe { unsafe {
valgrind::stack_deregister(self.valgrind_id); valgrind::stack_deregister(self.valgrind_id);
if !sys::unmap_stack(self.ptr, self.len) { if !sys::unmap_stack(self.ptr, self.len) {
panic!("munmap for stack {:p} of size {} failed: {:?}", panic!("munmap for stack {:p} of size {} failed: {}",
self.ptr, self.len, IoError::last_os_error()) self.ptr, self.len, IoError::last_os_error())
} }
} }