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use Display for displaying IoErrors

This commit is contained in:
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 ptr = match sys::map_stack(size) {
None => {
panic!("mmap for stack of size {} failed: {:?}",
panic!("mmap for stack of size {} failed: {}",
len, IoError::last_os_error())
}
Some(ptr) => ptr
@ -64,7 +64,7 @@ impl Stack {
unsafe {
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());
}
}
@ -78,7 +78,7 @@ impl Drop for Stack {
unsafe {
valgrind::stack_deregister(self.valgrind_id);
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())
}
}