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reduce heap allocations for MemoryMap

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This commit is contained in:
Jason Toffaletti 2013-09-29 22:14:09 -07:00
parent 80b6056f5d
commit b617569583
1 changed files with 7 additions and 7 deletions
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14
src/libstd/os.rs
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@ -1398,7 +1398,7 @@ impl to_str::ToStr for MapError {
#[cfg(unix)]
impl MemoryMap {
pub fn new(min_len: uint, options: ~[MapOption]) -> Result<~MemoryMap, MapError> {
pub fn new(min_len: uint, options: &[MapOption]) -> Result<MemoryMap, MapError> {
#[fixed_stack_segment]; #[inline(never)];
use libc::off_t;
@ -1441,7 +1441,7 @@ impl MemoryMap {
code => ErrUnknown(code)
})
} else {
Ok(~MemoryMap {
Ok(MemoryMap {
data: r as *mut u8,
len: len,
kind: if fd == -1 {
@ -1478,7 +1478,7 @@ impl Drop for MemoryMap {
#[cfg(windows)]
impl MemoryMap {
pub fn new(min_len: uint, options: ~[MapOption]) -> Result<~MemoryMap, MapError> {
pub fn new(min_len: uint, options: &[MapOption]) -> Result<MemoryMap, MapError> {
#[fixed_stack_segment]; #[inline(never)];
use libc::types::os::arch::extra::{LPVOID, DWORD, SIZE_T, HANDLE};
@ -1524,7 +1524,7 @@ impl MemoryMap {
};
match r as uint {
0 => Err(ErrVirtualAlloc(errno())),
_ => Ok(~MemoryMap {
_ => Ok(MemoryMap {
data: r as *mut u8,
len: len,
kind: MapVirtual
@ -1560,7 +1560,7 @@ impl MemoryMap {
0);
match r as uint {
0 => Err(ErrMapViewOfFile(errno())),
_ => Ok(~MemoryMap {
_ => Ok(MemoryMap {
data: r as *mut u8,
len: len,
kind: MapFile(mapping as *c_void)
@ -1996,7 +1996,7 @@ mod tests {
fn memory_map_rw() {
use result::{Ok, Err};
let chunk = match os::MemoryMap::new(16, ~[
let chunk = match os::MemoryMap::new(16, [
os::MapReadable,
os::MapWritable
]) {
@ -2050,7 +2050,7 @@ mod tests {
}
fd
};
let chunk = match MemoryMap::new(size / 2, ~[
let chunk = match MemoryMap::new(size / 2, [
MapReadable,
MapWritable,
MapFd(fd),