Struct jemalloc_ctl::opt::Junk
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pub struct Junk(_);
A type providing access to jemalloc's junk filling mode.
Requires --enable-fill
to have been specified during build configuration.
If set to "alloc", each byte of uninitialized allocated memory will be set to 0x5a
. If set to
"free", each byte of deallocated memory will be set to 0x5a
. If set to "true", both allocated
and deallocated memory will be initialized, and if set to "false" junk filling will be disabled.
This is intended for debugging and will impact performance negatively.
The default is "false", unless --enable-debug
was specified during build configuration, in
which case the default is "true".
Examples
use jemalloc_ctl::opt::Junk; let junk = Junk::new().unwrap(); println!("junk filling: {}", junk.get().unwrap());
Methods
impl Junk
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pub fn new() -> Result<Junk>
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Returns a new Junk
.
pub fn get(&self) -> Result<&'static str>
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Returns jemalloc's junk filling mode.