Sha256: 7fc9e31f5cf76f5e7ff12e6abdcedc2acbde3424b22a997a0ea4c9303bb56f17
Contents?: true
Size: 1.22 KB
Versions: 16
Compression:
Stored size: 1.22 KB
Contents
use magnus::{
rb_sys::{protect, AsRawValue},
RString,
};
pub trait Tmplock {
fn as_locked_slice(&self) -> Result<(&[u8], TmplockGuard), magnus::Error>;
fn as_locked_str(&self) -> Result<(&str, TmplockGuard), magnus::Error>;
}
#[derive(Debug)]
#[repr(transparent)]
pub struct TmplockGuard {
raw: rb_sys::VALUE,
}
impl Drop for TmplockGuard {
fn drop(&mut self) {
let result = unsafe { protect(|| rb_sys::rb_str_unlocktmp(self.raw)) };
debug_assert!(
result.is_ok(),
"failed to unlock tmplock for unknown reason"
);
}
}
impl Tmplock for RString {
fn as_locked_slice(&self) -> Result<(&[u8], TmplockGuard), magnus::Error> {
let raw = self.as_raw();
let slice = unsafe { self.as_slice() };
let raw = protect(|| unsafe { rb_sys::rb_str_locktmp(raw) })?;
let guard = TmplockGuard { raw };
Ok((slice, guard))
}
fn as_locked_str(&self) -> Result<(&str, TmplockGuard), magnus::Error> {
let str_result = unsafe { self.as_str()? };
let raw = self.as_raw();
let raw = protect(|| unsafe { rb_sys::rb_str_locktmp(raw) })?;
let guard = TmplockGuard { raw };
Ok((str_result, guard))
}
}
Version data entries
16 entries across 16 versions & 1 rubygems