diff options
| -rw-r--r-- | library/std/src/io/buffered/bufwriter.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/library/std/src/io/buffered/bufwriter.rs b/library/std/src/io/buffered/bufwriter.rs index a9fc450de31..9dbf0e7454d 100644 --- a/library/std/src/io/buffered/bufwriter.rs +++ b/library/std/src/io/buffered/bufwriter.rs @@ -351,6 +351,7 @@ impl<W: Write> BufWriter<W> { // If this function ends up being called frequently relative to `write`, // it's likely a sign that the client is using an improperly sized buffer // or their write patterns are somewhat pathological. + #[cold] #[inline(never)] fn write_cold(&mut self, buf: &[u8]) -> io::Result<usize> { if buf.len() > self.spare_capacity() { @@ -385,6 +386,7 @@ impl<W: Write> BufWriter<W> { // If this function ends up being called frequently relative to `write_all`, // it's likely a sign that the client is using an improperly sized buffer // or their write patterns are somewhat pathological. + #[cold] #[inline(never)] fn write_all_cold(&mut self, buf: &[u8]) -> io::Result<()> { // Normally, `write_all` just calls `write` in a loop. We can do better @@ -421,7 +423,7 @@ impl<W: Write> BufWriter<W> { // SAFETY: Requires `buf.len() <= self.buf.capacity() - self.buf.len()`, // i.e., that input buffer length is less than or equal to spare capacity. - #[inline(always)] + #[inline] unsafe fn write_to_buffer_unchecked(&mut self, buf: &[u8]) { debug_assert!(buf.len() <= self.spare_capacity()); let old_len = self.buf.len(); |