justin/jsix_import
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[edit] Add line-editing library, libedit

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Now used by the 6s shell to enable backspace, return, etc. No cursor
movement yet or anything complex.
This commit is contained in:
Justin C. Miller
2024-04-27 16:21:46 -07:00
parent 2d7cfc6c59
commit da9041823b
6 changed files with 238 additions and 18 deletions
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17
src/libraries/j6/channel.cpp
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@@ -152,12 +152,13 @@ channel::reserve(size_t size, uint8_t **area, bool block)
void
channel::commit(size_t size)
{
j6::syslog(logs::ipc, log_level::spam,
"Sending %d bytes to channel on {%x}", size, m_def.tx);
j6::scoped_lock lock {m_tx.mutex};
m_tx.buf.commit(size);
if (size)
m_tx.waiting.wake();
if (!size) return;
m_tx.waiting.wake();
j6::syslog(logs::ipc, log_level::spam,
"Sending %d bytes to channel on {%x}", size, m_def.tx);
}
size_t
@@ -178,11 +179,13 @@ channel::get_block(uint8_t const **area, bool block) const
void
channel::consume(size_t size)
{
j6::scoped_lock lock {m_tx.mutex};
m_rx.buf.consume(size);
if (!size) return;
m_rx.waiting.wake();
j6::syslog(logs::ipc, log_level::spam,
"Read %d bytes from channel on {%x}", size, m_def.rx);
m_rx.buf.consume(size);
if (size)
m_rx.waiting.wake();
}
} // namespace j6