Copyright © 2013-2021, Michael Santos <michael.santos@gmail.com>
fdclr/1 | Clear read_write events for a file descriptor. |
fdclr/2 | Clear an event set for a file descriptor. |
fdset/1 | Monitor a file descriptor for read events. |
fdset/2 | Monitor a file descriptor for events. |
poll/1 | Block until a file descriptor is ready for reading. |
poll/2 | Block until a file descriptor is ready for reading or writing. |
poll/3 | Block until a file descriptor is ready for reading or writing. |
pollid/0 | Retrieves the port identifier for the inert driver. |
start/0 | Start the inert service. |
stop/0 | Stop the inert service. |
fdclr(FD::integer()) -> ok | inert_drv:errno()
Clear read_write events for a file descriptor.
fdclr(FD::integer(), Options::inert_drv:mode() | proplists:proplist()) -> ok | inert_drv:errno()
Clear an event set for a file descriptor.
fdset(FD::integer()) -> ok | inert_drv:errno()
Monitor a file descriptor for read events.
fdset(FD::integer(), Options::inert_drv:mode() | proplists:proplist()) -> ok | inert_drv:errno()
Monitor a file descriptor for events.
fdset/1,2 will send one message when a file descriptor is ready for reading or writing:
{inert_read, PollId, FD} % fd is ready for reading {inert_write, PollId, FD} % fd is ready for writing
Use pollid/0 to retrieve the descriptor for the inert driver.
When requesting a monitoring mode of read_write, the calling process may receive two messages (one for read, one for write).
Further events are not monitored after the message is sent. To re-enable monitoring, fdset/2,3 must be called again.
Successive calls to fdset/2,3 reset the mode:poll(FD::integer()) -> {ok, read} | {error, timeout} | inert_drv:errno()
Block until a file descriptor is ready for reading.
poll(FD::integer(), Mode::inert_drv:mode() | proplists:proplist()) -> {ok, read | write} | {error, timeout} | inert_drv:errno()
Block until a file descriptor is ready for reading or writing.
poll(FD::integer(), Mode::inert_drv:mode() | proplists:proplist(), Timeout::timeout()) -> {ok, read | write} | {error, timeout} | inert_drv:errno()
Block until a file descriptor is ready for reading or writing.
The timeout option will interrupt poll/3 after the specified timeout (in milliseconds), returning the tuple {error, timeout}.pollid() -> undefined | port()
Retrieves the port identifier for the inert driver.
start() -> any()
Start the inert service.
stop() -> any()
Stop the inert service.
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