The list includes:
For information about STREAMS commands for configuring and managing, see List of Streams Commands.
streamio | Lists the ioctl operations which perform a variety of control functions on streams. |
The following modules and drivers are used in the STREAMS environment. The references are found in the list of subroutines.
pfmod | Selectively removes upstream data messages on a stream. |
timod | Converts a set of streamio operations into STREAMS messages. |
tirdwr | Supports the Transport Interface functions of the Network Services library. |
xtiso | Provides access to sockets-based protocols to STREAMS applications. |
dlpi | Provides an interface to the data link provider. |
t_accept | Accepts a connect request. |
t_alloc | Allocates a library structure. |
t_bind | Binds an address to a transport endpoint. |
t_close | Closes a transport endpoint. |
t_connect | Establishes a connection with another transport user. |
t_error | Produces an error message. |
t_free | Frees a library structure. |
t_getinfo | Gets protocol-specific service information. |
t_getstate | Gets the current state. |
t_listen | Listens for a connect request. |
t_look | Looks at the current event on a transport endpoint. |
t_open | Establishes a transport endpoint. |
t_optmgmt | Manages options for a transport endpoint. |
t_rcv | Receives normal data or expedited data sent over a connection. |
t_rcvconnect | Receives the confirmation from a connect request. |
t_rcvdis | Retrieves information from disconnect. |
t_rcvrel | Acknowledges receipt of an orderly release indication. |
t_rcvudata | Receives a data unit. |
t_rcvuderr | Receives a unit data error indication. |
t_snd | Sends data or expedited data over a connection. |
t_snddis | Sends a user-initiated disconnect request. |
t_sndrel | Initiates an orderly release of a transport connection. |
t_sndudata | Sends a data unit to another transport user. |
t_sync | Synchronizes transport library. |
t_unbind | Disables a transport endpoint. |
isastream | Tests a file descriptor. |
getmsg | Gets the next message off a stream. |
getpmsg | Gets the next priority message off a stream. |
putmsg | Sends a message on a stream. |
putpmsg | Sends a priority message on a stream. |
The following utilities are used by STREAMS:
adjmsg | Trims bytes in a message. |
allocb | Allocates message and data blocks. |
backq | Returns a pointer to the queue behind a given queue. |
bcanput | Tests for flow control in the given priority band. |
bufcall | Recovers from a failure of the allocb utility. |
canput | Tests for available room in a queue. |
copyb | Copies a message block. |
copymsg | Copies a message. |
datamsg | Tests whether message is a data message. |
dupb | Duplicates a message-block descriptor. |
dupmsg | Duplicates a message. |
enableok | Enables a queue to be scheduled for service. |
esballoc | Allocates message and data blocks. |
flushband | Flushes the messages in a given priority band. |
flushq | Flushes a queue. |
freeb | Frees a single message block. |
freemsg | Frees all message blocks in a message. |
getadmin | Returns a pointer to a module. |
getmid | Returns a module ID. |
getq | Gets a message from a queue. |
insq | Puts a message at a specific place in a queue. |
linkb | Concatenates two messages into one. |
mi_bufcall | Provides a reliable alternative to the bufcall utility. |
mi_close_comm | Performs housekeeping during STREAMS module close operations. |
mi_next_ptr | Traverses a STREAMS module's linked list of open streams. |
mi_open_comm | Performs housekeeping during STREAMS module open operations. |
msgdsize | Gets the number of data bytes in a message. |
noenable | Prevents a queue from being scheduled. |
OTHERQ | Returns the pointer to the mate queue. |
pullupmsg | Concatenates and aligns bytes in a message. |
putbq | Returns a message to the beginning of a queue. |
putctl | Passes a control message. |
putctl1 | Passes a control message with a one-byte parameter. |
putnext | Passes a message to the next queue. |
putq | Puts a message on a queue. |
qenable | Enables a queue. |
qreply | Sends a message on a stream in the reverse direction. |
qsize | Finds the number of messages on a queue. |
RD | Gets the pointer to the read queue. |
rmvb | Removes a message block from a message. |
rmvq | Removes a message from a queue. |
splstr | Sets the processor level. |
splx | Terminates a section of code. |
srv | Services queued messages for STREAMS modules or drivers. |
str_install | Installs STREAMS modules and drivers. |
strlog | Generates STREAMS error-logging and event-tracing messages. |
strqget | Obtains information about a queue or band of the queue. |
testb | Checks for an available buffer. |
timeout | Schedules a function to be called after a specified interval. |
unbufcall | Cancels a bufcall request. |
unlinkb | Removes a message block from the head of a message. |
untimeout | Cancels a pending time-out request. |
unweldq | Removes a previously established weld connection between STREAMS queues. |
wantio | Register direct I/O entry points with the stream head. |
weldq | Establishes a unidirectional connection between STREAMS queues. |
WR | Retrieves a pointer to the write queue. |