SVR5 and SCO OpenServer 5

putnext(D3str)

putnext -- send a message to the next queue

Synopsis

   #include <sys/stream.h>
   #include <sys/ddi.h>
   
   int putnext(queue_t *q, mblk_t *mp);

Description

The putnext function is used to pass a message to the put(D2str) routine of the next queue (q->q_next) in the stream.

Arguments

q: Pointer to the queue from which the message mp will be sent.
mp: Pointer to the message to be passed.

Return values

Ignored

Usage

Context

Base or Interrupt.

Synchronization constraints

Does not block.

Driver-defined basic locks, read/write locks, and sleep locks may not be held across calls to this function to avoid potential deadlock problems. See ``Spin locks (DDI)'' in HDK Technical Reference for more information.

The caller cannot have the stream frozen (see freezestr(D3str)) when calling this function.

Hardware applicability

All

Version applicability

ddi: 1, 2, 3, 4, 5, 5mp, 6, 6mp, 7, 7mp, 7.1, 7.1mp, 8, 8mp
oddi: 1, 2, 2mp, 3, 3mp, 4, 4mp, 5, 5mp, 6, 6mp

References

put(D2str)

Examples

See allocb(D3str) for an example of putnext.