The OTHERQ interface returns a pointer to the other of the two queue structures that make up a STREAMS module or driver. If the queue argument points to the read queue, the OTHERQ interface returns th...
The page_size global variable is the size of a virtual page on a CPU. A device driver can use this global variable to partition I/O transfers so that they never cross a virtual page boundary. You shou...
The panic routine causes a system crash, usually because of fatal errors. It sends to the console terminal and error logger the specified message and, possibly, other system-dependent information (for...
The pmap_extract routine extracts the physical page address associated with the specified pmap (physical map) and virt_addr (virtual address) arguments. The virtual address includes the offset within ...
The printf and uprintf routines are scaled-down versions of the corresponding C library routines. The printf routine prints diagnostic information directly on the console terminal and writes ASCII tex...
The privileged routine checks for an appropriate privilege when the security feature is enabled. Use privileged with a privilege number and with the error_code argument set to the constant EPERM to em...
The psignal routine posts a signal to the specified process. The posting of a signal causes that signal to be added to the set of pending signals for the specified process. Depending on the state of t...
The pullupmsg interface tries to combine multiple data blocks into a single block. The interface concatenates and aligns the first len data bytes of the message pointed to by the message_block_ptr arg...
The putbq interface places a message at the beginning of the appropriate section of the message queue. There are always sections for high priority and ordinary messages. If other priority bands are us...
The putctl interface tests the type argument to make sure a data type was not specified. It then attempts to allocate a message block. The putctl interface fails if a message block cannot be allocated...
Like the putctl interface, the putctl1 interface tests the type argument to make sure a data type was not specified. It then attempts to allocate a message block. In addition, the putctl1 interface ca...
