Technical data

58
Chapter 4: System Functions and Subroutines
ierrno get system error messages
ioctl control device
isatty determine if unit is associated with tty
itime return date or time in numerical form
kill send a signal to a process
link make a link to an existing file
loc return the address of an object
lseek move read/write file pointer
lstat get file status
ltime return system time
m_fork create parallel processes
m_get_myid get task ID
m_get_numprocs get number of subtasks
m_kill_procs kill process
m_lock set global lock
m_next return value of counter
m_park_procs suspend child processes
m_rcle_procs resume child processes
m_set_procs set number of subtasks
m_sync synchronize all threads
m_unlock unset a global lock
mkdir make a directory
mknod make a directory/file
mount mount a filesystem
Table 4-1
(continued) Summary of System Interface Library Routines
Function Purpose