Topic       : TOS - The Operating System
Author      : 
Version     : tos.hyp (December 19, 2008)
Subject     : Programmieren/Atari
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Index Size  : 93790
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Compiled on : Atari
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View Ref-File5.12  Process functions                                            TOS

 ∙ Pause          Suspends a process until the arrival of a signal.
 ∙ Pdomain        Sets or inquires the processes' execution domain.
 ∙ Pexec          Loads and executes a further program.
 ∙ Pfork          Creates a copy of the current process.
 ∙ Pgetauid       Gets the user ID of a process at the beginning.
 ∙ Pgetegid       Gets the effective group ID of a process.
 ∙ Pgeteuid       Gets the effective user ID of a process.
 ∙ Pgetgid        Gets the group ID of a process.
 ∙ Pgetgroups     gets the supplementary group ids for the calling 
                  process.
 ∙ Pgetpgrp       Gets current process group number.
 ∙ Pgetpid        Gets current process ID.
 ∙ Pgetppid       Gets process ID for parent process.
 ∙ Pgetpriority   Gets the current priority value for a process.
 ∙ Pgetuid        Gets the user ID of a process.
 ∙ Pkill          Sends a signal to a process.
 ∙ Pmsg           Sends and receives messages.
 ∙ Pnice          Alters priority of the calling process.
 ∙ Prenice        Adjusts priority of a specified process.
 ∙ Prusage        Gets resource information about current process.
 ∙ Psemaphore     Creates, uses or destroys a semaphore.
 ∙ Psetauid       Sets user ID of a process at the start.
 ∙ Psetegid       Sets effective group ID of a process.
 ∙ Pseteuid       Sets effective user ID of a process.
 ∙ Psetgid        Alters group ID of a process.
 ∙ Psetgroups     Sets the supplementary group ids for the calling 
                  process.
 ∙ Psetlimit      Sets/gets limits of the system resources.
 ∙ Psetpgrp       Sets process group number of a process.
 ∙ Psetpriority   Sets the current priority value for a process.
 ∙ Psetregid      Sets the real and/or effective group ID for the 
                  calling process.
 ∙ Psetreuid      Sets the real and/or effective user ID for the 
                  calling process.
 ∙ Psetuid        Alters user ID of a process.
 ∙ Psigaction     Alters manner of signal handling.
 ∙ Psigblock      Alters signal mask.
 ∙ Psigintr       Assigns a signal to a particular exception vector.
 ∙ Psignal        Alters manner of signal handling.
 ∙ Psigpause      Sets a new signal mask and then suspends process 
                  until the arrival of a signal.
 ∙ Psigpending    Checks which signals have been sent but not 
                  processed.
 ∙ Psigreturn     Prepares exit from a signal-handler.
 ∙ Psigsetmask    Sets/replaces a signal mask.
 ∙ Pterm          Terminates program and returns value to caller.
 ∙ Pterm0         Terminates program and returns 0 to caller.
 ∙ Ptermres       Terminates program but leaves it in memory.
 ∙ Ptrace         Process tracing and debugging.
 ∙ Pumask         Sets initial creation mask for files/directories.
 ∙ Pusrval        Sets/interrogates specific process information.
 ∙ Pvfork         Creates copy of the current process.
 ∙ Pwait          Tries to get the exit code of waiting or terminated 
                  child process.
 ∙ Pwait3         Gets exit code of any waiting or terminated children 
                  of the calling process.
 ∙ Pwaitpid       Gets exit code information about one or more child 
                  processes.

See Also: Memory management   Signals   Task-Manager