`process`

Portable process handling predicates.

| Availability: | logtalk_load(process(loader))

| Author: Paulo Moura | Version: 1:0:0 | Date: 2026-02-04

| Compilation flags: | static, context_switching_calls

| Dependencies: | (none)

| Remarks:

Supported backend Prolog systems: ECLiPSe, GNU Prolog, SICStus Prolog, SWI-Prolog, Trealla Prolog, and XVM.

| Inherited public predicates: | (none)

.. contents:: :local: :backlinks: top

Public predicates

.. index:: create/3 .. _process/0::create/3:

create/3 ^^^^^^^^^^^^

Creates a new process from the given executable and list of arguments. Supported options are process(Pid), stdin(Stream), stdout(Stream), and stderr(Stream).

| Compilation flags: | static

| Template: | create(Executable,Arguments,Options) | Mode and number of proofs: | create(+atom,+list(atom),+list(compound)) - zero_or_one

.. index:: wait/2 .. _process/0::wait/2:

wait/2 ^^^^^^^^^^

Waits for a process to terminate and retrieves its exit status.

| Compilation flags: | static

| Template: | wait(Process,Status) | Mode and number of proofs: | wait(+process_or_pid,-integer) - zero_or_one

.. index:: kill/2 .. _process/0::kill/2:

kill/2 ^^^^^^^^^^

Kills the given process with the specified signal (an integer or one of the following atoms: sighup, sigint, sigkill, or sigterm).

| Compilation flags: | static

| Template: | kill(Process,Signal) | Mode and number of proofs: | kill(+process_or_pid,+atom_or_integer) - zero_or_one

.. index:: kill/1 .. _process/0::kill/1:

kill/1 ^^^^^^^^^^

Kills the given process using the default signal (sigkill).

| Compilation flags: | static

| Template: | kill(Process) | Mode and number of proofs: | kill(+process_or_pid) - zero_or_one

Protected predicates

(none)

Private predicates

(none)

Operators

(none)

.. seealso::

:ref:`os <os/0>`