SNOBOL4FORK(3) | CSNOBOL4B 2.2 | December 5, 2020

NAME

snobol4fork - POSIX fork for SNOBOL4

SYNOPSYS

-INCLUDE 'fork.sno'

pid = FORK()

status = WAITPID([pid][,options])

pid = GETPID()

parent = GETPPID()

DESCRIPTION

FORK() creates a process: returns 0 in child, process ID in parent. WAITPID() takes an optional process id to wait for, and returns a string with the process id, status, and additional status about the child. options is a string of optional flags (see the waitpid(2) man page for details):

c
WCONTINUED

h
WNOHANG

t
WTRAPPED

u
WUNTRACED

w
NOWAIT

GETPID() returns the current process ID. It never fails.

GETPPID() returns the parent process ID. It never fails.

SEE ALSO

snobol4(1), fork(2), waitpid(2), getpid(2), getppid(2)

AUTHOR

Philip L. Budne