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PFIND (9) | Kernel routines | Unix Manual Pages | :man

NAME

pfind, zpfind - locate a process by number

CONTENTS

Synopsis
Description
Return Values
See Also
Authors

SYNOPSIS


.In sys/param.h
.In sys/proc.h "struct proc *" pfind "pid_t pid" "struct proc *" zpfind "pid_t pid"

DESCRIPTION

pfind takes a pid as its argument and returns a pointer to the
.Vt proc structure whose PID is specified in the argument only if the pid is on the allproc list.

zpfind takes a pid as its argument. If zpfind finds a process whose PID is equal to that of argument and is a zombie process, meaning that it must reside on the zombproc list, zpfind returns a pointer to that
.Vt proc structure.

Both pfind and zpfind lock the
.Vt proc structure that is returned using PROC_LOCK "p".

RETURN VALUES

pfind and zpfind return a pointer to a
.Vt proc structure on success and a NULL on failure.

SEE ALSO

pgfind(9)

AUTHORS


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