xref: /freebsd/share/man/man9/pfind.9 (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
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25.\" $FreeBSD$
26.\"
27.Dd July 11, 2001
28.Os
29.Dt PFIND 9
30.Sh NAME
31.Nm pfind , zpfind
32.Nd locate a process by number
33.Sh SYNOPSIS
34.In sys/param.h
35.In sys/proc.h
36.Ft "struct proc *"
37.Fn pfind "pid_t pid"
38.Ft "struct proc *"
39.Fn zpfind "pid_t pid"
40.Sh DESCRIPTION
41.Fn pfind
42takes a
43.Fa pid
44as its argument and returns a pointer to the
45.Vt proc
46structure whose PID is specified in the argument only if the
47.Fa pid
48is on the
49.Va allproc
50list.
51.Pp
52.Fn zpfind
53takes a
54.Fa pid
55as its argument.
56If
57.Fn zpfind
58finds a process whose PID is equal to that of argument
59and is a zombie process, meaning that it must reside on the
60.Va zombproc
61list,
62.Fn zpfind
63returns a pointer to that
64.Vt proc
65structure.
66.Pp
67Both
68.Fn pfind
69and
70.Fn zpfind
71lock the
72.Vt proc
73structure that is returned using
74.Fn PROC_LOCK "p" .
75.Sh RETURN VALUES
76.Fn pfind
77and
78.Fn zpfind
79return a pointer to a
80.Vt proc
81structure on success and a
82.Dv NULL
83on failure.
84.Sh SEE ALSO
85.Xr pgfind 9
86.Sh AUTHORS
87This manual page was written by
88.An Evan Sarmiento Aq kaworu@sektor7.ath.cx .
89