.\" Copyright, the authors of the Linux man-pages project
.\"
.\" SPDX-License-Identifier: GPL-3.0-or-later
.\"
.TH proc_pid_wchan 5 2025-09-21 "Linux man-pages 6.16"
.SH NAME
/proc/pid/wchan \- wait channel
.SH DESCRIPTION
.TP
.IR /proc/ pid /wchan " (since Linux 2.6.0)"
The symbolic name corresponding to
the location in the kernel where the process is sleeping.
.IP
Permission to access this file is governed by a ptrace access mode
.B PTRACE_MODE_READ_FSCREDS
check;
see
.BR ptrace (2).
.SH SEE ALSO
.BR proc (5)