diff options
Diffstat (limited to 'doc/procps_misc.3')
| -rw-r--r-- | doc/procps_misc.3 | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/doc/procps_misc.3 b/doc/procps_misc.3 index 5ec4231..7304736 100644 --- a/doc/procps_misc.3 +++ b/doc/procps_misc.3 @@ -16,13 +16,19 @@ .\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA .\" %%%LICENSE_END .\" -.TH PROCPS_MISC 3 2020-10-20 "libproc-2" +.TH PROCPS_MISC 3 2020-12-21 "libproc-2" .\" Please adjust this date whenever revising the manpage. .\" .SH NAME procps_misc \- API to system information in the /proc filesystem .SH SYNOPSIS .nf +.B #include <proc/namespace.h> +.PP +.BI "int procps_ns_get_id(const char * " name ");" +.BI "const char *procps_ns_get_name(const int " id ");" +.BI "int procps_ns_read_pid(const int " pid ", struct procps_namespaces * " nsp ");" +.PP .B #include <proc/sysinfo.h> .PP .B long procps_cpu_count(void); @@ -88,6 +94,16 @@ To encode a given Linux version, such as using it to compare against the current version, use the following macro: .TP .BI LINUX_VERSION( major , minor , patch ) +.PP +.BR procps_ns_get_id () +finds the ID of the namespace for the given namespace name. + +.BR procps_ns_get_name () +finds the name of the namespace of the given integer ID. + +.BR procps_ns_read_pid () +puts the inodes for the namespaces of the given process into +the array pointed to \fInsp\fR. .SH RETURN VALUE For @@ -115,6 +131,20 @@ Unable to parse the osrelease file. .BR procps_linux_version () may also return any (negated) value that \fBfopen\fR() may set errno to. +.BR procps_ns_get_id () +returns an integer for the namespace ID for the given name or +.B \-EINVAL +for an invalid input or an unknown namespace name. + +.BR procps_ns_get_name () +returns a statically allocated string containing the name of the +namespace for the given ID. If the name is not found the function +returns +.B NULL + +.BR procps_ns_read_pid () +Returns 0 on success and \fB\-EINVAL\fR on failure. + .SH FILES .TP .I /proc/loadavg @@ -125,6 +155,8 @@ Contains the release version of the Linux kernel or proc filesystem. .TP .I /proc/sys/kernel/pid_max Contains the value at which PIDs wrap around, one greater than the maximum PID value. +.IB /proc/ PID /ns +contains the set of namespaces for a particular \fBPID\fR. .SH BUGS Due to the way the three numbers are encoded into a single integer, |