diff options
Diffstat (limited to 'man2/umount.2')
| -rw-r--r-- | man2/umount.2 | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/man2/umount.2 b/man2/umount.2 index fc0e32feec..3defe48ac9 100644 --- a/man2/umount.2 +++ b/man2/umount.2 @@ -154,15 +154,25 @@ The kernel could not allocate a free page to copy filenames or data into. .TP .B EPERM The caller does not have the required privileges. -.SH VERSIONS +.SH STANDARDS +Linux. +.SH HISTORY .B MNT_DETACH and .B MNT_EXPIRE .\" http://sourceware.org/bugzilla/show_bug.cgi?id=10092 are available since glibc 2.11. -.SH STANDARDS -These functions are Linux-specific and should not be used in -programs intended to be portable. +.PP +The original +.BR umount () +function was called as \fIumount(device)\fP and would return +.B ENOTBLK +when called with something other than a block device. +In Linux 0.98p4, a call \fIumount(dir)\fP was added, in order to +support anonymous devices. +In Linux 2.3.99-pre7, the call \fIumount(device)\fP was removed, +leaving only \fIumount(dir)\fP (since now devices can be mounted +in more than one place, so specifying the device does not suffice). .SH NOTES .SS umount() and shared mounts Shared mounts cause any mount activity on a mount, including @@ -196,17 +206,6 @@ and prior to .BR umount () being called. -.SS Historical details -The original -.BR umount () -function was called as \fIumount(device)\fP and would return -.B ENOTBLK -when called with something other than a block device. -In Linux 0.98p4, a call \fIumount(dir)\fP was added, in order to -support anonymous devices. -In Linux 2.3.99-pre7, the call \fIumount(device)\fP was removed, -leaving only \fIumount(dir)\fP (since now devices can be mounted -in more than one place, so specifying the device does not suffice). .SH SEE ALSO .BR mount (2), .BR mount_namespaces (7), |