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umount()

Unmount a filesystem

Synopsis:

#include <sys/mount.h>

int umount( const char* dir, 
            int flags);

Arguments:

dir

The filesystem that you want to unmount.

flags

Flags that control the operation. Currently, the only valid value for flags is:

• _MOUNT_FORCE -- force an unmount to occur.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The umount() function sends a request to the server to unmount the path described by dir.

Returns:

-1 on failure.

Classification:

QNX Neutrino

Safety:
Cancellation point	Yes
Interrupt handler	No
Signal handler	No
Thread	Yes

See also:

mount()

Writing a Resource Manager in Programmer's Guide

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