Belkin F8E211 Guia do Utilizador descarregar pdf (Página 44)

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usbd close pipe()  2006, QNX Software Systems GmbH & Co. KG.

Close a pipe previously opened by usbd open pipe()

Synopsis:

#include <sys/usbdi.h>

int usbd

close pipe( struct usbd pipe *pipe );

Description:

You use the usbd close pipe() function to close a pipe that was

previously opened via usbd

open pipe().

pipe An opaque handle returned by usbd

open pipe().

Returns:

EOK Success.

EBUSY Active or pending I/O.

Classiﬁcation:

QNX Neutrino, QNX 4

Safety

Cancellation point No

Interrupt handler No

Signal handler No

Thread Yes

See also:

usbd abort pipe(), usbd open pipe(), usbd pipe endpoint(),

usbd

reset pipe()

32 Chapter 4 USB Library Reference November 2, 2006

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 113 114

Momentics 1
Publishing history 2
Technical support options 2
Contents 3
Contents November 2, 2006 4
Index 101 5
About the USB DDK 7
Assumptions 9
Building DDKs 10
. ./setenv.sh 12
. <script> 12
Chapter 1 13
Before You Begin 13
In this chapter.. 13
System requirements 15
USB devices supported 15
Known limitations 16
Chapter 2 19
Overview 19
The USB stack and library 21
How a class driver works 22
Chapter 3 25
USB Utilities 25
Chapter 4 29
USB Library Reference 29
Connection functions 31
Memory-management functions 31
I/O functions 32
Pipe-management functions 32
USBD CONNECT WAIT 48
Examples: 49
Synopsis: 100
Description: 100
Returns: 101
Classiﬁcation: 101
See also: 101
Caveats: 103
November 2, 2006 Index 101 113
102 Index November 2, 2006 114

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Belkin F8E211 Guia do Utilizador Página 44

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