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please find the below o/p for your reference
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Hello,
sorry for my questions about that below script but i have an error that i don't understand.
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Does anyone know if there is a C API call to get the status of a TCP port? As opposed to running netstat and parsing the results. At the moment I have to attempt to bind() and pick up on the address in use error which isn't very elegant
Thanks
---------- Post updated at 10:42 AM ----------... (0 Replies)
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6. Solaris
Hi there
I am in the process of writing a script to check whether a port on a remote system is up or not.
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8. Solaris
Hi,
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9. AIX
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IEEE1284_STATUS(3) Functions IEEE1284_STATUS(3)
NAME
ieee1284_read_status, ieee1284_wait_status - analyse status lines
SYNOPSIS
#include <ieee1284.h>
int ieee1284_read_status(struct parport *port);
int ieee1284_wait_status(struct parport *port, unsigned char mask, unsigned char val, struct timeval *timeout);
DESCRIPTION
There are five status lines, one of which is usually inverted on PC-style ports. Where they differ, libieee1284 operates on the IEEE 1284
values, not the PC-style inverted values. The status lines are represented by the following enumeration:
enum ieee1284_status_bits
{
S1284_NFAULT = 0x08,
S1284_SELECT = 0x10,
S1284_PERROR = 0x20,
S1284_NACK = 0x40,
S1284_BUSY = 0x80,
/* To convert those values into PC-style register values, use this: */
S1284_INVERTED = S1284_BUSY,
};
These functions all act on the parallel port associated with port, which must be claimed.
The purpose of ieee1284_wait_status is to wait until particular status lines have specified values. Its timeout parameter may be modified
on return.
RETURN VALUE
For ieee1284_read_status, the return value is a non-negative integer with bits set as appropriate representing the status lines. A negative
result indicates an error.
For ieee1284_wait_status, the return value is E1284_OK if the status lines now reflect the desired values (i.e. status & mask is val), or a
negative result indicating an error.
Possible error codes:
E1284_NOTIMPL
The port lacks the required capability. This could be due to a limitation of this version of libieee1284, or a hardware limitation.
E1284_NOTAVAIL
Access to the status lines is not available on this port type.
E1284_TIMEDOUT
The timeout has elapsed.
E1284_INVALIDPORT
The port parameter is invalid (for instance, perhaps the port is not claimed).
NOTES
The nAck pin is often able to trigger interrupts on the host machine. With operating system help these interrupts may be visible to the
application via the file descriptor returned by ieee1284_get_irq_fd.
Under Linux, the conditions are that the parallel port driver knows which interrupt line to use and is using it, and that the relevant
/dev/parport device node is accessible and backed by a device driver.
AUTHOR
Tim Waugh <twaugh@redhat.com>
Author.
COPYRIGHT
Copyright (C) 2001-2003 Tim Waugh
09/18/2007 IEEE1284_STATUS(3)