PERROR(1) BSD General Commands Manual PERROR(1)NAME
perror -- print an error number as a string
SYNOPSIS
perror number
DESCRIPTION
The perror program takes a raw errno value and prints it as a string.
SEE ALSO perror(3)HISTORY
The perror program first appeared in FreeBSD 8.0.
AUTHORS
George V. Neville-Neil
BSD May 12, 2009 BSD
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PERROR(1) MySQL Database System PERROR(1)NAME
perror - explain error codes
SYNOPSIS
perror [options] errorcode ...
DESCRIPTION
For most system errors, MySQL displays, in addition to an internal text message, the system error code in one of the following styles:
message ... (errno: #)
message ... (Errcode: #)
You can find out what the error code means by examining the documentation for your system or by using the perror utility.
perror prints a description for a system error code or for a storage engine (table handler) error code.
Invoke perror like this:
shell> perror [options] errorcode ...
Example:
shell> perror 13 64
OS error code 13: Permission denied
OS error code 64: Machine is not on the network
To obtain the error message for a MySQL Cluster error code, invoke perror with the --ndb option:
shell> perror --ndb errorcode
Note that the meaning of system error messages may be dependent on your operating system. A given error code may mean different things on
different operating systems.
perror supports the following options.
o --help, --info, -I, -?
Display a help message and exit.
o --ndb
Print the error message for a MySQL Cluster error code.
o --silent, -s
Silent mode. Print only the error message.
o --verbose, -v
Verbose mode. Print error code and message. This is the default behavior.
o --version, -V
Display version information and exit.
COPYRIGHT
Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc.
This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as
published by the Free Software Foundation; version 2 of the License.
This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.
SEE ALSO
For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online
at http://dev.mysql.com/doc/.
AUTHOR
Sun Microsystems, Inc. (http://www.mysql.com/).
MySQL 5.1 04/06/2010 PERROR(1)
Dear all,
I use perror in order to print an error message to the standar error. For example
if a C program is called without its two necessary command line parameters
then :
if (argc != 3)
{
perror("use: ./myProgram <source file> <target file>\n");
return 1;
}
Now the... (2 Replies)
here the program gives a odd result:
#include <stdio.h>
int main(){
perror("first");
perror("next");
return 0;
}
result:
first: Success
next: Illegal seek
why? any resonable explanation? i found no information about this in man pages.
thanks in advance (2 Replies)
I have following problem with this code..
First time trough the main loop.....
perror gives ....blocked signal:success(all other times gives illlegal seek)
Should every time trought the main loop be success??
And the perror otside of main loop...didn't change mask:success
That line of code... (2 Replies)
i am trying to use the perror function:
something like
perror("WRONG!!!");
but when i see the message in the terminal, it comes out like
WRONG!!! : Success
How can i change it to
WRONG!!! : WRONG!!!
well i just want to have my own custom message for the part after the colon... (1 Reply)