personality man page on Mageia

personality man page on Mageia

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PERSONALITY(2)		   Linux Programmer's Manual		PERSONALITY(2)

NAME
       personality - set the process execution domain

SYNOPSIS
       #include <sys/personality.h>

       int personality(unsigned long persona);

DESCRIPTION
       Linux  supports different execution domains, or personalities, for each
       process.	 Among other things, execution domains tell Linux how  to  map
       signal numbers into signal actions.  The execution domain system allows
       Linux to provide limited support	 for  binaries	compiled  under	 other
       UNIX-like operating systems.

       This function will return the current personality() when persona equals
       0xffffffff.  Otherwise, it will make the execution domain referenced by
       persona the new execution domain of the calling process.

RETURN VALUE
       On  success,  the  previous  persona  is	 returned.   On	 error,	 -1 is
       returned, and errno is set appropriately.

ERRORS
       EINVAL The kernel was unable to change the personality.

CONFORMING TO
       personality() is Linux-specific and should  not	be  used  in  programs
       intended to be portable.

COLOPHON
       This  page  is  part of release 3.54 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

Linux				  2003-01-01			PERSONALITY(2)

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