CentOS 7.0 - man page for personality (centos section 2)
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PERSONALITY(2) Linux Programmer's Manual PERSONALITY(2)
personality - set the process execution domain
int personality(unsigned long persona);
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. Oth-
erwise, it will make the execution domain referenced by persona the new execution domain
of the calling process.
On success, the previous persona is returned. On error, -1 is returned, and errno is set
EINVAL The kernel was unable to change the personality.
personality() is Linux-specific and should not be used in programs intended to be porta-
This page is part of release 3.53 of the Linux man-pages project. A description of the
project, and information about reporting bugs, can be found at
Linux 2003-01-01 PERSONALITY(2)
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