Date: Tue, 19 Apr 2005 22:07:31 -0700 From: "James Thomason" <james@divide.org> To: freebsd-hackers@freebsd.org Subject: Re: linux call_usermodehelper equivalent in freebsd? Message-ID: <200504200507.j3K57ZZV033777@mailserver1.hushmail.com>
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>Is there an equivalent in FreeBSD to the Linux kernel function >'call_usermodehelper' which wraps execve to do as its name >suggests, call a user mode helper program? Andrew, It depends on what your user mode helper program is intended to do, but the traditional approach is to create a user mode program that blocks on a custom system call waiting for an event. See the following 2001 freebsd-hackers thread from Terry Lambert, titled "Invoking a userland function from kernel" for further details and design considerations: http://docs.freebsd.org/cgi/mid.cgi?3B646AAB.688669C5 Regards, James
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