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Man Pages
MODULE_DEPEND(9) FreeBSD Kernel Developer's Manual MODULE_DEPEND(9)

MODULE_DEPEND
set kernel module dependencies

#include <sys/param.h>
#include <sys/module.h>
MODULE_DEPEND(name, moddepend, int minversion, int prefversion, int maxversion);

The MODULE_DEPEND() macro sets a dependency on another kernel module with name moddepend, which has registered its version with MODULE_VERSION().
The MODULE_DEPEND() macro provides hints to the kernel loader(8) and to the kernel linker to ensure that the named dependency is loaded prior to the existing module. It does not change or dictate the order in which modules are initialized at runtime.
Three versions must be specified for moddepend:
minversion
The minimum version on which the current module can depend.
maxversion
The maximum version on which the current module can depend.
prefversion
The preferred version on which the current module can depend.

MODULE_DEPEND(foo, bar, 1, 3, 4);

DECLARE_MODULE(9), module(9), MODULE_VERSION(9)

This manual page was written by Alexander Langer <alex@FreeBSD.org>.
January 11, 2005 FreeBSD 12.0-RELEASE

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