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vm_map_inherit.9freebsd
Langue: en
Version: 308451 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
BSD mandoc
NAME
vm_map_inherit - set fork inheritance flags for a range within a mapSYNOPSIS
In sys/param.h In vm/vm.h In vm/vm_map.h Ft int Fo vm_map_inherit Fa vm_map_t map vm_offset_t start vm_offset_t end Fa vm_inherit_t new_inheritance FcDESCRIPTION
The Fn vm_map_inherit function sets the inheritance flags for the range Fa start to Fa end within the target Fa map to the value Fa new_inheritance .The Fa new_inheritance flag must have one of the values VM_INHERIT_NONE VM_INHERIT_COPY or VM_INHERIT_SHARE This affects how the map will be shared with child maps when the associated process forks.
IMPLEMENTATION NOTES
The Fn vm_map_inherit function obtains a lock on the Fa map using vm_map_lock9 for the duration of the function.RETURN VALUES
The Fn vm_map_inherit function returns KERN_SUCCESS if the inheritance flags could be set. Otherwise, if the provided flags were invalid, KERN_INVALID_ARGUMENT will be returned.SEE ALSO
fork(2)AUTHORS
This manual page was written by An Bruce M Simpson Aq bms@spc.org .Contenus ©2006-2024 Benjamin Poulain
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