
getgroups() returns the number of supplementary group IDs, so it's unnessary to swap the entire array. It can dramatically speed up the syscall: on recent Linux kernels NGROUPS_MAX=65536. Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5267 c046a42c-6fe2-441c-8c8c-71466251a162
Read the documentation in qemu-doc.html. Fabrice Bellard.
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