Copyright (c)2007 YAMAMOTO Takashi,
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.Dd December 9, 2007 .Dt LWP_CACHE_CREDS 9 .Os ------------------------------------------------------------
.Sh NAME .Nm LWP_CACHE_CREDS .Nd synchronize LWP credential with process credential ------------------------------------------------------------
.Sh SYNOPSIS n sys/lwp.h - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
.Ft void .Fn LWP_CACHE_CREDS \ "lwp_t *l" "struct proc *p" ------------------------------------------------------------
.Sh DESCRIPTION .Fn LWP_CACHE_CREDS updates the LWP's cached credential to match with the process' credential if the latter has been changed after the last synchronization.
p Each LWPs have its cached credential so that it can be used without worrying about potential of other LWP changing the process' credential. .Fn kauth_cred_get returns the cached credential.
p .Fn LWP_CACHE_CREDS is called by MD entry code for system call and various traps. LWPs which can live in kernel for long period should call .Fn LWP_CACHE_CREDS by itself to refresh its credential.
p .Fn LWP_CACHE_CREDS takes the following arguments. l -tag -width l t Fa l The calling lwp. t Fa p The process which the lwp .Fa l belongs to. .El
p
.Fn LWP_CACHE_CREDS
might be implemented as a macro.
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.Sh SEE ALSO
.Xr intro 9 ,
.Xr kauth 9
Indexes created Wed Sep 24 15:09:51 GMT 2025