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base: make reference ram cap part of child policy

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Issue #1539
This commit is contained in:
Alexander Boettcher 2015-11-16 13:19:26 +01:00 committed by Christian Helmuth
parent 50dd0dda38
commit e49a5ee19f
2 changed files with 6 additions and 6 deletions
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1
repos/base/include/base/child.h
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@ -109,6 +109,7 @@ struct Genode::Child_policy
* transfers. * transfers.
*/ */
virtual Ram_session *ref_ram_session() { return env()->ram_session(); } virtual Ram_session *ref_ram_session() { return env()->ram_session(); }
virtual Ram_session_capability ref_ram_cap() const { return env()->ram_session_cap(); }
/** /**
* Return platform-specific PD-session arguments * Return platform-specific PD-session arguments

11
repos/base/src/base/child/child.cc
View File

@ -247,7 +247,7 @@ void Child::_close(Session* s)
*/ */
if (s->service()->ram_session_cap().valid()) { if (s->service()->ram_session_cap().valid()) {
Ram_session_client server_ram(s->service()->ram_session_cap()); Ram_session_client server_ram(s->service()->ram_session_cap());
if (server_ram.transfer_quota(env()->ram_session_cap(), if (server_ram.transfer_quota(_policy->ref_ram_cap(),
s->donated_ram_quota())) { s->donated_ram_quota())) {
PERR("Misbehaving server '%s'!", s->service()->name()); PERR("Misbehaving server '%s'!", s->service()->name());
} }
@ -329,7 +329,7 @@ Session_capability Child::session(Parent::Service_name const &name,
/* transfer the quota donation from the child's account to ourself */ /* transfer the quota donation from the child's account to ourself */
size_t ram_quota = Arg_string::find_arg(_args, "ram_quota").ulong_value(0); size_t ram_quota = Arg_string::find_arg(_args, "ram_quota").ulong_value(0);
Transfer donation_from_child(ram_quota, _ram, env()->ram_session_cap()); Transfer donation_from_child(ram_quota, _ram, _policy->ref_ram_cap());
Service *service = _policy->resolve_session_request(name.string(), _args); Service *service = _policy->resolve_session_request(name.string(), _args);
@ -338,7 +338,7 @@ Session_capability Child::session(Parent::Service_name const &name,
throw Service_denied(); throw Service_denied();
/* transfer session quota from ourself to the service provider */ /* transfer session quota from ourself to the service provider */
Transfer donation_to_service(ram_quota, env()->ram_session_cap(), Transfer donation_to_service(ram_quota, _policy->ref_ram_cap(),
service->ram_session_cap()); service->ram_session_cap());
/* create session */ /* create session */
@ -394,11 +394,10 @@ void Child::upgrade(Session_capability to_session, Parent::Upgrade_args const &a
Arg_string::find_arg(args.string(), "ram_quota").ulong_value(0); Arg_string::find_arg(args.string(), "ram_quota").ulong_value(0);
/* transfer quota from client to ourself */ /* transfer quota from client to ourself */
Transfer donation_from_child(ram_quota, _ram, Transfer donation_from_child(ram_quota, _ram, _policy->ref_ram_cap());
env()->ram_session_cap());
/* transfer session quota from ourself to the service provider */ /* transfer session quota from ourself to the service provider */
Transfer donation_to_service(ram_quota, env()->ram_session_cap(), Transfer donation_to_service(ram_quota, _policy->ref_ram_cap(),
targeted_service->ram_session_cap()); targeted_service->ram_session_cap());
try { targeted_service->upgrade(to_session, args.string()); } try { targeted_service->upgrade(to_session, args.string()); }