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Propagate loader-session errors as exceptions

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This commit is contained in:
Norman Feske 2012-06-06 17:30:06 +02:00
parent 7a965bd877
commit 17b60f8d41
3 changed files with 27 additions and 10 deletions
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14
os/include/loader_session/loader_session.h
View File

@ -108,6 +108,9 @@ namespace Loader {
/** /**
* Start subsystem * Start subsystem
*
* \throw Rom_module_does_not_exist if the specified binary could
* not obtained as ROM module
*/ */
virtual void start(Name const &binary, Name const &label = "") = 0; virtual void start(Name const &binary, Name const &label = "") = 0;
@ -132,12 +135,17 @@ namespace Loader {
GENODE_RPC(Rpc_alloc_rom_module, Dataspace_capability, alloc_rom_module, GENODE_RPC(Rpc_alloc_rom_module, Dataspace_capability, alloc_rom_module,
Name const &, size_t); Name const &, size_t);
GENODE_RPC(Rpc_commit_rom_module, void, commit_rom_module, Name const &); GENODE_RPC_THROW(Rpc_commit_rom_module, void, commit_rom_module,
GENODE_TYPE_LIST(Rom_module_does_not_exist),
Name const &);
GENODE_RPC(Rpc_ram_quota, void, ram_quota, size_t); GENODE_RPC(Rpc_ram_quota, void, ram_quota, size_t);
GENODE_RPC(Rpc_constrain_geometry, void, constrain_geometry, int, int); GENODE_RPC(Rpc_constrain_geometry, void, constrain_geometry, int, int);
GENODE_RPC(Rpc_view_ready_sigh, void, view_ready_sigh, Signal_context_capability); GENODE_RPC(Rpc_view_ready_sigh, void, view_ready_sigh, Signal_context_capability);
GENODE_RPC(Rpc_start, void, start, Name const &, Name const &); GENODE_RPC_THROW(Rpc_start, void, start,
GENODE_RPC(Rpc_view, Nitpicker::View_capability, view); GENODE_TYPE_LIST(Rom_module_does_not_exist),
Name const &, Name const &);
GENODE_RPC_THROW(Rpc_view, Nitpicker::View_capability, view,
GENODE_TYPE_LIST(View_does_not_exist));
GENODE_RPC(Rpc_view_geometry, View_geometry, view_geometry); GENODE_RPC(Rpc_view_geometry, View_geometry, view_geometry);
GENODE_RPC_INTERFACE(Rpc_alloc_rom_module, Rpc_commit_rom_module, GENODE_RPC_INTERFACE(Rpc_alloc_rom_module, Rpc_commit_rom_module,

5
os/src/server/loader/child.h
View File

@ -79,9 +79,14 @@ namespace Loader {
Rom_session_capability _rom_session(char const *name) Rom_session_capability _rom_session(char const *name)
{ {
try {
char args[Session::Name::MAX_SIZE]; char args[Session::Name::MAX_SIZE];
snprintf(args, sizeof(args), "ram_quota=4K, filename=\"%s\"", name); snprintf(args, sizeof(args), "ram_quota=4K, filename=\"%s\"", name);
return static_cap_cast<Rom_session>(_local_rom_service.session(args)); return static_cap_cast<Rom_session>(_local_rom_service.session(args));
} catch (Genode::Parent::Service_denied) {
PERR("Lookup for ROM module \"%s\" failed", name);
throw;
}
} }
public: public:

4
os/src/server/loader/main.cc
View File

@ -255,11 +255,15 @@ namespace Loader {
min(_subsystem_ram_quota_limit, _ram_session_client.avail()) : min(_subsystem_ram_quota_limit, _ram_session_client.avail()) :
_ram_session_client.avail(); _ram_session_client.avail();
try {
_child = new (&_md_alloc) _child = new (&_md_alloc)
Child(binary_name.string(), label.string(), _ep, Child(binary_name.string(), label.string(), _ep,
_ram_session_client, ram_quota, _parent_services, _ram_session_client, ram_quota, _parent_services,
_rom_service, _nitpicker_service, _width, _height); _rom_service, _nitpicker_service, _width, _height);
} }
catch (Genode::Parent::Service_denied) {
throw Rom_module_does_not_exist(); }
}
Nitpicker::View_capability view() Nitpicker::View_capability view()
{ {