Core: exit with child exit value

Effective for base-linux only.
This commit is contained in:
Ehmry - 2019-07-24 11:38:05 +02:00
parent 4a7b0e99a6
commit 4952b37e4c
17 changed files with 44 additions and 22 deletions

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@ -167,7 +167,7 @@ namespace Genode {
size_t max_caps() const override { return Capability_space::max_caps(); } size_t max_caps() const override { return Capability_space::max_caps(); }
void wait_for_exit() override; void wait_for_exit(int const &) override;
}; };
} }

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@ -483,7 +483,7 @@ Platform::Platform() :
** Generic platform interface ** ** Generic platform interface **
********************************/ ********************************/
void Platform::wait_for_exit() void Platform::wait_for_exit(int const &)
{ {
/* /*
* On Fiasco, Core never exits. So let us sleep forever. * On Fiasco, Core never exits. So let us sleep forever.

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@ -183,7 +183,7 @@ namespace Genode {
Cap_id_allocator &cap_id_alloc() { return _cap_id_alloc; } Cap_id_allocator &cap_id_alloc() { return _cap_id_alloc; }
void wait_for_exit() override; void wait_for_exit(int const &) override;
}; };
} }

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@ -582,7 +582,7 @@ Platform::Platform() :
** Generic platform interface ** ** Generic platform interface **
********************************/ ********************************/
void Platform::wait_for_exit() void Platform::wait_for_exit(int const &)
{ {
/* /*
* On Fiasco, Core never exits. So let us sleep forever. * On Fiasco, Core never exits. So let us sleep forever.

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@ -128,7 +128,7 @@ class Genode::Platform : public Genode::Platform_generic
size_t vm_size() const override { return Hw::Mm::user().size; } size_t vm_size() const override { return Hw::Mm::user().size; }
Rom_fs &rom_fs() override { return _rom_fs; } Rom_fs &rom_fs() override { return _rom_fs; }
void wait_for_exit() override { void wait_for_exit(int const &) override {
while (1) { Kernel::stop_thread(); } }; while (1) { Kernel::stop_thread(); } };
bool supports_direct_unmap() const override { return true; } bool supports_direct_unmap() const override { return true; }

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@ -129,7 +129,9 @@ namespace Genode {
*/ */
size_t max_caps() const override { return 10000; } size_t max_caps() const override { return 10000; }
void wait_for_exit() override; void wait_for_exit(int const &) override;
void child_exit() override;
}; };
} }

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@ -113,7 +113,7 @@ Platform::Platform()
} }
void Platform::wait_for_exit() void Platform::wait_for_exit(int const &exit_value)
{ {
for (;;) { for (;;) {
@ -145,9 +145,11 @@ void Platform::wait_for_exit()
Platform_thread::submit_exception(pid); Platform_thread::submit_exception(pid);
} }
} }
lx_exit_group(0); lx_exit_group(exit_value);
} }
void Platform::child_exit() { sigint_handler(0); }
/***************************** /*****************************
** Support for IPC library ** ** Support for IPC library **

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@ -82,7 +82,7 @@ namespace Genode {
size_t vm_size() const override { return _vm_size; } size_t vm_size() const override { return _vm_size; }
Rom_fs &rom_fs() override { return _rom_fs; } Rom_fs &rom_fs() override { return _rom_fs; }
size_t max_caps() const override { return _max_caps; } size_t max_caps() const override { return _max_caps; }
void wait_for_exit() override; void wait_for_exit(int const &) override;
bool supports_direct_unmap() const override { return true; } bool supports_direct_unmap() const override { return true; }

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@ -993,5 +993,5 @@ bool Mapped_mem_allocator::_unmap_local(addr_t virt_addr, addr_t, unsigned size)
** Generic platform interface ** ** Generic platform interface **
********************************/ ********************************/
void Platform::wait_for_exit() { sleep_forever(); } void Platform::wait_for_exit(int const &) { sleep_forever(); }

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@ -139,7 +139,7 @@ namespace Genode {
Rom_fs &rom_fs() override { return _rom_fs; } Rom_fs &rom_fs() override { return _rom_fs; }
size_t max_caps() const override { return Capability_space::max_caps(); } size_t max_caps() const override { return Capability_space::max_caps(); }
void wait_for_exit() override; void wait_for_exit(int const &) override;
bool supports_direct_unmap() const override { return true; } bool supports_direct_unmap() const override { return true; }

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@ -215,7 +215,7 @@ Platform::Platform()
** Generic platform interface ** ** Generic platform interface **
********************************/ ********************************/
void Platform::wait_for_exit() void Platform::wait_for_exit(int const &)
{ {
/* /*
* On OKL4, core never exits. So let us sleep forever. * On OKL4, core never exits. So let us sleep forever.

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@ -153,7 +153,7 @@ namespace Genode {
Rom_fs &rom_fs() override { return _rom_fs; } Rom_fs &rom_fs() override { return _rom_fs; }
size_t max_caps() const override { return Capability_space::max_caps(); } size_t max_caps() const override { return Capability_space::max_caps(); }
void wait_for_exit() override; void wait_for_exit(int const &) override;
Affinity::Space affinity_space() const override Affinity::Space affinity_space() const override
{ {

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@ -640,7 +640,7 @@ Platform::Platform()
** Generic platform interface ** ** Generic platform interface **
********************************/ ********************************/
void Platform::wait_for_exit() void Platform::wait_for_exit(int const &)
{ {
/* /*
* On Pistachio, core never exits. So let us sleep forever. * On Pistachio, core never exits. So let us sleep forever.

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@ -274,7 +274,7 @@ class Genode::Platform : public Platform_generic
Cap_sel asid_pool() const { return _asid_pool_sel; } Cap_sel asid_pool() const { return _asid_pool_sel; }
void wait_for_exit() override; void wait_for_exit(int const &) override;
/** /**
* Determine size of a core local mapping required for a * Determine size of a core local mapping required for a

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@ -661,7 +661,7 @@ void Platform::reset_sel(unsigned sel)
} }
void Platform::wait_for_exit() void Platform::wait_for_exit(int const &)
{ {
sleep_forever(); sleep_forever();
} }

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@ -77,7 +77,12 @@ namespace Genode {
/** /**
* Wait for exit condition * Wait for exit condition
*/ */
virtual void wait_for_exit() = 0; virtual void wait_for_exit(int const &exit_value) = 0;
/**
* Handle exit of child
*/
virtual void child_exit() { };
/** /**
* Return true if platform supports direct unmap (no mapping db) * Return true if platform supports direct unmap (no mapping db)

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@ -119,6 +119,8 @@ class Core_child : public Child_policy
Child _child; Child _child;
int &_exit_value;
public: public:
/** /**
@ -128,14 +130,16 @@ class Core_child : public Child_policy
Pd_session &core_pd, Capability<Pd_session> core_pd_cap, Pd_session &core_pd, Capability<Pd_session> core_pd_cap,
Cpu_session &core_cpu, Capability<Cpu_session> core_cpu_cap, Cpu_session &core_cpu, Capability<Cpu_session> core_cpu_cap,
Cap_quota cap_quota, Ram_quota ram_quota, Cap_quota cap_quota, Ram_quota ram_quota,
Rpc_entrypoint &ep) Rpc_entrypoint &ep,
int &exit_value)
: :
_services(services), _services(services),
_core_pd_cap (core_pd_cap), _core_pd (core_pd), _core_pd_cap (core_pd_cap), _core_pd (core_pd),
_core_cpu_cap(core_cpu_cap), _core_cpu(core_cpu), _core_cpu_cap(core_cpu_cap), _core_cpu(core_cpu),
_cap_quota(Child::effective_quota(cap_quota)), _cap_quota(Child::effective_quota(cap_quota)),
_ram_quota(Child::effective_quota(ram_quota)), _ram_quota(Child::effective_quota(ram_quota)),
_child(local_rm, ep, *this) _child(local_rm, ep, *this),
_exit_value(exit_value)
{ } { }
@ -174,6 +178,13 @@ class Core_child : public Child_policy
_core_cpu.transfer_quota(cap, Cpu_session::quota_lim_upscale(100, 100)); _core_cpu.transfer_quota(cap, Cpu_session::quota_lim_upscale(100, 100));
} }
void exit(int exit_value) override
{
_exit_value = exit_value;
Child_policy::exit(exit_value);
platform().child_exit();
}
Pd_session &ref_pd() override { return _core_pd; } Pd_session &ref_pd() override { return _core_pd; }
Pd_session_capability ref_pd_cap() const override { return _core_pd_cap; } Pd_session_capability ref_pd_cap() const override { return _core_pd_cap; }
@ -221,6 +232,8 @@ namespace Genode {
int main() int main()
{ {
static int exit_value { 0 };
/** /**
* Disable tracing within core because it is currently not fully implemented. * Disable tracing within core because it is currently not fully implemented.
*/ */
@ -309,10 +322,10 @@ int main()
static Reconstructible<Core_child> static Reconstructible<Core_child>
init(services, local_rm, core_pd, core_pd_cap, core_cpu, core_cpu_cap, init(services, local_rm, core_pd, core_pd_cap, core_cpu, core_cpu_cap,
init_cap_quota, init_ram_quota, ep); init_cap_quota, init_ram_quota, ep, exit_value);
platform().wait_for_exit(); platform().wait_for_exit(exit_value);
init.destruct(); init.destruct();
return 0; return exit_value;
} }