Test case for failure detection detection
This commit is contained in:
Norman Feske
parent
9f82764316
commit
b0c18d0362
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/*
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* \brief Trigger segmentation fault
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* \author Norman Feske
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* \date 2012-11-01
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*/
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#include <base/printf.h>
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int main(int argc, char **argv)
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{
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Genode::printf("going to produce a segmentation fault...\n");
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*((int *)0x44) = 0x55;
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return 0;
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}
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TARGET = test-segfault
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SRC_CC = main.cc
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LIBS = cxx env
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#
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# \brief Test reflection of segmentation faults to the user land
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# \author Norman Feske
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# \date 2012-11-01
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#
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#
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# Build
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#
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build { core init test/failsafe test/segfault }
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create_boot_directory
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#
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# Generate config
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#
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install_config {
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<config>
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<parent-provides>
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<service name="ROM"/>
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<service name="LOG"/>
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<service name="CAP"/>
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<service name="CPU"/>
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<service name="RAM"/>
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<service name="RM"/>
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<service name="PD"/>
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<service name="SIGNAL"/>
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</parent-provides>
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<default-route>
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<any-service> <parent/> <any-child/> </any-service>
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</default-route>
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<start name="test-failsafe">
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<resource name="RAM" quantum="10M"/>
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</start>
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</config>
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}
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#
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# Boot modules
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#
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# generic modules
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set boot_modules { core init test-failsafe test-segfault }
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build_boot_image $boot_modules
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#
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# Execute test case
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#
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run_genode_until "--- finished failsafe test ---.*\n" 10
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/*
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* \brief Test program for failsafe monitoring
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* \author Norman Feske
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* \date 2013-01-03
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*/
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/*
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* Copyright (C) 2008-2012 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#include <base/printf.h>
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#include <base/env.h>
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#include <base/sleep.h>
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#include <base/child.h>
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#include <ram_session/connection.h>
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#include <rom_session/connection.h>
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#include <cpu_session/connection.h>
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#include <cap_session/connection.h>
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class Test_child : public Genode::Child_policy
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{
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private:
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struct Resources
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{
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Genode::Ram_connection ram;
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Genode::Cpu_connection cpu;
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Genode::Rm_connection rm;
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Resources(Genode::Signal_context_capability sigh)
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{
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using namespace Genode;
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/* transfer some of our own ram quota to the new child */
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enum { CHILD_QUOTA = 1*1024*1024 };
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ram.ref_account(env()->ram_session_cap());
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env()->ram_session()->transfer_quota(ram.cap(), CHILD_QUOTA);
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/*
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* Register default exception handler by specifying an invalid
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* thread capability.
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*/
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cpu.exception_handler(Thread_capability(), sigh);
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}
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} _resources;
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Genode::Rom_connection _elf;
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Genode::Child _child;
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Genode::Parent_service _log_service;
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public:
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/**
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* Constructor
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*/
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Test_child(Genode::Rpc_entrypoint &ep,
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char const *elf_name,
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Genode::Signal_context_capability sigh)
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:
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_resources(sigh),
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_elf(elf_name),
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_child(_elf.dataspace(), _resources.ram.cap(),
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_resources.cpu.cap(), _resources.rm.cap(), &ep, this),
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_log_service("LOG")
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{ }
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/****************************
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** Child-policy interface **
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****************************/
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const char *name() const { return "child"; }
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Genode::Service *resolve_session_request(const char *service, const char *)
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{
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/* forward log-session request to our parent */
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return !Genode::strcmp(service, "LOG") ? &_log_service : 0;
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}
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void filter_session_args(const char *service,
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char *args, Genode::size_t args_len)
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{
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/* define session label for sessions forwarded to our parent */
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Genode::Arg_string::set_arg(args, args_len, "label", "child");
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}
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};
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int main(int argc, char **argv)
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{
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using namespace Genode;
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printf("--- failsafe test started ---\n");
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/*
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* Entry point used for serving the parent interface
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*/
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enum { STACK_SIZE = 8*1024 };
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Cap_connection cap;
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Rpc_entrypoint ep(&cap, STACK_SIZE, "child");
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/*
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* Signal receiver of CPU-session exception signals
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*/
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static Signal_receiver sig_rec;
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for (int i = 0; i < 5; i++) {
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PLOG("create child %d", i);
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Signal_context sig_ctx;
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Signal_context_capability exception_sigh = sig_rec.manage(&sig_ctx);
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Test_child child(ep, "test-segfault", exception_sigh);
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Signal s = sig_rec.wait_for_signal();
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if (s.num() && s.context() == &sig_ctx) {
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PLOG("got exception for child %d", i);
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} else {
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PERR("got unexpected signal while waiting for child %d", i);
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return -2;
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}
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sig_rec.dissolve(&sig_ctx);
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/*
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* When finishing the loop iteration, the local variables including
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* 'child' will get destructed. A new child will be created at the
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* beginning of the next iteration.
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*/
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}
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printf("--- finished failsafe test ---\n");
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return 0;
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}
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@ -0,0 +1,3 @@
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TARGET = test-failsafe
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SRC_CC = main.cc
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LIBS = cxx env server signal child
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