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base-linux: reflect SIGCHLD as Cpu_session signal

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With this patch, core responds to SIGCHLD signals of terminating Genode
processes by reflecting these events as exceptions to the CPU session
interface. This way, Genode processes become able to respond to
terminating Genode child processes.
This commit is contained in:
Norman Feske
2013-01-03 16:23:11 +01:00
parent 38272b9172
commit 693d657e6a
9 changed files with 170 additions and 28 deletions
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20
base-linux/src/base/env/platform_env.cc vendored
View File

@ -20,6 +20,9 @@
using namespace Genode;
/****************************************************
** Support for Platform_env_base::Rm_session_mmap **
****************************************************/
@ -95,7 +98,9 @@ void Platform_env::Local_parent::close(Session_capability session)
Platform_env::Local_parent::Local_parent(Parent_capability parent_cap)
: Parent_client(parent_cap) { }
: Parent_client(parent_cap)
{
}
/******************
@ -142,6 +147,19 @@ Platform_env::Local_parent &Platform_env::_parent()
}
Platform_env::Platform_env()
:
Platform_env_base(static_cap_cast<Ram_session>(_parent().session("Env::ram_session", "")),
static_cap_cast<Cpu_session>(_parent().session("Env::cpu_session", "")),
static_cap_cast<Pd_session> (_parent().session("Env::pd_session", ""))),
_heap(Platform_env_base::ram_session(), Platform_env_base::rm_session())
{
/* register TID and PID of the main thread at core */
cpu_session()->thread_id(parent()->main_thread_cap(),
lx_getpid(), lx_gettid());
}
/*****************************
** Support for IPC library **
*****************************/