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base: no exit handler for libc stdout log console

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We don't want Genode environment objects that register their destructor
for program exit as it is mostly unnecessary and easily produces
dangling pointers. Thus, use unmanaged_singleton instead of the static
keyword.

Fixes #1941
This commit is contained in:
Martin Stein 2016-04-20 17:28:53 +02:00 committed by Christian Helmuth
parent bf5df7d88d
commit cba6f5f298
1 changed files with 2 additions and 16 deletions
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18
repos/base/src/base/console/log_console.cc
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@ -16,13 +16,10 @@
#include <base/console.h>
#include <base/lock.h>
#include <base/env.h>
#include <base/internal/unmanaged_singleton.h>
using namespace Genode;
void *operator new (size_t, void *ptr) { return ptr; }
class Log_console : public Console
{
private:
@ -104,18 +101,7 @@ class Log_console : public Console
* use the 'Log_console' as backend.
*/
Log_console *stdout_log_console()
{
/*
* Construct the log console object on the first call of this function.
* In constrast to having a static variable in the global scope, the
* constructor gets only called when needed and no static constructor
* gets invoked by the initialization code.
*/
static Log_console static_log_console;
return &static_log_console;
}
static Log_console *stdout_log_console() { return unmanaged_singleton<Log_console>(); }
/**