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LibC+LibPthread: Make sure TLS keys are destroyed after everything else

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This ensures that __thread variables can be used when global destructors
are being invoked.
This commit is contained in:
Gunnar Beutner 2021-04-17 18:37:00 +02:00 • committed by Andreas Kling
parent 6eedb570a2
commit 4075b306f8
3 changed files with 18 additions and 12 deletions
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7
Userland/Libraries/LibC/stdlib.cpp
View file

@ -31,6 +31,7 @@
#include <AK/Types.h>
#include <AK/Utf8View.h>
#include <LibELF/AuxiliaryVector.h>
#include <LibPthread/pthread.h>
#include <alloca.h>
#include <assert.h>
#include <ctype.h>
@ -48,6 +49,8 @@
#include <syscall.h>
#include <unistd.h>
void (*__libc_pthread_key_destroy_for_current_thread)() = nullptr;
static void strtons(const char* str, char** endptr)
{
assert(endptr);
@ -224,6 +227,10 @@ void exit(int status)
_fini();
fflush(stdout);
fflush(stderr);
if (__libc_pthread_key_destroy_for_current_thread)
__libc_pthread_key_destroy_for_current_thread();
_exit(status);
}