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C++11 thread_local destructors support

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This feature is specifically for the C++ compiler to offload calling
thread_local object destructors on thread program exit, to glibc.
This is to overcome the possible complication of destructors of
thread_local objects getting called after the DSO in which they're
defined is unloaded by the dynamic linker.  The DSO is marked as
'unloadable' if it has a constructed thread_local object and marked as
'unloadable' again when all the constructed thread_local objects
defined in it are destroyed.
This commit is contained in:
Siddhesh Poyarekar
2013-02-18 19:08:21 +05:30
parent ffaa74cf68
commit ba384f6ed9
40 changed files with 422 additions and 2 deletions
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3
sysdeps/unix/sysv/linux/sparc/sparc32/nptl/libc.abilist
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@ -1776,6 +1776,9 @@ GLIBC_2.17
clock_nanosleep F
clock_settime F
secure_getenv F
GLIBC_2.18
GLIBC_2.18 A
__cxa_thread_atexit_impl F
GLIBC_2.2
GLIBC_2.2 A
_IO_adjust_wcolumn F

3
sysdeps/unix/sysv/linux/sparc/sparc64/nptl/libc.abilist
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@ -97,6 +97,9 @@ GLIBC_2.17
clock_nanosleep F
clock_settime F
secure_getenv F
GLIBC_2.18
GLIBC_2.18 A
__cxa_thread_atexit_impl F
GLIBC_2.2
GLIBC_2.2 A
_Exit F