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* include/link.h (FORCED_DYNAMIC_TLS_OFFSET): Define.

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* elf/dl-close.c (_dl_close): Check for it.
	* elf/dl-reloc.c (CHECK_STATIC_TLS): Likewise.
	(_dl_allocate_static_tls): Likewise.
	* elf/dl-tls.c (_dl_allocate_tls_init): Likewise.
	(__tls_get_addr): Protect from race conditions in setting l_tls_offset
	to it.
	* elf/tst-tls16.c: New file.
	* elf/tst-tlsmod16a.c: New file.
	* elf/tst-tlsmod16b.c: New file.
	* elf/Makefile: Add rules to build and run tst-tls16.
This commit is contained in:
Ulrich Drepper
2008-01-17 20:20:00 +00:00
parent a0f6c236e0
commit 4c533566c2
9 changed files with 138 additions and 10 deletions
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3
elf/dl-close.c
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@ -531,7 +531,8 @@ _dl_close_worker (struct link_map *map)
/* All dynamically loaded modules with TLS are unloaded. */
GL(dl_tls_max_dtv_idx) = GL(dl_tls_static_nelem);
if (imap->l_tls_offset != NO_TLS_OFFSET)
if (imap->l_tls_offset != NO_TLS_OFFSET
&& imap->l_tls_offset != FORCED_DYNAMIC_TLS_OFFSET)
{
/* Collect a contiguous chunk built from the objects in
this search list, going in either direction. When the