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Revert "Async-signal safe TLS."

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This reverts commit 7f507ee17a.

Conflicts:
	ChangeLog
	nptl/tst-tls7.c
	nptl/tst-tls7mod.c
This commit is contained in:
Allan McRae
2014-02-05 21:14:59 +10:00
parent 27e839f6f0
commit 73d61e4f6c
9 changed files with 45 additions and 332 deletions
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13
nptl/allocatestack.c
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@ -1173,18 +1173,13 @@ init_one_static_tls (struct pthread *curp, struct link_map *map)
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
# endif
/* Fill in the DTV slot so that a later LD/GD access will find it. */
dtv[map->l_tls_modid].pointer.val = dest;
dtv[map->l_tls_modid].pointer.is_static = true;
/* Initialize the memory. */
memset (__mempcpy (dest, map->l_tls_initimage, map->l_tls_initimage_size),
'\0', map->l_tls_blocksize - map->l_tls_initimage_size);
/* Fill in the DTV slot so that a later LD/GD access will find it. */
dtv[map->l_tls_modid].pointer.is_static = true;
/* Pairs against the read barrier in tls_get_attr_tail, guaranteeing
any thread waiting for an update to pointer.val sees the
initimage write. */
atomic_write_barrier ();
dtv[map->l_tls_modid].pointer.val = dest;
}
void