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authorRoland McGrath <roland@gnu.org>2002-11-14 00:48:38 +0000
committerRoland McGrath <roland@gnu.org>2002-11-14 00:48:38 +0000
commitcdedcc7943114bbbcbc2be1a0ef5716b0ef2e862 (patch)
treef1a610e971d0fe8da26eafb54d9c680de28ce1e4 /sysdeps
parente2df2b3e64a97bc698d6492402a94c8b7131963a (diff)
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* sysdeps/generic/dl-tls.c (_dl_allocate_tls_storage): Zero the space
for the new TCB.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/generic/dl-tls.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/generic/dl-tls.c b/sysdeps/generic/dl-tls.c
index 2c68a25..014c3a4 100644
--- a/sysdeps/generic/dl-tls.c
+++ b/sysdeps/generic/dl-tls.c
@@ -262,6 +262,10 @@ _dl_allocate_tls_storage (void)
result = (char *) result + GL(dl_tls_static_size) - TLS_TCB_SIZE;
# endif
+ /* Clear the TCB data structure. We can't ask the caller (i.e.
+ libpthread) to do it, because we will initialize the DTV et al. */
+ memset (result, 0, TLS_TCB_SIZE);
+
result = allocate_dtv (result);
if (result == NULL)
free (allocated);