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| author | Ulrich Drepper <drepper@redhat.com> | 2007-08-21 23:55:36 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-08-21 23:55:36 +0000 |
| commit | 2a01ce56b7d585c0e760ba27e0a07819f3b8b723 (patch) | |
| tree | 3b598b3518db114c32997054a406ae07d27558cf /nptl/allocatestack.c | |
| parent | 45dc3ad77e9ab9648365866c64650593114c84fb (diff) | |
| download | glibc-2a01ce56b7d585c0e760ba27e0a07819f3b8b723.zip glibc-2a01ce56b7d585c0e760ba27e0a07819f3b8b723.tar.gz glibc-2a01ce56b7d585c0e760ba27e0a07819f3b8b723.tar.bz2 | |
[BZ #4938]
2007-08-21 Ulrich Drepper <drepper@redhat.com>
[BZ #4938]
* allocatestack.c (__reclaim_stacks): Clear the TSD in the
reclaimed stack if necessary.
* Makefile (tests): Add tst-tsd6.
* tst-tsd6.c: New file.
Diffstat (limited to 'nptl/allocatestack.c')
| -rw-r--r-- | nptl/allocatestack.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index 02a84f4..c894e96 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -794,6 +794,26 @@ __reclaim_stacks (void) /* Account for the size of the stack. */ stack_cache_actsize += curp->stackblock_size; + + if (curp->specific_used) + { + /* Clear the thread-specific data. */ + memset (curp->specific_1stblock, '\0', + sizeof (curp->specific_1stblock)); + + curp->specific_used = false; + + for (size_t cnt = 1; cnt < PTHREAD_KEY_1STLEVEL_SIZE; ++cnt) + if (curp->specific[cnt] != NULL) + { + memset (curp->specific[cnt], '\0', + sizeof (curp->specific_1stblock)); + + /* We have allocated the block which we do not + free here so re-set the bit. */ + curp->specific_used = true; + } + } } } |