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-rw-r--r--nptl/pthread_create.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c
index 122778b..f2f206b 100644
--- a/nptl/pthread_create.c
+++ b/nptl/pthread_create.c
@@ -314,6 +314,17 @@ start_thread (void *arg)
if (IS_DETACHED (pd))
/* Free the TCB. */
__free_tcb (pd);
+ else if (__builtin_expect (pd->cancelhandling & SETXID_BITMASK, 0))
+ {
+ /* Some other thread might call any of the setXid functions and expect
+ us to reply. In this case wait until we did that. */
+ do
+ lll_futex_wait (&pd->setxid_futex, 0);
+ while (pd->cancelhandling & SETXID_BITMASK);
+
+ /* Reset the value so that the stack can be reused. */
+ pd->setxid_futex = 0;
+ }
/* We cannot call '_exit' here. '_exit' will terminate the process.
@@ -354,7 +365,7 @@ __pthread_create_2_1 (newthread, attr, start_routine, arg)
accessing far-away memory. */
iattr = &default_attr;
- struct pthread *pd;
+ struct pthread *pd = NULL;
int err = ALLOCATE_STACK (iattr, &pd);
if (__builtin_expect (err != 0, 0))
/* Something went wrong. Maybe a parameter of the attributes is