diff options
Diffstat (limited to 'nptl/pthread_create.c')
| -rw-r--r-- | nptl/pthread_create.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c index 122778bddf..f2f206be5a 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 |