diff options
| -rw-r--r-- | nptl/ChangeLog | 7 | ||||
| -rw-r--r-- | nptl/sysdeps/pthread/createthread.c | 16 |
2 files changed, 20 insertions, 3 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 2182cac1cf..01c6c10165 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,5 +1,12 @@ 2004-09-24 Ulrich Drepper <drepper@redhat.com> + * pthread_create.c (__pthread_create_2_1): Remember whether thread + is created detached and if yes, do not try to free the stack in case + the thread creation failed. + * sysdeps/pthread/createthread.c (do_clone): Free stack here if clone + call fails. Don't depend on INTERNAL_SYSCALL_ERRNO return zero in + case there has been no error. [BZ #405] + * pthread_create.c (start_thread): Don't wait for scheduler data etc to be set at the beginning of the function. The cancellation infrastructure must have been set up. And enable async diff --git a/nptl/sysdeps/pthread/createthread.c b/nptl/sysdeps/pthread/createthread.c index 49383cf769..fb8d8ce937 100644 --- a/nptl/sysdeps/pthread/createthread.c +++ b/nptl/sysdeps/pthread/createthread.c @@ -66,8 +66,16 @@ do_clone (struct pthread *pd, const struct pthread_attr *attr, if (ARCH_CLONE (fct, STACK_VARIABLES_ARGS, clone_flags, pd, &pd->tid, TLS_VALUE, &pd->tid) == -1) - /* Failed. */ - return errno; + { + /* Failed. If the thread is detached, remove the TCB here since + the caller cannot do this. The caller remembered the thread + as detached and cannot reverify that it is not since it must + not access the thread descriptor again. */ + if (IS_DETACHED (pd)) + __deallocate_stack (pd); + + return errno; + } /* Now we have the possibility to set scheduling parameters etc. */ if (__builtin_expect (stopped != 0, 0)) @@ -95,7 +103,9 @@ do_clone (struct pthread *pd, const struct pthread_attr *attr, (void) INTERNAL_SYSCALL (tkill, err2, 2, pd->tid, SIGCANCEL); #endif - return INTERNAL_SYSCALL_ERRNO (res, err); + return (INTERNAL_SYSCALL_ERROR_P (res, err) + ? INTERNAL_SYSCALL_ERRNO (res, err) + : 0); } } |