diff options
Diffstat (limited to 'libpthread/sysdeps/viengoos/pt-thread-halt.c')
| -rw-r--r-- | libpthread/sysdeps/viengoos/pt-thread-halt.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/libpthread/sysdeps/viengoos/pt-thread-halt.c b/libpthread/sysdeps/viengoos/pt-thread-halt.c index aef1395..cfa861b 100644 --- a/libpthread/sysdeps/viengoos/pt-thread-halt.c +++ b/libpthread/sysdeps/viengoos/pt-thread-halt.c @@ -27,6 +27,25 @@ void __pthread_thread_halt (struct __pthread *thread) { + /* We need to be careful. This function is called in three + situations: by the thread itself when it is about to exit, by a + thread joining it, and when reusing an existing thread. Hence, + it must be kosher to interrupt this functions execution at any + point: syncronization is difficult as in the first case, there is + no way to indicate completion. */ if (thread->have_kernel_resources) - thread_stop (thread->object); + { + if (thread == _pthread_self ()) + { + while (1) + vg_suspend (); + } + else + { + error_t err = thread_stop (thread->object); + if (err) + panic ("Failed to halt " ADDR_FMT ": %d", + ADDR_PRINTF (thread->object), err); + } + } } |