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-rw-r--r--nptl/sysdeps/sh/tls.h3
-rw-r--r--nptl/sysdeps/unix/sysv/linux/timer_routines.c5
2 files changed, 6 insertions, 2 deletions
diff --git a/nptl/sysdeps/sh/tls.h b/nptl/sysdeps/sh/tls.h
index 88b13a35c8..db490ab7ee 100644
--- a/nptl/sysdeps/sh/tls.h
+++ b/nptl/sysdeps/sh/tls.h
@@ -118,7 +118,8 @@ typedef struct
__self - 1;})
/* Magic for libthread_db to know how to do THREAD_SELF. */
-# define DB_THREAD_SELF REGISTER (32, 32, REG_GBR * 4, 0)
+# define DB_THREAD_SELF \
+ REGISTER (32, 32, REG_GBR * 4, -sizeof (struct pthread))
/* Read member of the thread descriptor directly. */
# define THREAD_GETMEM(descr, member) (descr->member)
diff --git a/nptl/sysdeps/unix/sysv/linux/timer_routines.c b/nptl/sysdeps/unix/sysv/linux/timer_routines.c
index ae5f1f7b54..23c800f98e 100644
--- a/nptl/sysdeps/unix/sysv/linux/timer_routines.c
+++ b/nptl/sysdeps/unix/sysv/linux/timer_routines.c
@@ -122,10 +122,13 @@ __start_helper_thread (void)
(void) pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
/* Block all signals in the helper thread. To do this thoroughly we
- temporarily have to block all signals here. */
+ temporarily have to block all signals here. The helper can lose
+ wakeups if SIGCANCEL is not blocked throughout, but sigfillset omits
+ it. So, we add it back explicitly here. */
sigset_t ss;
sigset_t oss;
sigfillset (&ss);
+ __sigaddset (&ss, SIGCANCEL);
INTERNAL_SYSCALL_DECL (err);
INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, &oss, _NSIG / 8);