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| author | Ulrich Drepper <drepper@redhat.com> | 2003-02-14 18:33:54 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-02-14 18:33:54 +0000 |
| commit | e320ef46a7283517aeba1decc20ffb38ed131281 (patch) | |
| tree | be9af48c1823694fde8d21ef1de61918b8205126 /nptl/pthread_cancel.c | |
| parent | 700bf7af9f98174f33ac177332bcbcd644055474 (diff) | |
| download | glibc-e320ef46a7283517aeba1decc20ffb38ed131281.zip glibc-e320ef46a7283517aeba1decc20ffb38ed131281.tar.gz glibc-e320ef46a7283517aeba1decc20ffb38ed131281.tar.bz2 | |
Update.
* descr.h: Define CANCELING_BIT and CANCELING_BITMASK. Introduce
after CANCELTYPE_BIT, move the other bits up. Update CANCEL_RESTMASK.
* init.c (sigcancel_handler): Also set CANCELING_BITMASK bit in newval.
* pthread_cancel.c (pthread_cancel): Likewise. Also set CANCELING_BIT
if asynchronous canceling is enabled.
* pthread_join.c (pthread_join): When recognizing circular joins,
take into account the other thread might be already canceled.
* Makefile (tests): Add tst-join5.
* tst-join5.c: New file.
Diffstat (limited to 'nptl/pthread_cancel.c')
| -rw-r--r-- | nptl/pthread_cancel.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/nptl/pthread_cancel.c b/nptl/pthread_cancel.c index a189b6e..0dd97a2 100644 --- a/nptl/pthread_cancel.c +++ b/nptl/pthread_cancel.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -31,7 +31,7 @@ pthread_cancel (th) while (1) { int oldval = pd->cancelhandling; - int newval = oldval | CANCELED_BITMASK; + int newval = oldval | CANCELING_BITMASK | CANCELED_BITMASK; /* Avoid doing unnecessary work. The atomic operation can potentially be expensive if the bug has to be locked and @@ -44,6 +44,9 @@ pthread_cancel (th) expensive. */ if (CANCEL_ENABLED_AND_CANCELED_AND_ASYNCHRONOUS (newval)) { + /* Mark the cancellation as "in progress". */ + atomic_bit_set (&pd->cancelhandling, CANCELING_BIT); + /* The cancellation handler will take care of marking the thread as canceled. */ __pthread_kill (th, SIGCANCEL); |