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* hurd/thread-cancel.c (hurd_thread_cancel): When cancelling the calling thread, set the cancellation flag and return success instead of EINTR.

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2000-07-25  Mark Kettenis  <kettenis@gnu.org>

	* hurd/thread-cancel.c (hurd_thread_cancel): When cancelling the
	calling thread, set the cancellation flag and return success
	instead of EINTR.
This commit is contained in:
Mark Kettenis 2000-07-25 21:43:38 +00:00
parent a3b231b751
commit 2d3d740b6f
2 changed files with 15 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2000-07-25 Mark Kettenis <kettenis@gnu.org>
* hurd/thread-cancel.c (hurd_thread_cancel): When cancelling the
calling thread, set the cancellation flag and return success
instead of EINTR.
2000-07-25 Ulrich Drepper <drepper@redhat.com> 2000-07-25 Ulrich Drepper <drepper@redhat.com>
* libio/Makefile: Add rules build, run, and distribute tst-widetext.c. * libio/Makefile: Add rules build, run, and distribute tst-widetext.c.

11
hurd/thread-cancel.c
View File

@ -1,5 +1,5 @@
/* Thread cancellation support. /* Thread cancellation support.
Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -43,7 +43,14 @@ hurd_thread_cancel (thread_t thread)
if (! ss) if (! ss)
return EINVAL; return EINVAL;
if (ss == _hurd_self_sigstate ()) if (ss == _hurd_self_sigstate ())
return EINTR; /* Bozo. */ {
/* We are cancelling ourselves, so it is easy to succeed
quickly. Since this function is not a cancellation point, we
just leave the flag set pending the next cancellation point
(hurd_check_cancel or RPC) and return success. */
ss->cancel = 1;
return 0;
}
assert (! __spin_lock_locked (&ss->critical_section_lock)); assert (! __spin_lock_locked (&ss->critical_section_lock));
__spin_lock (&ss->critical_section_lock); __spin_lock (&ss->critical_section_lock);