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* cancellation.c (__pthread_disable_asynccancel): Use THREAD_ATOMIC_AND

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is available.
	* libc-cancellation.c (__libc_disable_asynccancel): Likewise.
	* sysdeps/x86_64/tls.h: Define THREAD_ATOMIC_AND.
	* sysdeps/i386/tls.h: Likewise.
	(tcbhead_t): Add __private_tm member.
This commit is contained in:
Ulrich Drepper
2009-04-27 21:55:49 +00:00
parent 6284c9f61e
commit d5c157a978
5 changed files with 49 additions and 4 deletions
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7
nptl/libc-cancellation.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -86,6 +86,10 @@ __libc_disable_asynccancel (int oldtype)
return;
struct pthread *self = THREAD_SELF;
#ifdef THREAD_ATOMIC_AND
THREAD_ATOMIC_AND (self, cancelhandling, ~CANCELTYPE_BITMASK);
#else
int oldval = THREAD_GETMEM (self, cancelhandling);
while (1)
@ -103,6 +107,7 @@ __libc_disable_asynccancel (int oldtype)
/* Prepare the next round. */
oldval = curval;
}
#endif
}