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authorNick Piggin <npiggin@suse.de>2007-05-08 00:26:43 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:03 -0700
commit72c1bbf308c75a136803d2d76d0e18258be14c7a (patch)
tree647fe566121ba004590e5b639ae791ec4af7955d /fs
parent9adef58b1d4fbb58d7daed931b6790c5a3b7543a (diff)
futex: restartable futex_wait
LTP test sigaction_16_24 fails, because it expects sem_wait to be restarted if SA_RESTART is set. sem_wait is implemented with futex_wait, that currently doesn't support being restarted. Ulrich confirms that the call should be restartable. Implement a restart_block method to handle the relative timeout, and allow restarts. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Ulrich Drepper <drepper@redhat.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Roland McGrath <roland@redhat.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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