[PATCH] lightweight robust futexes: core
Add the core infrastructure for robust futexes: structure definitions, the new syscalls and the do_exit() based cleanup mechanism. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arjan van de Ven <arjan@infradead.org> Acked-by: Ulrich Drepper <drepper@redhat.com> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds
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@ -35,6 +35,7 @@
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#include <linux/topology.h>
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#include <linux/seccomp.h>
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#include <linux/rcupdate.h>
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#include <linux/futex.h>
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#include <linux/auxvec.h> /* For AT_VECTOR_SIZE */
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@ -872,6 +873,8 @@ struct task_struct {
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int cpuset_mems_generation;
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int cpuset_mem_spread_rotor;
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#endif
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struct robust_list_head __user *robust_list;
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atomic_t fs_excl; /* holding fs exclusive resources */
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struct rcu_head rcu;
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};
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