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select: add a poll specific struct to the restart_block union

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with hrtimer poll/select, the signal restart data no longer is a single
long representing a jiffies count, but it becomes a second/nanosecond pair
that also needs to encode if there was a timeout at all or not.

This patch adds a struct to the restart_block union for this purpose

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
This commit is contained in:
Thomas Gleixner 2008-08-31 08:19:15 -07:00 committed by Arjan van de Ven
parent b773ad40ac
commit be5dad20a5
1 changed files with 8 additions and 0 deletions
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8
include/linux/thread_info.h
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@ -38,6 +38,14 @@ struct restart_block {
#endif
u64 expires;
} nanosleep;
/* For poll */
struct {
struct pollfd __user *ufds;
int nfds;
int has_timeout;
unsigned long tv_sec;
unsigned long tv_nsec;
} poll;
};
};