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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [signalfd.h] - Blame information for rev 81

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Line No. Rev Author Line
1 62 marcus.erl
/*
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 *  include/linux/signalfd.h
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 *
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 *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org>
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 *
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 */
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#ifndef _LINUX_SIGNALFD_H
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#define _LINUX_SIGNALFD_H
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struct signalfd_siginfo {
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        __u32 ssi_signo;
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        __s32 ssi_errno;
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        __s32 ssi_code;
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        __u32 ssi_pid;
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        __u32 ssi_uid;
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        __s32 ssi_fd;
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        __u32 ssi_tid;
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        __u32 ssi_band;
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        __u32 ssi_overrun;
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        __u32 ssi_trapno;
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        __s32 ssi_status;
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        __s32 ssi_int;
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        __u64 ssi_ptr;
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        __u64 ssi_utime;
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        __u64 ssi_stime;
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        __u64 ssi_addr;
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        /*
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         * Pad strcture to 128 bytes. Remember to update the
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         * pad size when you add new memebers. We use a fixed
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         * size structure to avoid compatibility problems with
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         * future versions, and we leave extra space for additional
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         * members. We use fixed size members because this strcture
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         * comes out of a read(2) and we really don't want to have
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         * a compat on read(2).
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         */
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        __u8 __pad[48];
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};
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#ifdef __KERNEL__
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#ifdef CONFIG_SIGNALFD
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/*
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 * Deliver the signal to listening signalfd.
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 */
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static inline void signalfd_notify(struct task_struct *tsk, int sig)
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{
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        if (unlikely(waitqueue_active(&tsk->sighand->signalfd_wqh)))
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                wake_up(&tsk->sighand->signalfd_wqh);
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}
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#else /* CONFIG_SIGNALFD */
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static inline void signalfd_notify(struct task_struct *tsk, int sig) { }
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#endif /* CONFIG_SIGNALFD */
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#endif /* __KERNEL__ */
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#endif /* _LINUX_SIGNALFD_H */
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