Subversion Repositories test_project

/*

 *  include/linux/signalfd.h

 *

 *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org>

 *

 */

#ifndef _LINUX_SIGNALFD_H

#define _LINUX_SIGNALFD_H

struct signalfd_siginfo {

        __u32 ssi_signo;

        __s32 ssi_errno;

        __s32 ssi_code;

        __u32 ssi_pid;

        __u32 ssi_uid;

        __s32 ssi_fd;

        __u32 ssi_tid;

        __u32 ssi_band;

        __u32 ssi_overrun;

        __u32 ssi_trapno;

        __s32 ssi_status;

        __s32 ssi_int;

        __u64 ssi_ptr;

        __u64 ssi_utime;

        __u64 ssi_stime;

        __u64 ssi_addr;

        /*

         * Pad strcture to 128 bytes. Remember to update the

         * pad size when you add new memebers. We use a fixed

         * size structure to avoid compatibility problems with

         * future versions, and we leave extra space for additional

         * members. We use fixed size members because this strcture

         * comes out of a read(2) and we really don't want to have

         * a compat on read(2).

         */

        __u8 __pad[48];

};

#ifdef __KERNEL__

#ifdef CONFIG_SIGNALFD

/*

 * Deliver the signal to listening signalfd.

 */

static inline void signalfd_notify(struct task_struct *tsk, int sig)

{

        if (unlikely(waitqueue_active(&tsk->sighand->signalfd_wqh)))

                wake_up(&tsk->sighand->signalfd_wqh);

}

#else /* CONFIG_SIGNALFD */

static inline void signalfd_notify(struct task_struct *tsk, int sig) { }

#endif /* CONFIG_SIGNALFD */

#endif /* __KERNEL__ */

#endif /* _LINUX_SIGNALFD_H */