14e4a0f2bb
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Adrian Bunk <bunk@kernel.org>
66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
/*
|
|
* 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 members. 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 */
|
|
|