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fb6cc127e0
Introduces the TRAP_PERF si_code, and associated siginfo_t field si_perf. These will be used by the perf event subsystem to send signals (if requested) to the task where an event occurred. Signed-off-by: Marco Elver <elver@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k Acked-by: Arnd Bergmann <arnd@arndb.de> # asm-generic Link: https://lkml.kernel.org/r/20210408103605.1676875-6-elver@google.com
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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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 _UAPI_LINUX_SIGNALFD_H
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#define _UAPI_LINUX_SIGNALFD_H
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#include <linux/types.h>
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/* For O_CLOEXEC and O_NONBLOCK */
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#include <linux/fcntl.h>
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/* Flags for signalfd4. */
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#define SFD_CLOEXEC O_CLOEXEC
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#define SFD_NONBLOCK O_NONBLOCK
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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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__u16 ssi_addr_lsb;
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__u16 __pad2;
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__s32 ssi_syscall;
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__u64 ssi_call_addr;
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__u32 ssi_arch;
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__u32 __pad3;
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__u64 ssi_perf;
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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 members. 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[16];
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};
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#endif /* _UAPI_LINUX_SIGNALFD_H */
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