1/*
2 * signalfd/eventfd compatibility
3 *
4 * Copyright IBM, Corp. 2008
5 *
6 * Authors:
7 *  Anthony Liguori   <aliguori@us.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2.  See
10 * the COPYING file in the top-level directory.
11 *
12 */
13
14#ifndef QEMU_COMPATFD_H
15#define QEMU_COMPATFD_H
16
17#include <signal.h>
18
19struct qemu_signalfd_siginfo {
20    uint32_t ssi_signo;   /* Signal number */
21    int32_t  ssi_errno;   /* Error number (unused) */
22    int32_t  ssi_code;    /* Signal code */
23    uint32_t ssi_pid;     /* PID of sender */
24    uint32_t ssi_uid;     /* Real UID of sender */
25    int32_t  ssi_fd;      /* File descriptor (SIGIO) */
26    uint32_t ssi_tid;     /* Kernel timer ID (POSIX timers) */
27    uint32_t ssi_band;    /* Band event (SIGIO) */
28    uint32_t ssi_overrun; /* POSIX timer overrun count */
29    uint32_t ssi_trapno;  /* Trap number that caused signal */
30    int32_t  ssi_status;  /* Exit status or signal (SIGCHLD) */
31    int32_t  ssi_int;     /* Integer sent by sigqueue(2) */
32    uint64_t ssi_ptr;     /* Pointer sent by sigqueue(2) */
33    uint64_t ssi_utime;   /* User CPU time consumed (SIGCHLD) */
34    uint64_t ssi_stime;   /* System CPU time consumed (SIGCHLD) */
35    uint64_t ssi_addr;    /* Address that generated signal
36                             (for hardware-generated signals) */
37    uint8_t  pad[48];     /* Pad size to 128 bytes (allow for
38                             additional fields in the future) */
39};
40
41int qemu_signalfd(const sigset_t *mask);
42
43#endif
44