Archipelago » qemu

/*

 * signalfd/eventfd compatibility

 *

 * Copyright IBM, Corp. 2008

 *

 * Authors:

 *  Anthony Liguori   <aliguori@us.ibm.com>

 *

 * This work is licensed under the terms of the GNU GPL, version 2.  See

 * the COPYING file in the top-level directory.

 *

 */

#ifndef QEMU_COMPATFD_H

#define QEMU_COMPATFD_H

#include <signal.h>

struct qemu_signalfd_siginfo {

    uint32_t ssi_signo;   /* Signal number */

    int32_t  ssi_errno;   /* Error number (unused) */

    int32_t  ssi_code;    /* Signal code */

    uint32_t ssi_pid;     /* PID of sender */

    uint32_t ssi_uid;     /* Real UID of sender */

    int32_t  ssi_fd;      /* File descriptor (SIGIO) */

    uint32_t ssi_tid;     /* Kernel timer ID (POSIX timers) */

    uint32_t ssi_band;    /* Band event (SIGIO) */

    uint32_t ssi_overrun; /* POSIX timer overrun count */

    uint32_t ssi_trapno;  /* Trap number that caused signal */

    int32_t  ssi_status;  /* Exit status or signal (SIGCHLD) */

    int32_t  ssi_int;     /* Integer sent by sigqueue(2) */

    uint64_t ssi_ptr;     /* Pointer sent by sigqueue(2) */

    uint64_t ssi_utime;   /* User CPU time consumed (SIGCHLD) */

    uint64_t ssi_stime;   /* System CPU time consumed (SIGCHLD) */

    uint64_t ssi_addr;    /* Address that generated signal

                             (for hardware-generated signals) */

    uint8_t  pad[48];     /* Pad size to 128 bytes (allow for

                             additional fields in the future) */

};

int qemu_signalfd(const sigset_t *mask);

#endif