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 18struct qemu_signalfd_siginfo { 19 uint32_t ssi_signo; /* Signal number */ 20 int32_t ssi_errno; /* Error number (unused) */ 21 int32_t ssi_code; /* Signal code */ 22 uint32_t ssi_pid; /* PID of sender */ 23 uint32_t ssi_uid; /* Real UID of sender */ 24 int32_t ssi_fd; /* File descriptor (SIGIO) */ 25 uint32_t ssi_tid; /* Kernel timer ID (POSIX timers) */ 26 uint32_t ssi_band; /* Band event (SIGIO) */ 27 uint32_t ssi_overrun; /* POSIX timer overrun count */ 28 uint32_t ssi_trapno; /* Trap number that caused signal */ 29 int32_t ssi_status; /* Exit status or signal (SIGCHLD) */ 30 int32_t ssi_int; /* Integer sent by sigqueue(2) */ 31 uint64_t ssi_ptr; /* Pointer sent by sigqueue(2) */ 32 uint64_t ssi_utime; /* User CPU time consumed (SIGCHLD) */ 33 uint64_t ssi_stime; /* System CPU time consumed (SIGCHLD) */ 34 uint64_t ssi_addr; /* Address that generated signal 35 (for hardware-generated signals) */ 36 uint8_t pad[48]; /* Pad size to 128 bytes (allow for 37 additional fields in the future) */ 38}; 39 40int qemu_signalfd(const sigset_t *mask); 41 42#endif 43