/* * 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); bool qemu_signalfd_available(void); #endif