mirror of https://gitee.com/openkylin/qemu.git
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*
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* signalfd/eventfd compatibility
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*
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* Copyright IBM, Corp. 2008
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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*/
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#ifndef QEMU_COMPATFD_H
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#define QEMU_COMPATFD_H
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#include <signal.h>
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struct qemu_signalfd_siginfo {
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uint32_t ssi_signo; /* Signal number */
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int32_t ssi_errno; /* Error number (unused) */
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int32_t ssi_code; /* Signal code */
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uint32_t ssi_pid; /* PID of sender */
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uint32_t ssi_uid; /* Real UID of sender */
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int32_t ssi_fd; /* File descriptor (SIGIO) */
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uint32_t ssi_tid; /* Kernel timer ID (POSIX timers) */
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uint32_t ssi_band; /* Band event (SIGIO) */
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uint32_t ssi_overrun; /* POSIX timer overrun count */
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uint32_t ssi_trapno; /* Trap number that caused signal */
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int32_t ssi_status; /* Exit status or signal (SIGCHLD) */
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int32_t ssi_int; /* Integer sent by sigqueue(2) */
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uint64_t ssi_ptr; /* Pointer sent by sigqueue(2) */
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uint64_t ssi_utime; /* User CPU time consumed (SIGCHLD) */
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uint64_t ssi_stime; /* System CPU time consumed (SIGCHLD) */
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uint64_t ssi_addr; /* Address that generated signal
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(for hardware-generated signals) */
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uint8_t pad[48]; /* Pad size to 128 bytes (allow for
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additional fields in the future) */
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};
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int qemu_signalfd(const sigset_t *mask);
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bool qemu_signalfd_available(void);
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#endif
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