Marcelo Tosatti | dcc38d1 | 2010-10-11 15:31:15 -0300 | [diff] [blame] | 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 | |
| 19 | struct 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 | |
| 41 | int qemu_signalfd(const sigset_t *mask); |
Jan Kiszka | d25f89c | 2011-06-17 11:25:49 +0200 | [diff] [blame] | 42 | bool qemu_signalfd_available(void); |
Marcelo Tosatti | dcc38d1 | 2010-10-11 15:31:15 -0300 | [diff] [blame] | 43 | |
| 44 | #endif |