16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 28a1ab315SDavid Howells #ifndef _UAPI_ASM_GENERIC_SIGINFO_H 38a1ab315SDavid Howells #define _UAPI_ASM_GENERIC_SIGINFO_H 48a1ab315SDavid Howells 58a1ab315SDavid Howells #include <linux/compiler.h> 68a1ab315SDavid Howells #include <linux/types.h> 78a1ab315SDavid Howells 88a1ab315SDavid Howells typedef union sigval { 98a1ab315SDavid Howells int sival_int; 108a1ab315SDavid Howells void __user *sival_ptr; 118a1ab315SDavid Howells } sigval_t; 128a1ab315SDavid Howells 138a1ab315SDavid Howells #define SI_MAX_SIZE 128 148a1ab315SDavid Howells 158a1ab315SDavid Howells /* 168a1ab315SDavid Howells * The default "si_band" type is "long", as specified by POSIX. 178a1ab315SDavid Howells * However, some architectures want to override this to "int" 188a1ab315SDavid Howells * for historical compatibility reasons, so we allow that. 198a1ab315SDavid Howells */ 208a1ab315SDavid Howells #ifndef __ARCH_SI_BAND_T 218a1ab315SDavid Howells #define __ARCH_SI_BAND_T long 228a1ab315SDavid Howells #endif 238a1ab315SDavid Howells 248a1ab315SDavid Howells #ifndef __ARCH_SI_CLOCK_T 258a1ab315SDavid Howells #define __ARCH_SI_CLOCK_T __kernel_clock_t 268a1ab315SDavid Howells #endif 278a1ab315SDavid Howells 288a1ab315SDavid Howells #ifndef __ARCH_SI_ATTRIBUTES 298a1ab315SDavid Howells #define __ARCH_SI_ATTRIBUTES 308a1ab315SDavid Howells #endif 318a1ab315SDavid Howells 3250ae8130SEric W. Biederman /* 3350ae8130SEric W. Biederman * Be careful when extending this union. On 32bit siginfo_t is 32bit 3450ae8130SEric W. Biederman * aligned. Which means that a 64bit field or any other field that 3550ae8130SEric W. Biederman * would increase the alignment of siginfo_t will break the ABI. 3650ae8130SEric W. Biederman */ 37f2838018SEric W. Biederman union __sifields { 388a1ab315SDavid Howells /* kill() */ 398a1ab315SDavid Howells struct { 408a1ab315SDavid Howells __kernel_pid_t _pid; /* sender's pid */ 414795477bSAl Viro __kernel_uid32_t _uid; /* sender's uid */ 428a1ab315SDavid Howells } _kill; 438a1ab315SDavid Howells 448a1ab315SDavid Howells /* POSIX.1b timers */ 458a1ab315SDavid Howells struct { 468a1ab315SDavid Howells __kernel_timer_t _tid; /* timer id */ 478a1ab315SDavid Howells int _overrun; /* overrun count */ 488a1ab315SDavid Howells sigval_t _sigval; /* same as below */ 498a1ab315SDavid Howells int _sys_private; /* not to be passed to user */ 508a1ab315SDavid Howells } _timer; 518a1ab315SDavid Howells 528a1ab315SDavid Howells /* POSIX.1b signals */ 538a1ab315SDavid Howells struct { 548a1ab315SDavid Howells __kernel_pid_t _pid; /* sender's pid */ 554795477bSAl Viro __kernel_uid32_t _uid; /* sender's uid */ 568a1ab315SDavid Howells sigval_t _sigval; 578a1ab315SDavid Howells } _rt; 588a1ab315SDavid Howells 598a1ab315SDavid Howells /* SIGCHLD */ 608a1ab315SDavid Howells struct { 618a1ab315SDavid Howells __kernel_pid_t _pid; /* which child */ 624795477bSAl Viro __kernel_uid32_t _uid; /* sender's uid */ 638a1ab315SDavid Howells int _status; /* exit code */ 648a1ab315SDavid Howells __ARCH_SI_CLOCK_T _utime; 658a1ab315SDavid Howells __ARCH_SI_CLOCK_T _stime; 668a1ab315SDavid Howells } _sigchld; 678a1ab315SDavid Howells 68deaf19c0SEric W. Biederman /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGTRAP, SIGEMT */ 698a1ab315SDavid Howells struct { 708a1ab315SDavid Howells void __user *_addr; /* faulting insn/memory ref. */ 712eb50e2eSEric W. Biederman #ifdef __ia64__ 722eb50e2eSEric W. Biederman int _imm; /* immediate value for "break" */ 732eb50e2eSEric W. Biederman unsigned int _flags; /* see ia64 si_flags */ 742eb50e2eSEric W. Biederman unsigned long _isr; /* isr */ 752eb50e2eSEric W. Biederman #endif 768420f719SEric W. Biederman 778420f719SEric W. Biederman #define __ADDR_BND_PKEY_PAD (__alignof__(void *) < sizeof(short) ? \ 788420f719SEric W. Biederman sizeof(short) : __alignof__(void *)) 79cd0ea35fSDave Hansen union { 80add0b32eSEric W. Biederman /* used on alpha and sparc */ 81add0b32eSEric W. Biederman int _trapno; /* TRAP # which caused the signal */ 82b68a68d3SEric W. Biederman /* 83b68a68d3SEric W. Biederman * used when si_code=BUS_MCEERR_AR or 84b68a68d3SEric W. Biederman * used when si_code=BUS_MCEERR_AO 85b68a68d3SEric W. Biederman */ 86b68a68d3SEric W. Biederman short _addr_lsb; /* LSB of the reported address */ 87cd0ea35fSDave Hansen /* used when si_code=SEGV_BNDERR */ 88ee1b58d3SQiaowei Ren struct { 898420f719SEric W. Biederman char _dummy_bnd[__ADDR_BND_PKEY_PAD]; 90ee1b58d3SQiaowei Ren void __user *_lower; 91ee1b58d3SQiaowei Ren void __user *_upper; 92ee1b58d3SQiaowei Ren } _addr_bnd; 93cd0ea35fSDave Hansen /* used when si_code=SEGV_PKUERR */ 94b68a68d3SEric W. Biederman struct { 958420f719SEric W. Biederman char _dummy_pkey[__ADDR_BND_PKEY_PAD]; 9649cd53bfSDave Hansen __u32 _pkey; 97b68a68d3SEric W. Biederman } _addr_pkey; 98fb6cc127SMarco Elver /* used when si_code=TRAP_PERF */ 990683b531SEric W. Biederman struct { 1000683b531SEric W. Biederman unsigned long _data; 1010683b531SEric W. Biederman __u32 _type; 10278ed93d7SMarco Elver __u32 _flags; 1030683b531SEric W. Biederman } _perf; 104cd0ea35fSDave Hansen }; 1058a1ab315SDavid Howells } _sigfault; 1068a1ab315SDavid Howells 1078a1ab315SDavid Howells /* SIGPOLL */ 1088a1ab315SDavid Howells struct { 1098a1ab315SDavid Howells __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 1108a1ab315SDavid Howells int _fd; 1118a1ab315SDavid Howells } _sigpoll; 1128a1ab315SDavid Howells 1138a1ab315SDavid Howells /* SIGSYS */ 1148a1ab315SDavid Howells struct { 1158a1ab315SDavid Howells void __user *_call_addr; /* calling user insn */ 1168a1ab315SDavid Howells int _syscall; /* triggering system call number */ 1178a1ab315SDavid Howells unsigned int _arch; /* AUDIT_ARCH_* of syscall */ 1188a1ab315SDavid Howells } _sigsys; 119f2838018SEric W. Biederman }; 120f2838018SEric W. Biederman 121f2838018SEric W. Biederman #ifndef __ARCH_HAS_SWAPPED_SIGINFO 122f2838018SEric W. Biederman #define __SIGINFO \ 123f2838018SEric W. Biederman struct { \ 124f2838018SEric W. Biederman int si_signo; \ 125f2838018SEric W. Biederman int si_errno; \ 126f2838018SEric W. Biederman int si_code; \ 127f2838018SEric W. Biederman union __sifields _sifields; \ 128f2838018SEric W. Biederman } 129f2838018SEric W. Biederman #else 130f2838018SEric W. Biederman #define __SIGINFO \ 131f2838018SEric W. Biederman struct { \ 132f2838018SEric W. Biederman int si_signo; \ 133f2838018SEric W. Biederman int si_code; \ 134f2838018SEric W. Biederman int si_errno; \ 135f2838018SEric W. Biederman union __sifields _sifields; \ 136f2838018SEric W. Biederman } 137f2838018SEric W. Biederman #endif /* __ARCH_HAS_SWAPPED_SIGINFO */ 138f2838018SEric W. Biederman 139f2838018SEric W. Biederman typedef struct siginfo { 140f2838018SEric W. Biederman union { 141f2838018SEric W. Biederman __SIGINFO; 142f2838018SEric W. Biederman int _si_pad[SI_MAX_SIZE/sizeof(int)]; 143f2838018SEric W. Biederman }; 1448a1ab315SDavid Howells } __ARCH_SI_ATTRIBUTES siginfo_t; 1458a1ab315SDavid Howells 1468a1ab315SDavid Howells /* 1478a1ab315SDavid Howells * How these fields are to be accessed. 1488a1ab315SDavid Howells */ 1498a1ab315SDavid Howells #define si_pid _sifields._kill._pid 1508a1ab315SDavid Howells #define si_uid _sifields._kill._uid 1518a1ab315SDavid Howells #define si_tid _sifields._timer._tid 1528a1ab315SDavid Howells #define si_overrun _sifields._timer._overrun 1538a1ab315SDavid Howells #define si_sys_private _sifields._timer._sys_private 1548a1ab315SDavid Howells #define si_status _sifields._sigchld._status 1558a1ab315SDavid Howells #define si_utime _sifields._sigchld._utime 1568a1ab315SDavid Howells #define si_stime _sifields._sigchld._stime 1578a1ab315SDavid Howells #define si_value _sifields._rt._sigval 1588a1ab315SDavid Howells #define si_int _sifields._rt._sigval.sival_int 1598a1ab315SDavid Howells #define si_ptr _sifields._rt._sigval.sival_ptr 1608a1ab315SDavid Howells #define si_addr _sifields._sigfault._addr 1618a1ab315SDavid Howells #define si_trapno _sifields._sigfault._trapno 1628a1ab315SDavid Howells #define si_addr_lsb _sifields._sigfault._addr_lsb 163ee1b58d3SQiaowei Ren #define si_lower _sifields._sigfault._addr_bnd._lower 164ee1b58d3SQiaowei Ren #define si_upper _sifields._sigfault._addr_bnd._upper 165b68a68d3SEric W. Biederman #define si_pkey _sifields._sigfault._addr_pkey._pkey 1660683b531SEric W. Biederman #define si_perf_data _sifields._sigfault._perf._data 1670683b531SEric W. Biederman #define si_perf_type _sifields._sigfault._perf._type 16878ed93d7SMarco Elver #define si_perf_flags _sifields._sigfault._perf._flags 1698a1ab315SDavid Howells #define si_band _sifields._sigpoll._band 1708a1ab315SDavid Howells #define si_fd _sifields._sigpoll._fd 1718a1ab315SDavid Howells #define si_call_addr _sifields._sigsys._call_addr 1728a1ab315SDavid Howells #define si_syscall _sifields._sigsys._syscall 1738a1ab315SDavid Howells #define si_arch _sifields._sigsys._arch 1748a1ab315SDavid Howells 1758a1ab315SDavid Howells /* 1768a1ab315SDavid Howells * si_code values 1778a1ab315SDavid Howells * Digital reserves positive values for kernel-generated signals. 1788a1ab315SDavid Howells */ 1798a1ab315SDavid Howells #define SI_USER 0 /* sent by kill, sigsend, raise */ 1808a1ab315SDavid Howells #define SI_KERNEL 0x80 /* sent by the kernel from somewhere */ 1818a1ab315SDavid Howells #define SI_QUEUE -1 /* sent by sigqueue */ 182cc731525SEric W. Biederman #define SI_TIMER -2 /* sent by timer expiration */ 183cc731525SEric W. Biederman #define SI_MESGQ -3 /* sent by real time mesq state change */ 1848a1ab315SDavid Howells #define SI_ASYNCIO -4 /* sent by AIO completion */ 185cc731525SEric W. Biederman #define SI_SIGIO -5 /* sent by queued SIGIO */ 1868a1ab315SDavid Howells #define SI_TKILL -6 /* sent by tkill system call */ 1878a1ab315SDavid Howells #define SI_DETHREAD -7 /* sent by execve() killing subsidiary threads */ 18875c0abb8SEric W. Biederman #define SI_ASYNCNL -60 /* sent by glibc async name lookup completion */ 1898a1ab315SDavid Howells 1908a1ab315SDavid Howells #define SI_FROMUSER(siptr) ((siptr)->si_code <= 0) 1918a1ab315SDavid Howells #define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0) 1928a1ab315SDavid Howells 1938a1ab315SDavid Howells /* 1948a1ab315SDavid Howells * SIGILL si_codes 1958a1ab315SDavid Howells */ 196cc731525SEric W. Biederman #define ILL_ILLOPC 1 /* illegal opcode */ 197cc731525SEric W. Biederman #define ILL_ILLOPN 2 /* illegal operand */ 198cc731525SEric W. Biederman #define ILL_ILLADR 3 /* illegal addressing mode */ 199cc731525SEric W. Biederman #define ILL_ILLTRP 4 /* illegal trap */ 200cc731525SEric W. Biederman #define ILL_PRVOPC 5 /* privileged opcode */ 201cc731525SEric W. Biederman #define ILL_PRVREG 6 /* privileged register */ 202cc731525SEric W. Biederman #define ILL_COPROC 7 /* coprocessor error */ 203cc731525SEric W. Biederman #define ILL_BADSTK 8 /* internal stack error */ 204ac54058dSEric W. Biederman #define ILL_BADIADDR 9 /* unimplemented instruction address */ 205ac54058dSEric W. Biederman #define __ILL_BREAK 10 /* illegal break */ 206ac54058dSEric W. Biederman #define __ILL_BNDMOD 11 /* bundle-update (modification) in progress */ 207ac54058dSEric W. Biederman #define NSIGILL 11 2088a1ab315SDavid Howells 2098a1ab315SDavid Howells /* 2108a1ab315SDavid Howells * SIGFPE si_codes 2118a1ab315SDavid Howells */ 212cc731525SEric W. Biederman #define FPE_INTDIV 1 /* integer divide by zero */ 213cc731525SEric W. Biederman #define FPE_INTOVF 2 /* integer overflow */ 214cc731525SEric W. Biederman #define FPE_FLTDIV 3 /* floating point divide by zero */ 215cc731525SEric W. Biederman #define FPE_FLTOVF 4 /* floating point overflow */ 216cc731525SEric W. Biederman #define FPE_FLTUND 5 /* floating point underflow */ 217cc731525SEric W. Biederman #define FPE_FLTRES 6 /* floating point inexact result */ 218cc731525SEric W. Biederman #define FPE_FLTINV 7 /* floating point invalid operation */ 219cc731525SEric W. Biederman #define FPE_FLTSUB 8 /* subscript out of range */ 220ac54058dSEric W. Biederman #define __FPE_DECOVF 9 /* decimal overflow */ 221ac54058dSEric W. Biederman #define __FPE_DECDIV 10 /* decimal division by zero */ 222ac54058dSEric W. Biederman #define __FPE_DECERR 11 /* packed decimal error */ 223ac54058dSEric W. Biederman #define __FPE_INVASC 12 /* invalid ASCII digit */ 224ac54058dSEric W. Biederman #define __FPE_INVDEC 13 /* invalid decimal digit */ 225266da65eSDave Martin #define FPE_FLTUNK 14 /* undiagnosed floating-point exception */ 22675abf642SHelge Deller #define FPE_CONDTRAP 15 /* trap on condition */ 22775abf642SHelge Deller #define NSIGFPE 15 2288a1ab315SDavid Howells 2298a1ab315SDavid Howells /* 2308a1ab315SDavid Howells * SIGSEGV si_codes 2318a1ab315SDavid Howells */ 232cc731525SEric W. Biederman #define SEGV_MAPERR 1 /* address not mapped to object */ 233cc731525SEric W. Biederman #define SEGV_ACCERR 2 /* invalid permissions for mapped object */ 234cc731525SEric W. Biederman #define SEGV_BNDERR 3 /* failed address bound checks */ 235ac54058dSEric W. Biederman #ifdef __ia64__ 236ac54058dSEric W. Biederman # define __SEGV_PSTKOVF 4 /* paragraph stack overflow */ 237ac54058dSEric W. Biederman #else 238cc731525SEric W. Biederman # define SEGV_PKUERR 4 /* failed protection key checks */ 239ac54058dSEric W. Biederman #endif 240d84bb709SKhalid Aziz #define SEGV_ACCADI 5 /* ADI not enabled for mapped object */ 241d84bb709SKhalid Aziz #define SEGV_ADIDERR 6 /* Disrupting MCD error */ 242d84bb709SKhalid Aziz #define SEGV_ADIPERR 7 /* Precise MCD exception */ 24374f10824SVincenzo Frascino #define SEGV_MTEAERR 8 /* Asynchronous ARM MTE error */ 24474f10824SVincenzo Frascino #define SEGV_MTESERR 9 /* Synchronous ARM MTE exception */ 245*a5f6c2acSRick Edgecombe #define SEGV_CPERR 10 /* Control protection fault */ 246*a5f6c2acSRick Edgecombe #define NSIGSEGV 10 2478a1ab315SDavid Howells 2488a1ab315SDavid Howells /* 2498a1ab315SDavid Howells * SIGBUS si_codes 2508a1ab315SDavid Howells */ 251cc731525SEric W. Biederman #define BUS_ADRALN 1 /* invalid address alignment */ 252cc731525SEric W. Biederman #define BUS_ADRERR 2 /* non-existent physical address */ 253cc731525SEric W. Biederman #define BUS_OBJERR 3 /* object specific hardware error */ 2548a1ab315SDavid Howells /* hardware memory error consumed on a machine check: action required */ 255cc731525SEric W. Biederman #define BUS_MCEERR_AR 4 2568a1ab315SDavid Howells /* hardware memory error detected in process but not consumed: action optional*/ 257cc731525SEric W. Biederman #define BUS_MCEERR_AO 5 2588a1ab315SDavid Howells #define NSIGBUS 5 2598a1ab315SDavid Howells 2608a1ab315SDavid Howells /* 2618a1ab315SDavid Howells * SIGTRAP si_codes 2628a1ab315SDavid Howells */ 263cc731525SEric W. Biederman #define TRAP_BRKPT 1 /* process breakpoint */ 264cc731525SEric W. Biederman #define TRAP_TRACE 2 /* process trace trap */ 265cc731525SEric W. Biederman #define TRAP_BRANCH 3 /* process taken branch trap */ 266cc731525SEric W. Biederman #define TRAP_HWBKPT 4 /* hardware breakpoint/watchpoint */ 267db78e6a0SEric W. Biederman #define TRAP_UNK 5 /* undiagnosed trap */ 268fb6cc127SMarco Elver #define TRAP_PERF 6 /* perf event with sigtrap=1 */ 269fb6cc127SMarco Elver #define NSIGTRAP 6 2708a1ab315SDavid Howells 2718a1ab315SDavid Howells /* 27263300eddSRandy Dunlap * There is an additional set of SIGTRAP si_codes used by ptrace 27363300eddSRandy Dunlap * that are of the form: ((PTRACE_EVENT_XXX << 8) | SIGTRAP) 274f9886bc5SEric W. Biederman */ 275f9886bc5SEric W. Biederman 276f9886bc5SEric W. Biederman /* 27778ed93d7SMarco Elver * Flags for si_perf_flags if SIGTRAP si_code is TRAP_PERF. 27878ed93d7SMarco Elver */ 27978ed93d7SMarco Elver #define TRAP_PERF_FLAG_ASYNC (1u << 0) 28078ed93d7SMarco Elver 28178ed93d7SMarco Elver /* 2828a1ab315SDavid Howells * SIGCHLD si_codes 2838a1ab315SDavid Howells */ 284cc731525SEric W. Biederman #define CLD_EXITED 1 /* child has exited */ 285cc731525SEric W. Biederman #define CLD_KILLED 2 /* child was killed */ 286cc731525SEric W. Biederman #define CLD_DUMPED 3 /* child terminated abnormally */ 287cc731525SEric W. Biederman #define CLD_TRAPPED 4 /* traced child has trapped */ 288cc731525SEric W. Biederman #define CLD_STOPPED 5 /* child has stopped */ 289cc731525SEric W. Biederman #define CLD_CONTINUED 6 /* stopped child has continued */ 2908a1ab315SDavid Howells #define NSIGCHLD 6 2918a1ab315SDavid Howells 2928a1ab315SDavid Howells /* 293d08477aaSEric W. Biederman * SIGPOLL (or any other signal without signal specific si_codes) si_codes 2948a1ab315SDavid Howells */ 295cc731525SEric W. Biederman #define POLL_IN 1 /* data input available */ 296cc731525SEric W. Biederman #define POLL_OUT 2 /* output buffers available */ 297cc731525SEric W. Biederman #define POLL_MSG 3 /* input message available */ 298cc731525SEric W. Biederman #define POLL_ERR 4 /* i/o error */ 299cc731525SEric W. Biederman #define POLL_PRI 5 /* high priority input available */ 300cc731525SEric W. Biederman #define POLL_HUP 6 /* device disconnected */ 3018a1ab315SDavid Howells #define NSIGPOLL 6 3028a1ab315SDavid Howells 3038a1ab315SDavid Howells /* 3048a1ab315SDavid Howells * SIGSYS si_codes 3058a1ab315SDavid Howells */ 306cc731525SEric W. Biederman #define SYS_SECCOMP 1 /* seccomp triggered */ 3071d7637d8SGabriel Krisman Bertazi #define SYS_USER_DISPATCH 2 /* syscall user dispatch triggered */ 3081d7637d8SGabriel Krisman Bertazi #define NSIGSYS 2 3098a1ab315SDavid Howells 3108a1ab315SDavid Howells /* 311018303a9SEric W. Biederman * SIGEMT si_codes 312018303a9SEric W. Biederman */ 313018303a9SEric W. Biederman #define EMT_TAGOVF 1 /* tag overflow */ 314018303a9SEric W. Biederman #define NSIGEMT 1 315018303a9SEric W. Biederman 316018303a9SEric W. Biederman /* 3178a1ab315SDavid Howells * sigevent definitions 3188a1ab315SDavid Howells * 3198a1ab315SDavid Howells * It seems likely that SIGEV_THREAD will have to be handled from 3208a1ab315SDavid Howells * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the 3218a1ab315SDavid Howells * thread manager then catches and does the appropriate nonsense. 3228a1ab315SDavid Howells * However, everything is written out here so as to not get lost. 3238a1ab315SDavid Howells */ 3248a1ab315SDavid Howells #define SIGEV_SIGNAL 0 /* notify via signal */ 3258a1ab315SDavid Howells #define SIGEV_NONE 1 /* other notification: meaningless */ 3268a1ab315SDavid Howells #define SIGEV_THREAD 2 /* deliver via thread creation */ 3278a1ab315SDavid Howells #define SIGEV_THREAD_ID 4 /* deliver to thread */ 3288a1ab315SDavid Howells 3298a1ab315SDavid Howells /* 3308a1ab315SDavid Howells * This works because the alignment is ok on all current architectures 3318a1ab315SDavid Howells * but we leave open this being overridden in the future 3328a1ab315SDavid Howells */ 3338a1ab315SDavid Howells #ifndef __ARCH_SIGEV_PREAMBLE_SIZE 3348a1ab315SDavid Howells #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(int) * 2 + sizeof(sigval_t)) 3358a1ab315SDavid Howells #endif 3368a1ab315SDavid Howells 3378a1ab315SDavid Howells #define SIGEV_MAX_SIZE 64 3388a1ab315SDavid Howells #define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE - __ARCH_SIGEV_PREAMBLE_SIZE) \ 3398a1ab315SDavid Howells / sizeof(int)) 3408a1ab315SDavid Howells 3418a1ab315SDavid Howells typedef struct sigevent { 3428a1ab315SDavid Howells sigval_t sigev_value; 3438a1ab315SDavid Howells int sigev_signo; 3448a1ab315SDavid Howells int sigev_notify; 3458a1ab315SDavid Howells union { 3468a1ab315SDavid Howells int _pad[SIGEV_PAD_SIZE]; 3478a1ab315SDavid Howells int _tid; 3488a1ab315SDavid Howells 3498a1ab315SDavid Howells struct { 3508a1ab315SDavid Howells void (*_function)(sigval_t); 3518a1ab315SDavid Howells void *_attribute; /* really pthread_attr_t */ 3528a1ab315SDavid Howells } _sigev_thread; 3538a1ab315SDavid Howells } _sigev_un; 3548a1ab315SDavid Howells } sigevent_t; 3558a1ab315SDavid Howells 3568a1ab315SDavid Howells #define sigev_notify_function _sigev_un._sigev_thread._function 3578a1ab315SDavid Howells #define sigev_notify_attributes _sigev_un._sigev_thread._attribute 3588a1ab315SDavid Howells #define sigev_notify_thread_id _sigev_un._tid 3598a1ab315SDavid Howells 3608a1ab315SDavid Howells 3618a1ab315SDavid Howells #endif /* _UAPI_ASM_GENERIC_SIGINFO_H */ 362