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-rw-r--r--include/uapi/asm-generic/siginfo.h298
1 files changed, 298 insertions, 0 deletions
diff --git a/include/uapi/asm-generic/siginfo.h b/include/uapi/asm-generic/siginfo.h
new file mode 100644
index 000000000000..ba5be7fdbdfe
--- /dev/null
+++ b/include/uapi/asm-generic/siginfo.h
@@ -0,0 +1,298 @@
+#ifndef _UAPI_ASM_GENERIC_SIGINFO_H
+#define _UAPI_ASM_GENERIC_SIGINFO_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+typedef union sigval {
+ int sival_int;
+ void __user *sival_ptr;
+} sigval_t;
+
+/*
+ * This is the size (including padding) of the part of the
+ * struct siginfo that is before the union.
+ */
+#ifndef __ARCH_SI_PREAMBLE_SIZE
+#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
+#endif
+
+#define SI_MAX_SIZE 128
+#ifndef SI_PAD_SIZE
+#define SI_PAD_SIZE ((SI_MAX_SIZE - __ARCH_SI_PREAMBLE_SIZE) / sizeof(int))
+#endif
+
+#ifndef __ARCH_SI_UID_T
+#define __ARCH_SI_UID_T __kernel_uid32_t
+#endif
+
+/*
+ * The default "si_band" type is "long", as specified by POSIX.
+ * However, some architectures want to override this to "int"
+ * for historical compatibility reasons, so we allow that.
+ */
+#ifndef __ARCH_SI_BAND_T
+#define __ARCH_SI_BAND_T long
+#endif
+
+#ifndef __ARCH_SI_CLOCK_T
+#define __ARCH_SI_CLOCK_T __kernel_clock_t
+#endif
+
+#ifndef __ARCH_SI_ATTRIBUTES
+#define __ARCH_SI_ATTRIBUTES
+#endif
+
+#ifndef HAVE_ARCH_SIGINFO_T
+
+typedef struct siginfo {
+ int si_signo;
+ int si_errno;
+ int si_code;
+
+ union {
+ int _pad[SI_PAD_SIZE];
+
+ /* kill() */
+ struct {
+ __kernel_pid_t _pid; /* sender's pid */
+ __ARCH_SI_UID_T _uid; /* sender's uid */
+ } _kill;
+
+ /* POSIX.1b timers */
+ struct {
+ __kernel_timer_t _tid; /* timer id */
+ int _overrun; /* overrun count */
+ char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
+ sigval_t _sigval; /* same as below */
+ int _sys_private; /* not to be passed to user */
+ } _timer;
+
+ /* POSIX.1b signals */
+ struct {
+ __kernel_pid_t _pid; /* sender's pid */
+ __ARCH_SI_UID_T _uid; /* sender's uid */
+ sigval_t _sigval;
+ } _rt;
+
+ /* SIGCHLD */
+ struct {
+ __kernel_pid_t _pid; /* which child */
+ __ARCH_SI_UID_T _uid; /* sender's uid */
+ int _status; /* exit code */
+ __ARCH_SI_CLOCK_T _utime;
+ __ARCH_SI_CLOCK_T _stime;
+ } _sigchld;
+
+ /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+ struct {
+ void __user *_addr; /* faulting insn/memory ref. */
+#ifdef __ARCH_SI_TRAPNO
+ int _trapno; /* TRAP # which caused the signal */
+#endif
+ short _addr_lsb; /* LSB of the reported address */
+ } _sigfault;
+
+ /* SIGPOLL */
+ struct {
+ __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
+ int _fd;
+ } _sigpoll;
+
+ /* SIGSYS */
+ struct {
+ void __user *_call_addr; /* calling user insn */
+ int _syscall; /* triggering system call number */
+ unsigned int _arch; /* AUDIT_ARCH_* of syscall */
+ } _sigsys;
+ } _sifields;
+} __ARCH_SI_ATTRIBUTES siginfo_t;
+
+/* If the arch shares siginfo, then it has SIGSYS. */
+#define __ARCH_SIGSYS
+#endif
+
+/*
+ * How these fields are to be accessed.
+ */
+#define si_pid _sifields._kill._pid
+#define si_uid _sifields._kill._uid
+#define si_tid _sifields._timer._tid
+#define si_overrun _sifields._timer._overrun
+#define si_sys_private _sifields._timer._sys_private
+#define si_status _sifields._sigchld._status
+#define si_utime _sifields._sigchld._utime
+#define si_stime _sifields._sigchld._stime
+#define si_value _sifields._rt._sigval
+#define si_int _sifields._rt._sigval.sival_int
+#define si_ptr _sifields._rt._sigval.sival_ptr
+#define si_addr _sifields._sigfault._addr
+#ifdef __ARCH_SI_TRAPNO
+#define si_trapno _sifields._sigfault._trapno
+#endif
+#define si_addr_lsb _sifields._sigfault._addr_lsb
+#define si_band _sifields._sigpoll._band
+#define si_fd _sifields._sigpoll._fd
+#ifdef __ARCH_SIGSYS
+#define si_call_addr _sifields._sigsys._call_addr
+#define si_syscall _sifields._sigsys._syscall
+#define si_arch _sifields._sigsys._arch
+#endif
+
+#ifndef __KERNEL__
+#define __SI_KILL 0
+#define __SI_TIMER 0
+#define __SI_POLL 0
+#define __SI_FAULT 0
+#define __SI_CHLD 0
+#define __SI_RT 0
+#define __SI_MESGQ 0
+#define __SI_SYS 0
+#define __SI_CODE(T,N) (N)
+#endif
+
+/*
+ * si_code values
+ * Digital reserves positive values for kernel-generated signals.
+ */
+#define SI_USER 0 /* sent by kill, sigsend, raise */
+#define SI_KERNEL 0x80 /* sent by the kernel from somewhere */
+#define SI_QUEUE -1 /* sent by sigqueue */
+#define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */
+#define SI_MESGQ __SI_CODE(__SI_MESGQ,-3) /* sent by real time mesq state change */
+#define SI_ASYNCIO -4 /* sent by AIO completion */
+#define SI_SIGIO -5 /* sent by queued SIGIO */
+#define SI_TKILL -6 /* sent by tkill system call */
+#define SI_DETHREAD -7 /* sent by execve() killing subsidiary threads */
+
+#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
+#define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0)
+
+/*
+ * SIGILL si_codes
+ */
+#define ILL_ILLOPC (__SI_FAULT|1) /* illegal opcode */
+#define ILL_ILLOPN (__SI_FAULT|2) /* illegal operand */
+#define ILL_ILLADR (__SI_FAULT|3) /* illegal addressing mode */
+#define ILL_ILLTRP (__SI_FAULT|4) /* illegal trap */
+#define ILL_PRVOPC (__SI_FAULT|5) /* privileged opcode */
+#define ILL_PRVREG (__SI_FAULT|6) /* privileged register */
+#define ILL_COPROC (__SI_FAULT|7) /* coprocessor error */
+#define ILL_BADSTK (__SI_FAULT|8) /* internal stack error */
+#define NSIGILL 8
+
+/*
+ * SIGFPE si_codes
+ */
+#define FPE_INTDIV (__SI_FAULT|1) /* integer divide by zero */
+#define FPE_INTOVF (__SI_FAULT|2) /* integer overflow */
+#define FPE_FLTDIV (__SI_FAULT|3) /* floating point divide by zero */
+#define FPE_FLTOVF (__SI_FAULT|4) /* floating point overflow */
+#define FPE_FLTUND (__SI_FAULT|5) /* floating point underflow */
+#define FPE_FLTRES (__SI_FAULT|6) /* floating point inexact result */
+#define FPE_FLTINV (__SI_FAULT|7) /* floating point invalid operation */
+#define FPE_FLTSUB (__SI_FAULT|8) /* subscript out of range */
+#define NSIGFPE 8
+
+/*
+ * SIGSEGV si_codes
+ */
+#define SEGV_MAPERR (__SI_FAULT|1) /* address not mapped to object */
+#define SEGV_ACCERR (__SI_FAULT|2) /* invalid permissions for mapped object */
+#define NSIGSEGV 2
+
+/*
+ * SIGBUS si_codes
+ */
+#define BUS_ADRALN (__SI_FAULT|1) /* invalid address alignment */
+#define BUS_ADRERR (__SI_FAULT|2) /* non-existent physical address */
+#define BUS_OBJERR (__SI_FAULT|3) /* object specific hardware error */
+/* hardware memory error consumed on a machine check: action required */
+#define BUS_MCEERR_AR (__SI_FAULT|4)
+/* hardware memory error detected in process but not consumed: action optional*/
+#define BUS_MCEERR_AO (__SI_FAULT|5)
+#define NSIGBUS 5
+
+/*
+ * SIGTRAP si_codes
+ */
+#define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */
+#define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */
+#define TRAP_BRANCH (__SI_FAULT|3) /* process taken branch trap */
+#define TRAP_HWBKPT (__SI_FAULT|4) /* hardware breakpoint/watchpoint */
+#define NSIGTRAP 4
+
+/*
+ * SIGCHLD si_codes
+ */
+#define CLD_EXITED (__SI_CHLD|1) /* child has exited */
+#define CLD_KILLED (__SI_CHLD|2) /* child was killed */
+#define CLD_DUMPED (__SI_CHLD|3) /* child terminated abnormally */
+#define CLD_TRAPPED (__SI_CHLD|4) /* traced child has trapped */
+#define CLD_STOPPED (__SI_CHLD|5) /* child has stopped */
+#define CLD_CONTINUED (__SI_CHLD|6) /* stopped child has continued */
+#define NSIGCHLD 6
+
+/*
+ * SIGPOLL si_codes
+ */
+#define POLL_IN (__SI_POLL|1) /* data input available */
+#define POLL_OUT (__SI_POLL|2) /* output buffers available */
+#define POLL_MSG (__SI_POLL|3) /* input message available */
+#define POLL_ERR (__SI_POLL|4) /* i/o error */
+#define POLL_PRI (__SI_POLL|5) /* high priority input available */
+#define POLL_HUP (__SI_POLL|6) /* device disconnected */
+#define NSIGPOLL 6
+
+/*
+ * SIGSYS si_codes
+ */
+#define SYS_SECCOMP (__SI_SYS|1) /* seccomp triggered */
+#define NSIGSYS 1
+
+/*
+ * sigevent definitions
+ *
+ * It seems likely that SIGEV_THREAD will have to be handled from
+ * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
+ * thread manager then catches and does the appropriate nonsense.
+ * However, everything is written out here so as to not get lost.
+ */
+#define SIGEV_SIGNAL 0 /* notify via signal */
+#define SIGEV_NONE 1 /* other notification: meaningless */
+#define SIGEV_THREAD 2 /* deliver via thread creation */
+#define SIGEV_THREAD_ID 4 /* deliver to thread */
+
+/*
+ * This works because the alignment is ok on all current architectures
+ * but we leave open this being overridden in the future
+ */
+#ifndef __ARCH_SIGEV_PREAMBLE_SIZE
+#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(int) * 2 + sizeof(sigval_t))
+#endif
+
+#define SIGEV_MAX_SIZE 64
+#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE - __ARCH_SIGEV_PREAMBLE_SIZE) \
+ / sizeof(int))
+
+typedef struct sigevent {
+ sigval_t sigev_value;
+ int sigev_signo;
+ int sigev_notify;
+ union {
+ int _pad[SIGEV_PAD_SIZE];
+ int _tid;
+
+ struct {
+ void (*_function)(sigval_t);
+ void *_attribute; /* really pthread_attr_t */
+ } _sigev_thread;
+ } _sigev_un;
+} sigevent_t;
+
+#define sigev_notify_function _sigev_un._sigev_thread._function
+#define sigev_notify_attributes _sigev_un._sigev_thread._attribute
+#define sigev_notify_thread_id _sigev_un._tid
+
+
+#endif /* _UAPI_ASM_GENERIC_SIGINFO_H */