7735433fd2
Move tables that were previously in truss over to libsysdecode. truss output is unchanged, but kdump has been updated to decode these fields. In addition, sysdecode_sysarch_number() should support all platforms whereas the old table in truss only supported x86.
252 lines
8.2 KiB
Groff
252 lines
8.2 KiB
Groff
.\"
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.\" Copyright (c) 2016 John Baldwin <jhb@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 3, 2017
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.Dt sysdecode_enum 3
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.Os
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.Sh NAME
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.Nm sysdecode_enum ,
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.Nm sysdecode_acltype ,
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.Nm sysdecode_atfd ,
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.Nm sysdecode_extattrnamespace ,
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.Nm sysdecode_fadvice ,
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.Nm sysdecode_fcntl_cmd ,
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.Nm sysdecode_getfsstat_mode ,
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.Nm sysdecode_getrusage_who ,
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.Nm sysdecode_idtype ,
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.Nm sysdecode_ipproto ,
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.Nm sysdecode_kldsym_cmd ,
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.Nm sysdecode_kldunload_flags ,
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.Nm sysdecode_lio_listio_mode ,
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.Nm sysdecode_madvice ,
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.Nm sysdecode_minherit_flags ,
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.Nm sysdecode_msgctl_cmd ,
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.Nm sysdecode_nfssvc_flags ,
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.Nm sysdecode_pathconf_name ,
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.Nm sysdecode_prio_which ,
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.Nm sysdecode_procctl_cmd ,
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.Nm sysdecode_ptrace_request ,
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.Nm sysdecode_rlimit ,
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.Nm sysdecode_rtprio_function ,
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.Nm sysdecode_scheduler_policy ,
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.Nm sysdecode_semctl_cmd ,
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.Nm sysdecode_shmctl_cmd ,
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.Nm sysdecode_shutdown_how ,
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.Nm sysdecode_sigbus_code ,
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.Nm sysdecode_sigchld_code ,
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.Nm sysdecode_sigfpe_code ,
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.Nm sysdecode_sigill_code ,
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.Nm sysdecode_signal ,
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.Nm sysdecode_sigprocmask_how ,
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.Nm sysdecode_sigsegv_code ,
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.Nm sysdecode_sigtrap_code ,
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.Nm sysdecode_sockaddr_family ,
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.Nm sysdecode_socketdomain ,
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.Nm sysdecode_sockettype ,
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.Nm sysdecode_sockopt_level ,
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.Nm sysdecode_sysarch_number ,
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.Nm sysdecode_umtx_op ,
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.Nm sysdecode_vmresult ,
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.Nm sysdecode_whence
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.Nd lookup name of various enumerated values
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.Sh LIBRARY
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.Lb libsysdecode
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.Sh SYNOPSIS
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.In sys/types.h
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.In stdbool.h
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.In sysdecode.h
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.Ft const char *
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.Fn sysdecode_acltype "int type"
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.Ft const char *
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.Fn sysdecode_atfd "int fd"
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.Ft const char *
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.Fn sysdecode_extattrnamespace "int namespace"
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.Ft const char *
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.Fn sysdecode_fadvice "int advice"
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.Ft const char *
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.Fn sysdecode_fcntl_cmd "int cmd"
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.Ft const char *
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.Fn sysdecode_getfsstat_mode "int mode"
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.Ft const char *
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.Fn sysdecode_getrusage_who "int who"
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.Ft const char *
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.Fn sysdecode_idtype "int idtype"
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.Ft const char *
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.Fn sysdecode_ipproto "int protocol"
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.Ft const char *
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.Fn sysdecode_kldsym_cmd "int cmd"
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.Ft const char *
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.Fn sysdecode_kldunload_flags "int flags"
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.Ft const char *
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.Fn sysdecode_lio_listio_mode "int mode"
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.Ft const char *
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.Fn sysdecode_madvice "int advice"
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.Ft const char *
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.Fn sysdecode_minherit_flags "int inherit"
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.Ft const char *
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.Fn sysdecode_msgctl_cmd "int cmd"
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.Ft const char *
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.Fn sysdecode_nfssvc_flags "int flags"
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.Ft const char *
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.Fn sysdecode_pathconf_name "int name"
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.Ft const char *
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.Fn sysdecode_prio_which "int which"
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.Ft const char *
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.Fn sysdecode_procctl_cmd "int cmd"
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.Ft const char *
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.Fn sysdecode_ptrace_request "int request"
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.Ft const char *
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.Fn sysdecode_rlimit "int resource"
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.Ft const char *
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.Fn sysdecode_rtprio_function "int function"
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.Ft const char *
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.Fn sysdecode_scheduler_policy "int policy"
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.Ft const char *
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.Fn sysdecode_semctl_cmd "int cmd"
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.Ft const char *
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.Fn sysdecode_shmctl_cmd "int cmd"
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.Ft const char *
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.Fn sysdecode_shutdown_how "int how"
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.Ft const char *
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.Fn sysdecode_sigbus_code "int si_code"
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.Ft const char *
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.Fn sysdecode_sigchld_code "int si_code"
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.Ft const char *
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.Fn sysdecode_sigfpe_code "int si_code"
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.Ft const char *
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.Fn sysdecode_sigill_code "int si_code"
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.Ft const char *
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.Fn sysdecode_signal "int sig"
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.Ft const char *
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.Fn sysdecode_sigprocmask_how "int how"
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.Ft const char *
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.Fn sysdecode_sigsegv_code "int si_code"
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.Ft const char *
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.Fn sysdecode_sigtrap_code "int si_code"
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.Ft const char *
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.Fn sysdecode_sockaddr_family "int sa_family"
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.Ft const char *
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.Fn sysdecode_socketdomain "int domain"
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.Ft const char *
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.Fn sysdecode_sockettype "int type"
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.Ft const char *
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.Fn sysdecode_sockopt_level "int level"
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.Ft const char *
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.Fn sysdecode_sysarch_number "int number"
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.Ft const char *
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.Fn sysdecode_umtx_op "int op"
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.Ft const char *
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.Fn sysdecode_vmresult "int result"
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.Ft const char *
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.Fn sysdecode_whence "int whence"
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.Sh DESCRIPTION
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The
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.Nm
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functions return a text description of an integer value.
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The text description matches the name of a C macro with the same value as the
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sole function argument.
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.Dv NULL
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is returned if there is no matching C macro name.
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.Pp
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Most of these functions decode an argument passed to a system call:
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.Bl -column "Fn sysdecode_extattrnamespace" "Xr sched_setscheduler 2"
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.It Sy Function Ta Sy System Call Ta Sy Argument
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.It Fn sysdecode_acltype Ta Xr acl_get_file 3 Ta Fa type
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.It Fn sysdecode_atfd Ta Xr openat 2 Ta Fa fd
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.It Fn sysdecode_extattrnamespace Ta Xr extattr_get_fd 2 Ta Fa attrnamespace
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.It Fn sysdecode_fadvice Ta Xr posix_fadvise 2 Ta Fa advice
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.It Fn sysdecode_fcntl_cmd Ta Xr fcntl 2 Ta Fa cmd
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.It Fn sysdecode_getfsstat_mode Ta Xr getfsstat 2 Ta Fa mode
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.It Fn sysdecode_idtype Ta
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.Xr procctl 2 ,
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.Xr waitid 2
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.Ta Fa idtype
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.It Fn sysdecode_kldsym_cmd Ta Xr kldsym 2 Ta Fa cmd
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.It Fn sysdecode_kldunload_flags Ta Xr kldunloadf 2 Ta Fa flags
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.It Fn sysdecode_lio_listio_mode Ta Xr lio_listio 2 Ta Fa mode
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.It Fn sysdecode_madvice Ta Xr madvise 2 Ta Fa advice
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.It Fn sysdecode_minherit_inherit Ta Xr minherit 2 Ta Fa inherit
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.It Fn sysdecode_msgctl_cmd Ta Xr msgctl 2 Ta Fa cmd
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.It Fn sysdecode_nfssvc_flags Ta Xr nfssvc 2 Ta Fa flags
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.It Fn sysdecode_pathconf_name Ta Xr pathconf 2 Ta Fa name
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.It Fn sysdecode_prio_which Ta Xr getpriority 2 Ta Fa which
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.It Fn sysdecode_procctl_cmd Ta Xr procctl 2 Ta Fa cmd
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.It Fn sysdecode_ptrace_request Ta Xr ptrace 2 Ta Fa request
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.It Fn sysdecode_rlimit Ta Xr getrlimit 2 Ta Fa resource
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.It Fn sysdecode_rtprio_function Ta Xr rtprio 2 Ta Fa function
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.It Fn sysdecode_getrusage_who Ta Xr getrusage 2 Ta Fa who
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.It Fn sysdecode_scheduler_policy Ta Xr sched_setscheduler 2 Ta Fa policy
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.It Fn sysdecode_semctl_cmd Ta Xr semctl 2 Ta Fa cmd
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.It Fn sysdecode_shmctl_cmd Ta Xr shmctl 2 Ta Fa cmd
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.It Fn sysdecode_shutdown_how Ta Xr shutdown 2 Ta Fa how
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.It Fn sysdecode_sigprocmask_how Ta Xr sigprocmask 2 Ta Fa how
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.It Fn sysdecode_sockopt_level Ta Xr getsockopt 2 Ta Fa level
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.It Fn sysdecode_sysarch_number Ta Xr sysarch 2 Ta Fa number
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.It Fn sysdecode_umtx_op Ta Xr _umtx_op 2 Ta Fa op
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.It Fn sysdecode_whence Ta Xr lseek 2 Ta Fa whence
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.El
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.Pp
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These functions decode signal-specific signal codes stored in the
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.Fa si_code
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field of the
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.Vt siginfo_t
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object associated with an instance of signal:
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.Bl -column "Fn sysdecode_sigchld_code"
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.It Sy Function Ta Sy Signal
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.It Fn sysdecode_sigbus_code Ta Dv SIGBUS
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.It Fn sysdecode_sigchld_code Ta Dv SIGCHLD
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.It Fn sysdecode_sigfpe_code Ta Dv SIGFPE
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.It Fn sysdecode_sigill_code Ta Dv SIGILL
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.It Fn sysdecode_sigsegv_code Ta Dv SIGSEGV
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.It Fn sysdecode_sigtrap_code Ta Dv SIGBTRAP
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.El
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.Pp
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Other functions decode the values described below:
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.Bl -tag -width "Fn sysdecode_sockaddr_family"
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.It Fn sysdecode_ipproto
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An IP protocol.
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.It Fn sysdecode_signal
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A process signal.
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.It Fn sysdecode_sockaddr_family
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A socket address family.
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.It Fn sysdecode_socketdomain
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A socket domain.
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.It Fn sysdecode_vmresult
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The return value of a function in the virtual memory subsystem of the kernel
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indicating the status of the associated request.
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.El
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.Sh RETURN VALUES
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The
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.Nm
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functions return the name of a matching C macro or
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.Dv NULL
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if no matching C macro was found.
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.Sh SEE ALSO
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.Xr sysdecode 3 ,
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.Xr sysdecode_mask 3 ,
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.Xr sysdecode_sigcode 3
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