1.\" 2.\" Copyright (c) 2016 John Baldwin <jhb@FreeBSD.org> 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd January 14, 2018 28.Dt sysdecode_enum 3 29.Os 30.Sh NAME 31.Nm sysdecode_enum , 32.Nm sysdecode_acltype , 33.Nm sysdecode_atfd , 34.Nm sysdecode_extattrnamespace , 35.Nm sysdecode_fadvice , 36.Nm sysdecode_fcntl_cmd , 37.Nm sysdecode_getfsstat_mode , 38.Nm sysdecode_getrusage_who , 39.Nm sysdecode_idtype , 40.Nm sysdecode_ipproto , 41.Nm sysdecode_kldsym_cmd , 42.Nm sysdecode_kldunload_flags , 43.Nm sysdecode_lio_listio_mode , 44.Nm sysdecode_madvice , 45.Nm sysdecode_minherit_flags , 46.Nm sysdecode_msgctl_cmd , 47.Nm sysdecode_nfssvc_flags , 48.Nm sysdecode_pathconf_name , 49.Nm sysdecode_prio_which , 50.Nm sysdecode_procctl_cmd , 51.Nm sysdecode_ptrace_request , 52.Nm sysdecode_rlimit , 53.Nm sysdecode_rtprio_function , 54.Nm sysdecode_scheduler_policy , 55.Nm sysdecode_sctp_pr_policy , 56.Nm sysdecode_sctp_sinfo_flags , 57.Nm sysdecode_semctl_cmd , 58.Nm sysdecode_shmctl_cmd , 59.Nm sysdecode_shutdown_how , 60.Nm sysdecode_sigbus_code , 61.Nm sysdecode_sigchld_code , 62.Nm sysdecode_sigfpe_code , 63.Nm sysdecode_sigill_code , 64.Nm sysdecode_signal , 65.Nm sysdecode_sigprocmask_how , 66.Nm sysdecode_sigsegv_code , 67.Nm sysdecode_sigtrap_code , 68.Nm sysdecode_sockaddr_family , 69.Nm sysdecode_socketdomain , 70.Nm sysdecode_sockettype , 71.Nm sysdecode_sockopt_level , 72.Nm sysdecode_sysarch_number , 73.Nm sysdecode_umtx_op , 74.Nm sysdecode_vmresult , 75.Nm sysdecode_whence 76.Nd lookup name of various enumerated values 77.Sh LIBRARY 78.Lb libsysdecode 79.Sh SYNOPSIS 80.In sysdecode.h 81.Ft const char * 82.Fn sysdecode_acltype "int type" 83.Ft const char * 84.Fn sysdecode_atfd "int fd" 85.Ft const char * 86.Fn sysdecode_extattrnamespace "int namespace" 87.Ft const char * 88.Fn sysdecode_fadvice "int advice" 89.Ft const char * 90.Fn sysdecode_fcntl_cmd "int cmd" 91.Ft const char * 92.Fn sysdecode_getfsstat_mode "int mode" 93.Ft const char * 94.Fn sysdecode_getrusage_who "int who" 95.Ft const char * 96.Fn sysdecode_idtype "int idtype" 97.Ft const char * 98.Fn sysdecode_ipproto "int protocol" 99.Ft const char * 100.Fn sysdecode_kldsym_cmd "int cmd" 101.Ft const char * 102.Fn sysdecode_kldunload_flags "int flags" 103.Ft const char * 104.Fn sysdecode_lio_listio_mode "int mode" 105.Ft const char * 106.Fn sysdecode_madvice "int advice" 107.Ft const char * 108.Fn sysdecode_minherit_flags "int inherit" 109.Ft const char * 110.Fn sysdecode_msgctl_cmd "int cmd" 111.Ft const char * 112.Fn sysdecode_nfssvc_flags "int flags" 113.Ft const char * 114.Fn sysdecode_pathconf_name "int name" 115.Ft const char * 116.Fn sysdecode_prio_which "int which" 117.Ft const char * 118.Fn sysdecode_procctl_cmd "int cmd" 119.Ft const char * 120.Fn sysdecode_ptrace_request "int request" 121.Ft const char * 122.Fn sysdecode_rlimit "int resource" 123.Ft const char * 124.Fn sysdecode_rtprio_function "int function" 125.Ft const char * 126.Fn sysdecode_scheduler_policy "int policy" 127.Ft const char * 128.Fn sysdecode_sctp_pr_policy "int policy" 129.Ft const char * 130.Fn sysdecode_semctl_cmd "int cmd" 131.Ft const char * 132.Fn sysdecode_shmctl_cmd "int cmd" 133.Ft const char * 134.Fn sysdecode_shutdown_how "int how" 135.Ft const char * 136.Fn sysdecode_sigbus_code "int si_code" 137.Ft const char * 138.Fn sysdecode_sigchld_code "int si_code" 139.Ft const char * 140.Fn sysdecode_sigfpe_code "int si_code" 141.Ft const char * 142.Fn sysdecode_sigill_code "int si_code" 143.Ft const char * 144.Fn sysdecode_signal "int sig" 145.Ft const char * 146.Fn sysdecode_sigprocmask_how "int how" 147.Ft const char * 148.Fn sysdecode_sigsegv_code "int si_code" 149.Ft const char * 150.Fn sysdecode_sigtrap_code "int si_code" 151.Ft const char * 152.Fn sysdecode_sockaddr_family "int sa_family" 153.Ft const char * 154.Fn sysdecode_socketdomain "int domain" 155.Ft const char * 156.Fn sysdecode_sockettype "int type" 157.Ft const char * 158.Fn sysdecode_sockopt_level "int level" 159.Ft const char * 160.Fn sysdecode_sysarch_number "int number" 161.Ft const char * 162.Fn sysdecode_umtx_op "int op" 163.Ft const char * 164.Fn sysdecode_vmresult "int result" 165.Ft const char * 166.Fn sysdecode_whence "int whence" 167.Sh DESCRIPTION 168The 169.Nm 170functions return a text description of an integer value. 171The text description matches the name of a C macro with the same value as the 172sole function argument. 173.Dv NULL 174is returned if there is no matching C macro name. 175.Pp 176Most of these functions decode an argument passed to a system call: 177.Bl -column "Fn sysdecode_extattrnamespace" "Xr sched_setscheduler 2" 178.It Sy Function Ta Sy System Call Ta Sy Argument 179.It Fn sysdecode_acltype Ta Xr acl_get_file 3 Ta Fa type 180.It Fn sysdecode_atfd Ta Xr openat 2 Ta Fa fd 181.It Fn sysdecode_extattrnamespace Ta Xr extattr_get_fd 2 Ta Fa attrnamespace 182.It Fn sysdecode_fadvice Ta Xr posix_fadvise 2 Ta Fa advice 183.It Fn sysdecode_fcntl_cmd Ta Xr fcntl 2 Ta Fa cmd 184.It Fn sysdecode_getfsstat_mode Ta Xr getfsstat 2 Ta Fa mode 185.It Fn sysdecode_idtype Ta 186.Xr procctl 2 , 187.Xr waitid 2 188.Ta Fa idtype 189.It Fn sysdecode_kldsym_cmd Ta Xr kldsym 2 Ta Fa cmd 190.It Fn sysdecode_kldunload_flags Ta Xr kldunloadf 2 Ta Fa flags 191.It Fn sysdecode_lio_listio_mode Ta Xr lio_listio 2 Ta Fa mode 192.It Fn sysdecode_madvice Ta Xr madvise 2 Ta Fa advice 193.It Fn sysdecode_minherit_inherit Ta Xr minherit 2 Ta Fa inherit 194.It Fn sysdecode_msgctl_cmd Ta Xr msgctl 2 Ta Fa cmd 195.It Fn sysdecode_nfssvc_flags Ta Xr nfssvc 2 Ta Fa flags 196.It Fn sysdecode_pathconf_name Ta Xr pathconf 2 Ta Fa name 197.It Fn sysdecode_prio_which Ta Xr getpriority 2 Ta Fa which 198.It Fn sysdecode_procctl_cmd Ta Xr procctl 2 Ta Fa cmd 199.It Fn sysdecode_ptrace_request Ta Xr ptrace 2 Ta Fa request 200.It Fn sysdecode_rlimit Ta Xr getrlimit 2 Ta Fa resource 201.It Fn sysdecode_rtprio_function Ta Xr rtprio 2 Ta Fa function 202.It Fn sysdecode_getrusage_who Ta Xr getrusage 2 Ta Fa who 203.It Fn sysdecode_scheduler_policy Ta Xr sched_setscheduler 2 Ta Fa policy 204.It Fn sysdecode_semctl_cmd Ta Xr semctl 2 Ta Fa cmd 205.It Fn sysdecode_shmctl_cmd Ta Xr shmctl 2 Ta Fa cmd 206.It Fn sysdecode_shutdown_how Ta Xr shutdown 2 Ta Fa how 207.It Fn sysdecode_sigprocmask_how Ta Xr sigprocmask 2 Ta Fa how 208.It Fn sysdecode_sockopt_level Ta Xr getsockopt 2 Ta Fa level 209.It Fn sysdecode_sysarch_number Ta Xr sysarch 2 Ta Fa number 210.It Fn sysdecode_umtx_op Ta Xr _umtx_op 2 Ta Fa op 211.It Fn sysdecode_whence Ta Xr lseek 2 Ta Fa whence 212.El 213.Pp 214These functions decode signal-specific signal codes stored in the 215.Fa si_code 216field of the 217.Vt siginfo_t 218object associated with an instance of signal: 219.Bl -column "Fn sysdecode_sigchld_code" 220.It Sy Function Ta Sy Signal 221.It Fn sysdecode_sigbus_code Ta Dv SIGBUS 222.It Fn sysdecode_sigchld_code Ta Dv SIGCHLD 223.It Fn sysdecode_sigfpe_code Ta Dv SIGFPE 224.It Fn sysdecode_sigill_code Ta Dv SIGILL 225.It Fn sysdecode_sigsegv_code Ta Dv SIGSEGV 226.It Fn sysdecode_sigtrap_code Ta Dv SIGTRAP 227.El 228.Pp 229Other functions decode the values described below: 230.Bl -tag -width "Fn sysdecode_sockaddr_family" 231.It Fn sysdecode_ipproto 232An IP protocol. 233.It Fn sysdecode_sctp_pr_policy 234A PR-SCTP policy. 235.It Fn sysdecode_signal 236A process signal. 237.It Fn sysdecode_sockaddr_family 238A socket address family. 239.It Fn sysdecode_socketdomain 240A socket domain. 241.It Fn sysdecode_vmresult 242The return value of a function in the virtual memory subsystem of the kernel 243indicating the status of the associated request. 244.El 245.Sh RETURN VALUES 246The 247.Nm 248functions return the name of a matching C macro or 249.Dv NULL 250if no matching C macro was found. 251.Sh SEE ALSO 252.Xr sysdecode 3 , 253.Xr sysdecode_mask 3 , 254.Xr sysdecode_sigcode 3 255