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Manual Pages  — sysdecode_enum

NAME

sysdecode_enum, sysdecode_acltype, sysdecode_atfd, sysdecode_extattrnamespace, sysdecode_fadvice, sysdecode_fcntl_cmd, sysdecode_getfsstat_mode, sysdecode_getrusage_who, sysdecode_idtype, sysdecode_ipproto, sysdecode_itimer, sysdecode_kldsym_cmd, sysdecode_kldunload_flags, sysdecode_lio_listio_mode, sysdecode_madvice, sysdecode_minherit_flags, sysdecode_msgctl_cmd, sysdecode_nfssvc_flags, sysdecode_pathconf_name, sysdecode_prio_which, sysdecode_procctl_cmd, sysdecode_ptrace_request, sysdecode_rlimit, sysdecode_rtprio_function, sysdecode_scheduler_policy, sysdecode_sctp_pr_policy, sysdecode_sctp_sinfo_flags, sysdecode_semctl_cmd, sysdecode_shmctl_cmd, sysdecode_shutdown_how, sysdecode_sigbus_code, sysdecode_sigchld_code, sysdecode_sigfpe_code, sysdecode_sigill_code, sysdecode_signal, sysdecode_sigprocmask_how, sysdecode_sigsegv_code, sysdecode_sigtrap_code, sysdecode_sockaddr_family, sysdecode_socketdomain, sysdecode_sockettype, sysdecode_sockopt_level, sysdecode_sysarch_number, sysdecode_umtx_op, sysdecode_vmresult, sysdecode_whence – lookup name of various enumerated values

CONTENTS

LIBRARY

libsysdecode

SYNOPSIS

#include <sysdecode.h>

const char *
sysdecode_acltype(int type);

const char *
sysdecode_atfd(int fd);

const char *
sysdecode_extattrnamespace(int namespace);

const char *
sysdecode_fadvice(int advice);

const char *
sysdecode_fcntl_cmd(int cmd);

const char *
sysdecode_getfsstat_mode(int mode);

const char *
sysdecode_getrusage_who(int who);

const char *
sysdecode_idtype(int idtype);

const char *
sysdecode_ipproto(int protocol);

const char *
sysdecode_itimer(int which);

const char *
sysdecode_kldsym_cmd(int cmd);

const char *
sysdecode_kldunload_flags(int flags);

const char *
sysdecode_lio_listio_mode(int mode);

const char *
sysdecode_madvice(int advice);

const char *
sysdecode_minherit_flags(int inherit);

const char *
sysdecode_msgctl_cmd(int cmd);

const char *
sysdecode_nfssvc_flags(int flags);

const char *
sysdecode_pathconf_name(int name);

const char *
sysdecode_prio_which(int which);

const char *
sysdecode_procctl_cmd(int cmd);

const char *
sysdecode_ptrace_request(int request);

const char *
sysdecode_rlimit(int resource);

const char *
sysdecode_rtprio_function(int function);

const char *
sysdecode_scheduler_policy(int policy);

const char *
sysdecode_sctp_pr_policy(int policy);

const char *
sysdecode_semctl_cmd(int cmd);

const char *
sysdecode_shmctl_cmd(int cmd);

const char *
sysdecode_shutdown_how(int how);

const char *
sysdecode_sigbus_code(int si_code);

const char *
sysdecode_sigchld_code(int si_code);

const char *
sysdecode_sigfpe_code(int si_code);

const char *
sysdecode_sigill_code(int si_code);

const char *
sysdecode_signal(int sig);

const char *
sysdecode_sigprocmask_how(int how);

const char *
sysdecode_sigsegv_code(int si_code);

const char *
sysdecode_sigtrap_code(int si_code);

const char *
sysdecode_sockaddr_family(int sa_family);

const char *
sysdecode_socketdomain(int domain);

const char *
sysdecode_sockettype(int type);

const char *
sysdecode_sockopt_level(int level);

const char *
sysdecode_sysarch_number(int number);

const char *
sysdecode_umtx_op(int op);

const char *
sysdecode_vmresult(int result);

const char *
sysdecode_whence(int whence);

DESCRIPTION

The sysdecode_enum functions return a text description of an integer value. The text description matches the name of a C macro with the same value as the sole function argument. NULL is returned if there is no matching C macro name.

Most of these functions decode an argument passed to a system call:
Function System Call Argument
sysdecode_acltype()acl_get_file(3)type
sysdecode_atfd()openat(2)fd
sysdecode_extattrnamespace()extattr_get_fd(2)attrnamespace
sysdecode_fadvice()posix_fadvise(2)advice
sysdecode_fcntl_cmd()fcntl(2)cmd
sysdecode_getfsstat_mode()getfsstat(2)mode
sysdecode_idtype()procctl(2), waitid(2) idtype
sysdecode_itimer()getitimer(2), setitimer(2) which
sysdecode_kldsym_cmd()kldsym(2)cmd
sysdecode_kldunload_flags()kldunloadf(2)flags
sysdecode_lio_listio_mode()lio_listio(2)mode
sysdecode_madvice()madvise(2)advice
sysdecode_minherit_inherit()minherit(2)inherit
sysdecode_msgctl_cmd()msgctl(2)cmd
sysdecode_nfssvc_flags()nfssvc(2)flags
sysdecode_pathconf_name()pathconf(2)name
sysdecode_prio_which()getpriority(2)which
sysdecode_procctl_cmd()procctl(2)cmd
sysdecode_ptrace_request()ptrace(2)request
sysdecode_rlimit()getrlimit(2)resource
sysdecode_rtprio_function()rtprio(2)function
sysdecode_getrusage_who()getrusage(2)who
sysdecode_scheduler_policy()sched_setscheduler(2)policy
sysdecode_semctl_cmd()semctl(2)cmd
sysdecode_shmctl_cmd()shmctl(2)cmd
sysdecode_shutdown_how()shutdown(2)how
sysdecode_sigprocmask_how()sigprocmask(2)how
sysdecode_sockopt_level()getsockopt(2)level
sysdecode_sysarch_number()sysarch(2)number
sysdecode_umtx_op()_umtx_op(2)op
sysdecode_whence()lseek(2)whence

These functions decode signal-specific signal codes stored in the si_code field of the siginfo_t object associated with an instance of signal:
Function Signal
sysdecode_sigbus_code() SIGBUS
sysdecode_sigchld_code() SIGCHLD
sysdecode_sigfpe_code() SIGFPE
sysdecode_sigill_code() SIGILL
sysdecode_sigsegv_code() SIGSEGV
sysdecode_sigtrap_code() SIGTRAP

Other functions decode the values described below:
sysdecode_ipproto()
  An IP protocol.
sysdecode_sctp_pr_policy()
  A PR-SCTP policy.
sysdecode_signal()
  A process signal.
sysdecode_sockaddr_family()
  A socket address family.
sysdecode_socketdomain()
  A socket domain.
sysdecode_vmresult()
  The return value of a function in the virtual memory subsystem of the kernel indicating the status of the associated request.

RETURN VALUES

The sysdecode_enum functions return the name of a matching C macro or NULL if no matching C macro was found.

SEE ALSO

sysdecode(3), sysdecode_mask(3), sysdecode_sigcode(3)

sysdecode_enum (3) June 22, 2022

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