最近老需要看系统调用号，errno，所以这里记一下
CentOS Linux release 7.2.1511 (Core)
3.10.0-327.el7.x86_64
[root@localhost ~]# cat /usr/src/kernels/3.10.0-327.el7.x86_64/arch/x86/include/generated/uapi/asm/unistd_64.h #ifndef _ASM_X86_UNISTD_64_H #define _ASM_X86_UNISTD_64_H 1 #define __NR_read 0 #define __NR_write 1 #define __NR_open 2 #define __NR_close 3 #define __NR_stat 4 #define __NR_fstat 5 #define __NR_lstat 6 #define __NR_poll 7 #define __NR_lseek 8 #define __NR_mmap 9 #define __NR_mprotect 10 #define __NR_munmap 11 #define __NR_brk 12 #define __NR_rt_sigaction 13 #define __NR_rt_sigprocmask 14 #define __NR_rt_sigreturn 15 #define __NR_ioctl 16 #define __NR_pread64 17 #define __NR_pwrite64 18 #define __NR_readv 19 #define __NR_writev 20 #define __NR_access 21 #define __NR_pipe 22 #define __NR_select 23 #define __NR_sched_yield 24 #define __NR_mremap 25 #define __NR_msync 26 #define __NR_mincore 27 #define __NR_madvise 28 #define __NR_shmget 29 #define __NR_shmat 30 #define __NR_shmctl 31 #define __NR_dup 32 #define __NR_dup2 33 #define __NR_pause 34 #define __NR_nanosleep 35 #define __NR_getitimer 36 #define __NR_alarm 37 #define __NR_setitimer 38 #define __NR_getpid 39 #define __NR_sendfile 40 #define __NR_socket 41 #define __NR_connect 42 #define __NR_accept 43 #define __NR_sendto 44 #define __NR_recvfrom 45 #define __NR_sendmsg 46 #define __NR_recvmsg 47 #define __NR_shutdown 48 #define __NR_bind 49 #define __NR_listen 50 #define __NR_getsockname 51 #define __NR_getpeername 52 #define __NR_socketpair 53 #define __NR_setsockopt 54 #define __NR_getsockopt 55 #define __NR_clone 56 #define __NR_fork 57 #define __NR_vfork 58 #define __NR_execve 59 #define __NR_exit 60 #define __NR_wait4 61 #define __NR_kill 62 #define __NR_uname 63 #define __NR_semget 64 #define __NR_semop 65 #define __NR_semctl 66 #define __NR_shmdt 67 #define __NR_msgget 68 #define __NR_msgsnd 69 #define __NR_msgrcv 70 #define __NR_msgctl 71 #define __NR_fcntl 72 #define __NR_flock 73 #define __NR_fsync 74 #define __NR_fdatasync 75 #define __NR_truncate 76 #define __NR_ftruncate 77 #define __NR_getdents 78 #define __NR_getcwd 79 #define __NR_chdir 80 #define __NR_fchdir 81 #define __NR_rename 82 #define __NR_mkdir 83 #define __NR_rmdir 84 #define __NR_creat 85 #define __NR_link 86 #define __NR_unlink 87 #define __NR_symlink 88 #define __NR_readlink 89 #define __NR_chmod 90 #define __NR_fchmod 91 #define __NR_chown 92 #define __NR_fchown 93 #define __NR_lchown 94 #define __NR_umask 95 #define __NR_gettimeofday 96 #define __NR_getrlimit 97 #define __NR_getrusage 98 #define __NR_sysinfo 99 #define __NR_times 100 #define __NR_ptrace 101 #define __NR_getuid 102 #define __NR_syslog 103 #define __NR_getgid 104 #define __NR_setuid 105 #define __NR_setgid 106 #define __NR_geteuid 107 #define __NR_getegid 108 #define __NR_setpgid 109 #define __NR_getppid 110 #define __NR_getpgrp 111 #define __NR_setsid 112 #define __NR_setreuid 113 #define __NR_setregid 114 #define __NR_getgroups 115 #define __NR_setgroups 116 #define __NR_setresuid 117 #define __NR_getresuid 118 #define __NR_setresgid 119 #define __NR_getresgid 120 #define __NR_getpgid 121 #define __NR_setfsuid 122 #define __NR_setfsgid 123 #define __NR_getsid 124 #define __NR_capget 125 #define __NR_capset 126 #define __NR_rt_sigpending 127 #define __NR_rt_sigtimedwait 128 #define __NR_rt_sigqueueinfo 129 #define __NR_rt_sigsuspend 130 #define __NR_sigaltstack 131 #define __NR_utime 132 #define __NR_mknod 133 #define __NR_uselib 134 #define __NR_personality 135 #define __NR_ustat 136 #define __NR_statfs 137 #define __NR_fstatfs 138 #define __NR_sysfs 139 #define __NR_getpriority 140 #define __NR_setpriority 141 #define __NR_sched_setparam 142 #define __NR_sched_getparam 143 #define __NR_sched_setscheduler 144 #define __NR_sched_getscheduler 145 #define __NR_sched_get_priority_max 146 #define __NR_sched_get_priority_min 147 #define __NR_sched_rr_get_interval 148 #define __NR_mlock 149 #define __NR_munlock 150 #define __NR_mlockall 151 #define __NR_munlockall 152 #define __NR_vhangup 153 #define __NR_modify_ldt 154 #define __NR_pivot_root 155 #define __NR__sysctl 156 #define __NR_prctl 157 #define __NR_arch_prctl 158 #define __NR_adjtimex 159 #define __NR_setrlimit 160 #define __NR_chroot 161 #define __NR_sync 162 #define __NR_acct 163 #define __NR_settimeofday 164 #define __NR_mount 165 #define __NR_umount2 166 #define __NR_swapon 167 #define __NR_swapoff 168 #define __NR_reboot 169 #define __NR_sethostname 170 #define __NR_setdomainname 171 #define __NR_iopl 172 #define __NR_ioperm 173 #define __NR_create_module 174 #define __NR_init_module 175 #define __NR_delete_module 176 #define __NR_get_kernel_syms 177 #define __NR_query_module 178 #define __NR_quotactl 179 #define __NR_nfsservctl 180 #define __NR_getpmsg 181 #define __NR_putpmsg 182 #define __NR_afs_syscall 183 #define __NR_tuxcall 184 #define __NR_security 185 #define __NR_gettid 186 #define __NR_readahead 187 #define __NR_setxattr 188 #define __NR_lsetxattr 189 #define __NR_fsetxattr 190 #define __NR_getxattr 191 #define __NR_lgetxattr 192 #define __NR_fgetxattr 193 #define __NR_listxattr 194 #define __NR_llistxattr 195 #define __NR_flistxattr 196 #define __NR_removexattr 197 #define __NR_lremovexattr 198 #define __NR_fremovexattr 199 #define __NR_tkill 200 #define __NR_time 201 #define __NR_futex 202 #define __NR_sched_setaffinity 203 #define __NR_sched_getaffinity 204 #define __NR_set_thread_area 205 #define __NR_io_setup 206 #define __NR_io_destroy 207 #define __NR_io_getevents 208 #define __NR_io_submit 209 #define __NR_io_cancel 210 #define __NR_get_thread_area 211 #define __NR_lookup_dcookie 212 #define __NR_epoll_create 213 #define __NR_epoll_ctl_old 214 #define __NR_epoll_wait_old 215 #define __NR_remap_file_pages 216 #define __NR_getdents64 217 #define __NR_set_tid_address 218 #define __NR_restart_syscall 219 #define __NR_semtimedop 220 #define __NR_fadvise64 221 #define __NR_timer_create 222 #define __NR_timer_settime 223 #define __NR_timer_gettime 224 #define __NR_timer_getoverrun 225 #define __NR_timer_delete 226 #define __NR_clock_settime 227 #define __NR_clock_gettime 228 #define __NR_clock_getres 229 #define __NR_clock_nanosleep 230 #define __NR_exit_group 231 #define __NR_epoll_wait 232 #define __NR_epoll_ctl 233 #define __NR_tgkill 234 #define __NR_utimes 235 #define __NR_vserver 236 #define __NR_mbind 237 #define __NR_set_mempolicy 238 #define __NR_get_mempolicy 239 #define __NR_mq_open 240 #define __NR_mq_unlink 241 #define __NR_mq_timedsend 242 #define __NR_mq_timedreceive 243 #define __NR_mq_notify 244 #define __NR_mq_getsetattr 245 #define __NR_kexec_load 246 #define __NR_waitid 247 #define __NR_add_key 248 #define __NR_request_key 249 #define __NR_keyctl 250 #define __NR_ioprio_set 251 #define __NR_ioprio_get 252 #define __NR_inotify_init 253 #define __NR_inotify_add_watch 254 #define __NR_inotify_rm_watch 255 #define __NR_migrate_pages 256 #define __NR_openat 257 #define __NR_mkdirat 258 #define __NR_mknodat 259 #define __NR_fchownat 260 #define __NR_futimesat 261 #define __NR_newfstatat 262 #define __NR_unlinkat 263 #define __NR_renameat 264 #define __NR_linkat 265 #define __NR_symlinkat 266 #define __NR_readlinkat 267 #define __NR_fchmodat 268 #define __NR_faccessat 269 #define __NR_pselect6 270 #define __NR_ppoll 271 #define __NR_unshare 272 #define __NR_set_robust_list 273 #define __NR_get_robust_list 274 #define __NR_splice 275 #define __NR_tee 276 #define __NR_sync_file_range 277 #define __NR_vmsplice 278 #define __NR_move_pages 279 #define __NR_utimensat 280 #define __NR_epoll_pwait 281 #define __NR_signalfd 282 #define __NR_timerfd_create 283 #define __NR_eventfd 284 #define __NR_fallocate 285 #define __NR_timerfd_settime 286 #define __NR_timerfd_gettime 287 #define __NR_accept4 288 #define __NR_signalfd4 289 #define __NR_eventfd2 290 #define __NR_epoll_create1 291 #define __NR_dup3 292 #define __NR_pipe2 293 #define __NR_inotify_init1 294 #define __NR_preadv 295 #define __NR_pwritev 296 #define __NR_rt_tgsigqueueinfo 297 #define __NR_perf_event_open 298 #define __NR_recvmmsg 299 #define __NR_fanotify_init 300 #define __NR_fanotify_mark 301 #define __NR_prlimit64 302 #define __NR_name_to_handle_at 303 #define __NR_open_by_handle_at 304 #define __NR_clock_adjtime 305 #define __NR_syncfs 306 #define __NR_sendmmsg 307 #define __NR_setns 308 #define __NR_getcpu 309 #define __NR_process_vm_readv 310 #define __NR_process_vm_writev 311 #define __NR_kcmp 312 #define __NR_finit_module 313 #define __NR_renameat2 316 #define __NR_memfd_create 319 #define __NR_kexec_file_load 320 #define __NR_userfaultfd 323 #endif /* _ASM_X86_UNISTD_64_H */
[root@localhost ~]# cat /usr/include/asm-generic/errno-base.h #ifndef _ASM_GENERIC_ERRNO_BASE_H #define _ASM_GENERIC_ERRNO_BASE_H #define EPERM 1 /* Operation not permitted */ #define ENOENT 2 /* No such file or directory */ #define ESRCH 3 /* No such process */ #define EINTR 4 /* Interrupted system call */ #define EIO 5 /* I/O error */ #define ENXIO 6 /* No such device or address */ #define E2BIG 7 /* Argument list too long */ #define ENOEXEC 8 /* Exec format error */ #define EBADF 9 /* Bad file number */ #define ECHILD 10 /* No child processes */ #define EAGAIN 11 /* Try again */ #define ENOMEM 12 /* Out of memory */ #define EACCES 13 /* Permission denied */ #define EFAULT 14 /* Bad address */ #define ENOTBLK 15 /* Block device required */ #define EBUSY 16 /* Device or resource busy */ #define EEXIST 17 /* File exists */ #define EXDEV 18 /* Cross-device link */ #define ENODEV 19 /* No such device */ #define ENOTDIR 20 /* Not a directory */ #define EISDIR 21 /* Is a directory */ #define EINVAL 22 /* Invalid argument */ #define ENFILE 23 /* File table overflow */ #define EMFILE 24 /* Too many open files */ #define ENOTTY 25 /* Not a typewriter */ #define ETXTBSY 26 /* Text file busy */ #define EFBIG 27 /* File too large */ #define ENOSPC 28 /* No space left on device */ #define ESPIPE 29 /* Illegal seek */ #define EROFS 30 /* Read-only file system */ #define EMLINK 31 /* Too many links */ #define EPIPE 32 /* Broken pipe */ #define EDOM 33 /* Math argument out of domain of func */ #define ERANGE 34 /* Math result not representable */ #endif
[root@localhost ~]# cat /usr/include/asm-generic/errno.h #ifndef _ASM_GENERIC_ERRNO_H #define _ASM_GENERIC_ERRNO_H #include <asm-generic/errno-base.h> #define EDEADLK 35 /* Resource deadlock would occur */ #define ENAMETOOLONG 36 /* File name too long */ #define ENOLCK 37 /* No record locks available */ #define ENOSYS 38 /* Function not implemented */ #define ENOTEMPTY 39 /* Directory not empty */ #define ELOOP 40 /* Too many symbolic links encountered */ #define EWOULDBLOCK EAGAIN /* Operation would block */ #define ENOMSG 42 /* No message of desired type */ #define EIDRM 43 /* Identifier removed */ #define ECHRNG 44 /* Channel number out of range */ #define EL2NSYNC 45 /* Level 2 not synchronized */ #define EL3HLT 46 /* Level 3 halted */ #define EL3RST 47 /* Level 3 reset */ #define ELNRNG 48 /* Link number out of range */ #define EUNATCH 49 /* Protocol driver not attached */ #define ENOCSI 50 /* No CSI structure available */ #define EL2HLT 51 /* Level 2 halted */ #define EBADE 52 /* Invalid exchange */ #define EBADR 53 /* Invalid request descriptor */ #define EXFULL 54 /* Exchange full */ #define ENOANO 55 /* No anode */ #define EBADRQC 56 /* Invalid request code */ #define EBADSLT 57 /* Invalid slot */ #define EDEADLOCK EDEADLK #define EBFONT 59 /* Bad font file format */ #define ENOSTR 60 /* Device not a stream */ #define ENODATA 61 /* No data available */ #define ETIME 62 /* Timer expired */ #define ENOSR 63 /* Out of streams resources */ #define ENONET 64 /* Machine is not on the network */ #define ENOPKG 65 /* Package not installed */ #define EREMOTE 66 /* Object is remote */ #define ENOLINK 67 /* Link has been severed */ #define EADV 68 /* Advertise error */ #define ESRMNT 69 /* Srmount error */ #define ECOMM 70 /* Communication error on send */ #define EPROTO 71 /* Protocol error */ #define EMULTIHOP 72 /* Multihop attempted */ #define EDOTDOT 73 /* RFS specific error */ #define EBADMSG 74 /* Not a data message */ #define EOVERFLOW 75 /* Value too large for defined data type */ #define ENOTUNIQ 76 /* Name not unique on network */ #define EBADFD 77 /* File descriptor in bad state */ #define EREMCHG 78 /* Remote address changed */ #define ELIBACC 79 /* Can not access a needed shared library */ #define ELIBBAD 80 /* Accessing a corrupted shared library */ #define ELIBSCN 81 /* .lib section in a.out corrupted */ #define ELIBMAX 82 /* Attempting to link in too many shared libraries */ #define ELIBEXEC 83 /* Cannot exec a shared library directly */ #define EILSEQ 84 /* Illegal byte sequence */ #define ERESTART 85 /* Interrupted system call should be restarted */ #define ESTRPIPE 86 /* Streams pipe error */ #define EUSERS 87 /* Too many users */ #define ENOTSOCK 88 /* Socket operation on non-socket */ #define EDESTADDRREQ 89 /* Destination address required */ #define EMSGSIZE 90 /* Message too long */ #define EPROTOTYPE 91 /* Protocol wrong type for socket */ #define ENOPROTOOPT 92 /* Protocol not available */ #define EPROTONOSUPPORT 93 /* Protocol not supported */ #define ESOCKTNOSUPPORT 94 /* Socket type not supported */ #define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ #define EPFNOSUPPORT 96 /* Protocol family not supported */ #define EAFNOSUPPORT 97 /* Address family not supported by protocol */ #define EADDRINUSE 98 /* Address already in use */ #define EADDRNOTAVAIL 99 /* Cannot assign requested address */ #define ENETDOWN 100 /* Network is down */ #define ENETUNREACH 101 /* Network is unreachable */ #define ENETRESET 102 /* Network dropped connection because of reset */ #define ECONNABORTED 103 /* Software caused connection abort */ #define ECONNRESET 104 /* Connection reset by peer */ #define ENOBUFS 105 /* No buffer space available */ #define EISCONN 106 /* Transport endpoint is already connected */ #define ENOTCONN 107 /* Transport endpoint is not connected */ #define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ #define ETOOMANYREFS 109 /* Too many references: cannot splice */ #define ETIMEDOUT 110 /* Connection timed out */ #define ECONNREFUSED 111 /* Connection refused */ #define EHOSTDOWN 112 /* Host is down */ #define EHOSTUNREACH 113 /* No route to host */ #define EALREADY 114 /* Operation already in progress */ #define EINPROGRESS 115 /* Operation now in progress */ #define ESTALE 116 /* Stale file handle */ #define EUCLEAN 117 /* Structure needs cleaning */ #define ENOTNAM 118 /* Not a XENIX named type file */ #define ENAVAIL 119 /* No XENIX semaphores available */ #define EISNAM 120 /* Is a named type file */ #define EREMOTEIO 121 /* Remote I/O error */ #define EDQUOT 122 /* Quota exceeded */ #define ENOMEDIUM 123 /* No medium found */ #define EMEDIUMTYPE 124 /* Wrong medium type */ #define ECANCELED 125 /* Operation Canceled */ #define ENOKEY 126 /* Required key not available */ #define EKEYEXPIRED 127 /* Key has expired */ #define EKEYREVOKED 128 /* Key has been revoked */ #define EKEYREJECTED 129 /* Key was rejected by service */ /* for robust mutexes */ #define EOWNERDEAD 130 /* Owner died */ #define ENOTRECOVERABLE 131 /* State not recoverable */ #define ERFKILL 132 /* Operation not possible due to RF-kill */ #define EHWPOISON 133 /* Memory page has hardware error */ #endif