(1)系统调用号的定义在 /usr/include/asm/unistd.h 文件中

(2)定义如下所示：

#define __NR_restart_syscall 0

#define __NR_exit 1

#define __NR_fork 2

#define __NR_read 3

#define __NR_write 4

#define __NR_open 5

#define __NR_close 6

#define __NR_waitpid 7

#define __NR_creat 8

#define __NR_link 9

#define __NR_unlink 10

#define __NR_execve 11

#define __NR_chdir 12

#define __NR_time 13

#define __NR_mknod 14

#define __NR_chmod 15

#define __NR_lchown 16

#define __NR_break 17

#define __NR_oldstat 18

#define __NR_lseek 19

#define __NR_getpid 20

#define __NR_mount 21

#define __NR_umount 22

#define __NR_setuid 23

#define __NR_getuid 24

#define __NR_stime 25

#define __NR_ptrace 26

#define __NR_alarm 27

#define __NR_oldfstat 28

#define __NR_pause 29

#define __NR_utime 30

#define __NR_stty 31

#define __NR_gtty 32

#define __NR_access 33

#define __NR_nice 34

#define __NR_ftime 35

#define __NR_sync 36

#define __NR_kill 37

#define __NR_rename 38

#define __NR_mkdir 39

#define __NR_rmdir 40

#define __NR_dup 41

#define __NR_pipe 42

#define __NR_times 43

#define __NR_prof 44

#define __NR_brk 45

#define __NR_setgid 46

#define __NR_getgid 47

#define __NR_signal 48

#define __NR_geteuid 49

#define __NR_getegid 50

#define __NR_acct 51

#define __NR_umount2 52

#define __NR_lock 53

#define __NR_ioctl 54

#define __NR_fcntl 55

#define __NR_mpx 56

#define __NR_setpgid 57

#define __NR_ulimit 58

#define __NR_oldolduname 59

#define __NR_umask 60

#define __NR_chroot 61

#define __NR_ustat 62

#define __NR_dup2 63

#define __NR_getppid 64

#define __NR_getpgrp 65

#define __NR_setsid 66

#define __NR_sigaction 67

#define __NR_sgetmask 68

#define __NR_ssetmask 69

#define __NR_setreuid 70

#define __NR_setregid 71

#define __NR_sigsuspend 72

#define __NR_sigpending 73

#define __NR_sethostname 74

#define __NR_setrlimit 75

#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */

#define __NR_getrusage 77

#define __NR_gettimeofday 78

#define __NR_settimeofday 79

#define __NR_getgroups 80

#define __NR_setgroups 81

#define __NR_select 82

#define __NR_symlink 83

#define __NR_oldlstat 84

#define __NR_readlink 85

#define __NR_uselib 86

#define __NR_swapon 87

#define __NR_reboot 88

#define __NR_readdir 89

#define __NR_mmap 90

#define __NR_munmap 91

#define __NR_truncate 92

#define __NR_ftruncate 93

#define __NR_fchmod 94

#define __NR_fchown 95

#define __NR_getpriority 96

#define __NR_setpriority 97

#define __NR_profil 98

#define __NR_statfs 99

#define __NR_fstatfs 100

#define __NR_ioperm 101

#define __NR_socketcall 102

#define __NR_syslog 103

#define __NR_setitimer 104

#define __NR_getitimer 105

#define __NR_stat 106

#define __NR_lstat 107

#define __NR_fstat 108

#define __NR_olduname 109

#define __NR_iopl 110

#define __NR_vhangup 111

#define __NR_idle 112

#define __NR_vm86old 113

#define __NR_wait4 114

#define __NR_swapoff 115

#define __NR_sysinfo 116

#define __NR_ipc 117

#define __NR_fsync 118

#define __NR_sigreturn 119

#define __NR_clone 120

#define __NR_setdomainname 121

#define __NR_uname 122

#define __NR_modify_ldt 123

#define __NR_adjtimex 124

#define __NR_mprotect 125

#define __NR_sigprocmask 126

#define __NR_create_module 127

#define __NR_init_module 128

#define __NR_delete_module 129

#define __NR_get_kernel_syms 130

#define __NR_quotactl 131

#define __NR_getpgid 132

#define __NR_fchdir 133

#define __NR_bdflush 134

#define __NR_sysfs 135

#define __NR_personality 136

#define __NR_afs_syscall 137 /* Syscall for Andrew File System */

#define __NR_setfsuid 138

#define __NR_setfsgid 139

#define __NR__llseek 140

#define __NR_getdents 141

#define __NR__newselect 142

#define __NR_flock 143

#define __NR_msync 144

#define __NR_readv 145

#define __NR_writev 146

#define __NR_getsid 147

#define __NR_fdatasync 148

#define __NR__sysctl 149

#define __NR_mlock 150

#define __NR_munlock 151

#define __NR_mlockall 152

#define __NR_munlockall 153

#define __NR_sched_setparam 154

#define __NR_sched_getparam 155

#define __NR_sched_setscheduler 156

#define __NR_sched_getscheduler 157

#define __NR_sched_yield 158

#define __NR_sched_get_priority_max 159

#define __NR_sched_get_priority_min 160

#define __NR_sched_rr_get_interval 161

#define __NR_nanosleep 162

#define __NR_mremap 163

#define __NR_setresuid 164

#define __NR_getresuid 165

#define __NR_vm86 166

#define __NR_query_module 167

#define __NR_poll 168

#define __NR_nfsservctl 169

#define __NR_setresgid 170

#define __NR_getresgid 171

#define __NR_prctl 172

#define __NR_rt_sigreturn 173

#define __NR_rt_sigaction 174

#define __NR_rt_sigprocmask 175

#define __NR_rt_sigpending 176

#define __NR_rt_sigtimedwait 177

#define __NR_rt_sigqueueinfo 178

#define __NR_rt_sigsuspend 179

#define __NR_pread64 180

#define __NR_pwrite64 181

#define __NR_chown 182

#define __NR_getcwd 183

#define __NR_capget 184

#define __NR_capset 185

#define __NR_sigaltstack 186

#define __NR_sendfile 187

#define __NR_getpmsg 188 /* some people actually want streams */

#define __NR_putpmsg 189 /* some people actually want streams */

#define __NR_vfork 190

#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */

#define __NR_mmap2 192

#define __NR_truncate64 193

#define __NR_ftruncate64 194

#define __NR_stat64 195

#define __NR_lstat64 196

#define __NR_fstat64 197

#define __NR_lchown32 198

#define __NR_getuid32 199

#define __NR_getgid32 200

#define __NR_geteuid32 201

#define __NR_getegid32 202

#define __NR_setreuid32 203

#define __NR_setregid32 204

#define __NR_getgroups32 205

#define __NR_setgroups32 206

#define __NR_fchown32 207

#define __NR_setresuid32 208

#define __NR_getresuid32 209

#define __NR_setresgid32 210

#define __NR_getresgid32 211

#define __NR_chown32 212

#define __NR_setuid32 213

#define __NR_setgid32 214

#define __NR_setfsuid32 215

#define __NR_setfsgid32 216

#define __NR_pivot_root 217

#define __NR_mincore 218

#define __NR_madvise 219

#define __NR_madvise1 219 /* delete when C lib stub is removed */

#define __NR_getdents64 220

#define __NR_fcntl64 221

/* 223 is unused */

#define __NR_gettid 224

#define __NR_readahead 225

#define __NR_setxattr 226

#define __NR_lsetxattr 227

#define __NR_fsetxattr 228

#define __NR_getxattr 229

#define __NR_lgetxattr 230

#define __NR_fgetxattr 231

#define __NR_listxattr 232

#define __NR_llistxattr 233

#define __NR_flistxattr 234

#define __NR_removexattr 235

#define __NR_lremovexattr 236

#define __NR_fremovexattr 237

#define __NR_tkill 238

#define __NR_sendfile64 239

#define __NR_futex 240

#define __NR_sched_setaffinity 241

#define __NR_sched_getaffinity 242

#define __NR_set_thread_area 243

#define __NR_get_thread_area 244

#define __NR_io_setup 245

#define __NR_io_destroy 246

#define __NR_io_getevents 247

#define __NR_io_submit 248

#define __NR_io_cancel 249

#define __NR_fadvise64 250

#define __NR_set_zone_reclaim 251

#define __NR_exit_group 252

#define __NR_lookup_dcookie 253

#define __NR_epoll_create 254

#define __NR_epoll_ctl 255

#define __NR_epoll_wait 256

#define __NR_remap_file_pages 257

#define __NR_set_tid_address 258

#define __NR_timer_create 259

#define __NR_timer_settime (__NR_timer_create+1)

#define __NR_timer_gettime (__NR_timer_create+2)

#define __NR_timer_getoverrun (__NR_timer_create+3)

#define __NR_timer_delete (__NR_timer_create+4)

#define __NR_clock_settime (__NR_timer_create+5)

#define __NR_clock_gettime (__NR_timer_create+6)

#define __NR_clock_getres (__NR_timer_create+7)

#define __NR_clock_nanosleep (__NR_timer_create+8)

#define __NR_statfs64 268

#define __NR_fstatfs64 269

#define __NR_tgkill 270

#define __NR_utimes 271

#define __NR_fadvise64_64 272

#define __NR_vserver 273

#define __NR_mbind 274

#define __NR_get_mempolicy 275

#define __NR_set_mempolicy 276

#define __NR_mq_open 277

#define __NR_mq_unlink (__NR_mq_open+1)

#define __NR_mq_timedsend (__NR_mq_open+2)

#define __NR_mq_timedreceive (__NR_mq_open+3)

#define __NR_mq_notify (__NR_mq_open+4)

#define __NR_mq_getsetattr (__NR_mq_open+5)

#define __NR_sys_kexec_load 283

#define __NR_waitid 284

/* #define __NR_sys_setaltroot 285 */

#define __NR_add_key 286

#define __NR_request_key 287

#define __NR_keyctl 288

#define __NR_ioprio_set 289

#define __NR_ioprio_get 290

#define __NR_inotify_init 291

#define __NR_inotify_add_watch 292

#define __NR_inotify_rm_watch 293

#define NR_syscalls 294