系统调用号

简介

在操作系统中，每个系统调用被赋予一个系统调用号。这样，通过独一无二的号就可以关联系统调用。当用户空间的进程执行一个系统调用的时候，这个系统调用号就用来指明到底是要执行哪个系统调用；进程不会提及系统调用的名称。

Linux

32位

函数	调用号
exit	1
fork	2
read	3
write	4
open	5
close	6
waitpid	7
creat	8
link	9
unlink	10
execve	11
chdir	12
time	13
mknod	14
chmod	15
lchown	16
break	17
oldstat	18
lseek	19
getpid	20
mount	21
umount	22
setuid	23
getuid	24
stime	25
ptrace	26
alarm	27
oldfstat	28
pause	29
utime	30
stty	31
gtty	32
access	33
nice	34
ftime	35
sync	36
kill	37
rename	38
mkdir	39
rmdir	40
dup	41
pipe	42
times	43
prof	44
brk	45
setgid	46
getgid	47
signal	48
geteuid	49
getegid	50
acct	51
umount2	52
lock	53
ioctl	54
fcntl	55
mpx	56
setpgid	57
ulimit	58
oldolduname	59
umask	60
chroot	61
ustat	62
dup2	63
getppid	64
getpgrp	65
setsid	66
sigaction	67
sgetmask	68
ssetmask	69
setreuid	70
setregid	71
sigsuspend	72
sigpending	73
sethostname	74
setrlimit	75
getrlimit	76
getrusage	77
gettimeofday	78
settimeofday	79
getgroups	80
setgroups	81
select	82
symlink	83
oldlstat	84
readlink	85
uselib	86
swapon	87
reboot	88
readdir	89
mmap	90
munmap	91
truncate	92
ftruncate	93
fchmod	94
fchown	95
getpriority	96
setpriority	97
profil	98
statfs	99
fstatfs	100
ioperm	101
socketcall	102
syslog	103
setitimer	104
getitimer	105
stat	106
lstat	107
fstat	108
olduname	109
iopl	110
vhangup	111
idle	112
vm86old	113
wait4	114
swapoff	115
sysinfo	116
ipc	117
fsync	118
sigreturn	119
clone	120
setdomainname	121
uname	122
modify_ldt	123
adjtimex	124
mprotect	125
sigprocmask	126
create_module	127
init_module	128
delete_module	129
get_kernel_syms	130
quotactl	131
getpgid	132
fchdir	133
bdflush	134
sysfs	135
personality	136
afs_syscall	137
setfsuid	138
setfsgid	139
_llseek	140
getdents	141
_newselect	142
flock	143
msync	144
readv	145
writev	146
getsid	147
fdatasync	148
_sysctl	149
mlock	150
munlock	151
mlockall	152
munlockall	153
sched_setparam	154
sched_getparam	155
sched_setscheduler	156
sched_getscheduler	157
sched_yield	158
sched_get_priority_max	159
sched_get_priority_min	160
sched_rr_get_interval	161
nanosleep	162
mremap	163
setresuid	164
getresuid	165
vm86	166
query_module	167
poll	168
nfsservctl	169
setresgid	170
getresgid	171
prctl	172
rt_sigreturn	173
rt_sigaction	174
rt_sigprocmask	175
rt_sigpending	176
rt_sigtimedwait	177
rt_sigqueueinfo	178
rt_sigsuspend	179
pread64	180
pwrite64	181
chown	182
getcwd	183
capget	184
capset	185
sigaltstack	186
sendfile	187
getpmsg	188
putpmsg	189
vfork	190
ugetrlimit	191
mmap2	192
truncate64	193
ftruncate64	194
stat64	195
lstat64	196
fstat64	197
lchown32	198
getuid32	199
getgid32	200
geteuid32	201
getegid32	202
setreuid32	203
setregid32	204
getgroups32	205
setgroups32	206
fchown32	207
setresuid32	208
getresuid32	209
setresgid32	210
getresgid32	211
chown32	212
setuid32	213
setgid32	214
setfsuid32	215
setfsgid32	216
pivot_root	217
mincore	218
madvise	219
madvise1	219
getdents64	220
fcntl64	221
gettid	224
readahead	225
setxattr	226
lsetxattr	227
fsetxattr	228
getxattr	229
lgetxattr	230
fgetxattr	231
listxattr	232
llistxattr	233
flistxattr	234
removexattr	235
lremovexattr	236
fremovexattr	237
tkill	238
sendfile64	239
futex	240
sched_setaffinity	241
sched_getaffinity	242
set_thread_area	243
get_thread_area	244
io_setup	245
io_destroy	246
io_getevents	247
io_submit	248
io_cancel	249
fadvise64	250
exit_group	252
lookup_dcookie	253
epoll_create	254
epoll_ctl	255
epoll_wait	256
remap_file_pages	257
set_tid_address	258
timer_create	259
timer_settime	260
timer_gettime	261
timer_getoverrun	262
timer_delete	263
clock_settime	264
clock_gettime	265
clock_getres	266
clock_nanosleep	267
statfs64	268
fstatfs64	269
tgkill	270
utimes	271
fadvise64_64	272
vserver	273
mbind	274
get_mempolicy	275
set_mempolicy	276
mq_open	277
mq_unlink	278
mq_timedsend	279
mq_timedreceive	280
mq_notify	281
mq_getsetattr	282
kexec_load	283
waitid	284
sys_setaltroot	285
add_key	286
request_key	287
keyctl	288
ioprio_set	289
ioprio_get	290
inotify_init	291
inotify_add_watch	292
inotify_rm_watch	293
migrate_pages	294
openat	295
mkdirat	296
mknodat	297
fchownat	298
futimesat	299
fstatat64	300
unlinkat	301
renameat	302
linkat	303
symlinkat	304
readlinkat	305
fchmodat	306
faccessat	307
pselect6	308
ppoll	309
unshare	310
set_robust_list	311
get_robust_list	312
splice	313
sync_file_range	314
tee	315
vmsplice	316
move_pages	317
getcpu	318
epoll_pwait	319
utimensat	320
signalfd	321
timerfd_create	322
eventfd	323
fallocate	324
timerfd_settime	325
timerfd_gettime	326
signalfd4	327
eventfd2	328
epoll_create1	329
dup3	330
pipe2	331
inotify_init1	332
preadv	333
pwritev	334
rt_tgsigqueueinfo	335
perf_event_open	336
recvmmsg	337
fanotify_init	338
fanotify_mark	339
prlimit64	340
name_to_handle_at	341
open_by_handle_at	342
clock_adjtime	343
syncfs	344
sendmmsg	345
set_ns	346
process_vm_readv	347
process_vm_writev	348

64位

函数	调用号
read	0
write	1
open	2
close	3
stat	4
fstat	5
lstat	6
poll	7
lseek	8
mmap	9
mprotect	10
munmap	11
brk	12
rt_sigaction	13
rt_sigprocmask	14
rt_sigreturn	15
ioctl	16
pread64	17
pwrite64	18
readv	19
writev	20
access	21
pipe	22
select	23
sched_yield	24
mremap	25
msync	26
mincore	27
madvise	28
shmget	29
shmat	30
shmctl	31
dup	32
dup2	33
pause	34
nanosleep	35
getitimer	36
alarm	37
setitimer	38
getpid	39
sendfile	40
socket	41
connect	42
accept	43
sendto	44
recvfrom	45
sendmsg	46
recvmsg	47
shutdown	48
bind	49
listen	50
getsockname	51
getpeername	52
socketpair	53
setsockopt	54
getsockopt	55
clone	56
fork	57
vfork	58
execve	59
exit	60
wait4	61
kill	62
uname	63
semget	64
semop	65
semctl	66
shmdt	67
msgget	68
msgsnd	69
msgrcv	70
msgctl	71
fcntl	72
flock	73
fsync	74
fdatasync	75
truncate	76
ftruncate	77
getdents	78
getcwd	79
chdir	80
fchdir	81
rename	82
mkdir	83
rmdir	84
creat	85
link	86
unlink	87
symlink	88
readlink	89
chmod	90
fchmod	91
chown	92
fchown	93
lchown	94
umask	95
gettimeofday	96
getrlimit	97
getrusage	98
sysinfo	99
times	100
ptrace	101
getuid	102
syslog	103
getgid	104
setuid	105
setgid	106
geteuid	107
getegid	108
setpgid	109
getppid	110
getpgrp	111
setsid	112
setreuid	113
setregid	114
getgroups	115
setgroups	116
setresuid	117
getresuid	118
setresgid	119
getresgid	120
getpgid	121
setfsuid	122
setfsgid	123
getsid	124
capget	125
capset	126
rt_sigpending	127
rt_sigtimedwait	128
rt_sigqueueinfo	129
rt_sigsuspend	130
sigaltstack	131
utime	132
mknod	133
d	for
uselib	134
personality	135
ustat	136
statfs	137
fstatfs	138
sysfs	139
getpriority	140
setpriority	141
sched_setparam	142
sched_getparam	143
sched_setscheduler	144
sched_getscheduler	145
sched_get_priority_max	146
sched_get_priority_min	147
sched_rr_get_interval	148
mlock	149
munlock	150
mlockall	151
munlockall	152
vhangup	153
modify_ldt	154
pivot_root	155
_sysctl	156
prctl	157
arch_prctl	158
adjtimex	159
setrlimit	160
chroot	161
sync	162
acct	163
settimeofday	164
mount	165
umount2	166
swapon	167
swapoff	168
reboot	169
sethostname	170
setdomainname	171
iopl	172
ioperm	173
create_module	174
init_module	175
delete_module	176
get_kernel_syms	177
query_module	178
quotactl	179
nfsservctl	180
getpmsg	181
putpmsg	182
afs_syscall	183
tuxcall	184
security	185
gettid	186
readahead	187
setxattr	188
lsetxattr	189
fsetxattr	190
getxattr	191
lgetxattr	192
fgetxattr	193
listxattr	194
llistxattr	195
flistxattr	196
removexattr	197
lremovexattr	198
fremovexattr	199
tkill	200
time	201
futex	202
sched_setaffinity	203
sched_getaffinity	204
set_thread_area	205
io_setup	206
io_destroy	207
io_getevents	208
io_submit	209
io_cancel	210
get_thread_area	211
lookup_dcookie	212
epoll_create	213
epoll_ctl_old	214
epoll_wait_old	215
remap_file_pages	216
getdents64	217
set_tid_address	218
restart_syscall	219
semtimedop	220
fadvise64	221
timer_create	222
timer_settime	223
timer_gettime	224
timer_getoverrun	225
timer_delete	226
clock_settime	227
clock_gettime	228
clock_getres	229
clock_nanosleep	230
exit_group	231
epoll_wait	232
epoll_ctl	233
tgkill	234
utimes	235
vserver	236
mbind	237
set_mempolicy	238
get_mempolicy	239
mq_open	240
mq_unlink	241
mq_timedsend	242
mq_timedreceive	243
mq_notify	244
mq_getsetattr	245
kexec_load	246
waitid	247
add_key	248
request_key	249
keyctl	250
ioprio_set	251
ioprio_get	252
inotify_init	253
inotify_add_watch	254
inotify_rm_watch	255
migrate_pages	256
openat	257
mkdirat	258
mknodat	259
fchownat	260
futimesat	261
newfstatat	262
unlinkat	263
renameat	264
linkat	265
symlinkat	266
readlinkat	267
fchmodat	268
faccessat	269
pselect6	270
ppoll	271
unshare	272
set_robust_list	273
get_robust_list	274
splice	275
tee	276
sync_file_range	277
vmsplice	278
move_pages	279
utimensat	280
epoll_pwait	281
signalfd	282
timerfd_create	283
eventfd	284
fallocate	285
timerfd_settime	286
timerfd_gettime	287
accept4	288
signalfd4	289
eventfd2	290
epoll_create1	291
dup3	292
pipe2	293
inotify_init1	294
preadv	295
pwritev	296
rt_tgsigqueueinfo	297
perf_event_open	298
recvmmsg	299
fanotify_init	300
fanotify_mark	301
prlimit64	302
name_to_handle_at	303
open_by_handle_at	304
clock_adjtime	305
syncfs	306
sendmmsg	307
set_ns	308
get_cpu	309
process_vm_readv	310
process_vm_writev	311