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drwxr-xr-x
asm9_unix1_amd64.s
1.02
KB
-rw-r--r--
asm9_unix2_amd64.s
1.2
KB
-rw-r--r--
asm_aix_ppc64.s
540
B
-rw-r--r--
asm_darwin_386.s
2.5
KB
-rw-r--r--
asm_darwin_amd64.s
2.82
KB
-rw-r--r--
asm_darwin_arm.s
2.81
KB
-rw-r--r--
asm_darwin_arm64.s
2.71
KB
-rw-r--r--
asm_freebsd_arm.s
2.96
KB
-rw-r--r--
asm_freebsd_arm64.s
2.68
KB
-rw-r--r--
asm_linux_386.s
4.67
KB
-rw-r--r--
asm_linux_amd64.s
3.21
KB
-rw-r--r--
asm_linux_arm.s
3.63
KB
-rw-r--r--
asm_linux_arm64.s
2.73
KB
-rw-r--r--
asm_linux_mips64x.s
2.28
KB
-rw-r--r--
asm_linux_mipsx.s
3.28
KB
-rw-r--r--
asm_linux_ppc64x.s
2.66
KB
-rw-r--r--
asm_linux_riscv64.s
2.46
KB
-rw-r--r--
asm_linux_s390x.s
4.19
KB
-rw-r--r--
asm_netbsd_arm.s
2.85
KB
-rw-r--r--
asm_netbsd_arm64.s
2.77
KB
-rw-r--r--
asm_openbsd_arm.s
3.22
KB
-rw-r--r--
asm_openbsd_arm64.s
2.49
KB
-rw-r--r--
asm_plan9_386.s
3.14
KB
-rw-r--r--
asm_plan9_amd64.s
3.06
KB
-rw-r--r--
asm_plan9_arm.s
3.25
KB
-rw-r--r--
asm_solaris_amd64.s
1.79
KB
-rw-r--r--
asm_unix_386.s
2.74
KB
-rw-r--r--
asm_unix_amd64.s
2.08
KB
-rw-r--r--
asm_windows.s
384
B
-rw-r--r--
bpf_bsd.go
4.61
KB
-rw-r--r--
bpf_darwin.go
3.97
KB
-rw-r--r--
const_plan9.go
1.2
KB
-rw-r--r--
creds_test.go
3.26
KB
-rw-r--r--
dir_plan9.go
5.62
KB
-rw-r--r--
dirent.go
3
KB
-rw-r--r--
dirent_test.go
3.28
KB
-rw-r--r--
dll_windows.go
9.72
KB
-rw-r--r--
endian_big.go
239
B
-rw-r--r--
endian_little.go
273
B
-rw-r--r--
env_plan9.go
2.15
KB
-rw-r--r--
env_unix.go
2.77
KB
-rw-r--r--
env_windows.go
1.75
KB
-rw-r--r--
errors_plan9.go
1.61
KB
-rw-r--r--
exec_aix_test.go
816
B
-rw-r--r--
exec_bsd.go
6.36
KB
-rw-r--r--
exec_darwin.go
6.76
KB
-rw-r--r--
exec_libc.go
6.96
KB
-rw-r--r--
exec_linux.go
18.34
KB
-rw-r--r--
exec_linux_test.go
18.81
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-rw-r--r--
exec_plan9.go
13.19
KB
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exec_solaris_test.go
808
B
-rw-r--r--
exec_unix.go
8.13
KB
-rw-r--r--
exec_unix_test.go
3.89
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-rw-r--r--
exec_windows.go
7.64
KB
-rw-r--r--
export_freebsd_test.go
304
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-rw-r--r--
export_linux_test.go
252
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-rw-r--r--
export_test.go
193
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-rw-r--r--
export_unix_test.go
341
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-rw-r--r--
flock.go
691
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-rw-r--r--
flock_aix.go
564
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-rw-r--r--
flock_darwin.go
405
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-rw-r--r--
flock_linux_32bit.go
481
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-rw-r--r--
forkpipe.go
501
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-rw-r--r--
forkpipe2.go
276
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-rw-r--r--
fs_js.go
10.46
KB
-rw-r--r--
getdirentries_test.go
2.18
KB
-rw-r--r--
lsf_linux.go
2.12
KB
-rw-r--r--
mkall.sh
12.49
KB
-rwxr-xr-x
mkasm_darwin.go
1.66
KB
-rw-r--r--
mkerrors.sh
10.65
KB
-rwxr-xr-x
mkpost.go
1.99
KB
-rw-r--r--
mksyscall.pl
9.52
KB
-rwxr-xr-x
mksyscall_libc.pl
7.8
KB
-rwxr-xr-x
mksyscall_windows.go
707
B
-rw-r--r--
mksysctl_openbsd.pl
5.04
KB
-rwxr-xr-x
mksysnum_darwin.pl
578
B
-rwxr-xr-x
mksysnum_dragonfly.pl
866
B
-rwxr-xr-x
mksysnum_freebsd.pl
1.35
KB
-rwxr-xr-x
mksysnum_linux.pl
1.26
KB
-rwxr-xr-x
mksysnum_netbsd.pl
1.01
KB
-rwxr-xr-x
mksysnum_openbsd.pl
871
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-rwxr-xr-x
mksysnum_plan9.sh
459
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-rwxr-xr-x
mmap_unix_test.go
544
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-rw-r--r--
msan.go
409
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-rw-r--r--
msan0.go
341
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-rw-r--r--
net.go
1.19
KB
-rw-r--r--
net_js.go
2.11
KB
-rw-r--r--
netlink_linux.go
4.67
KB
-rw-r--r--
pwd_plan9.go
1.55
KB
-rw-r--r--
route_bsd.go
9.09
KB
-rw-r--r--
route_darwin.go
2.01
KB
-rw-r--r--
route_dragonfly.go
2.61
KB
-rw-r--r--
route_freebsd.go
2.67
KB
-rw-r--r--
route_freebsd_32bit.go
1.29
KB
-rw-r--r--
route_freebsd_64bit.go
724
B
-rw-r--r--
route_netbsd.go
1.43
KB
-rw-r--r--
route_openbsd.go
1.46
KB
-rw-r--r--
security_windows.go
10.12
KB
-rw-r--r--
setuidgid_32_linux.go
306
B
-rw-r--r--
setuidgid_linux.go
302
B
-rw-r--r--
sock_cloexec_linux.go
632
B
-rw-r--r--
sockcmsg_dragonfly.go
547
B
-rw-r--r--
sockcmsg_linux.go
1.12
KB
-rw-r--r--
sockcmsg_unix.go
2.56
KB
-rw-r--r--
sockcmsg_unix_other.go
957
B
-rw-r--r--
str.go
549
B
-rw-r--r--
syscall.go
3.72
KB
-rw-r--r--
syscall_aix.go
17.83
KB
-rw-r--r--
syscall_aix_ppc64.go
405
B
-rw-r--r--
syscall_bsd.go
14.07
KB
-rw-r--r--
syscall_bsd_test.go
1.16
KB
-rw-r--r--
syscall_darwin.go
14.26
KB
-rw-r--r--
syscall_darwin_386.go
2
KB
-rw-r--r--
syscall_darwin_amd64.go
1.92
KB
-rw-r--r--
syscall_darwin_arm.go
2.03
KB
-rw-r--r--
syscall_darwin_arm64.go
1.98
KB
-rw-r--r--
syscall_dragonfly.go
7.98
KB
-rw-r--r--
syscall_dragonfly_amd64.go
1.12
KB
-rw-r--r--
syscall_freebsd.go
15.82
KB
-rw-r--r--
syscall_freebsd_386.go
1.17
KB
-rw-r--r--
syscall_freebsd_amd64.go
1.12
KB
-rw-r--r--
syscall_freebsd_arm.go
1.16
KB
-rw-r--r--
syscall_freebsd_arm64.go
1.12
KB
-rw-r--r--
syscall_freebsd_test.go
1.35
KB
-rw-r--r--
syscall_getwd_bsd.go
453
B
-rw-r--r--
syscall_js.go
6.59
KB
-rw-r--r--
syscall_linux.go
26.05
KB
-rw-r--r--
syscall_linux_386.go
10.91
KB
-rw-r--r--
syscall_linux_amd64.go
5.39
KB
-rw-r--r--
syscall_linux_arm.go
7.47
KB
-rw-r--r--
syscall_linux_arm64.go
6.24
KB
-rw-r--r--
syscall_linux_mips64x.go
6.58
KB
-rw-r--r--
syscall_linux_mipsx.go
7.03
KB
-rw-r--r--
syscall_linux_ppc64x.go
5.21
KB
-rw-r--r--
syscall_linux_riscv64.go
6.4
KB
-rw-r--r--
syscall_linux_s390x.go
8.64
KB
-rw-r--r--
syscall_linux_test.go
10.61
KB
-rw-r--r--
syscall_netbsd.go
7.59
KB
-rw-r--r--
syscall_netbsd_386.go
716
B
-rw-r--r--
syscall_netbsd_amd64.go
709
B
-rw-r--r--
syscall_netbsd_arm.go
716
B
-rw-r--r--
syscall_netbsd_arm64.go
709
B
-rw-r--r--
syscall_openbsd.go
7.06
KB
-rw-r--r--
syscall_openbsd_386.go
715
B
-rw-r--r--
syscall_openbsd_amd64.go
701
B
-rw-r--r--
syscall_openbsd_arm.go
715
B
-rw-r--r--
syscall_openbsd_arm64.go
906
B
-rw-r--r--
syscall_plan9.go
8.94
KB
-rw-r--r--
syscall_plan9_test.go
1.15
KB
-rw-r--r--
syscall_ptrace_test.go
752
B
-rw-r--r--
syscall_solaris.go
15.07
KB
-rw-r--r--
syscall_solaris_amd64.go
487
B
-rw-r--r--
syscall_test.go
1.7
KB
-rw-r--r--
syscall_unix.go
8.3
KB
-rw-r--r--
syscall_unix_test.go
10.61
KB
-rw-r--r--
syscall_windows.go
42.54
KB
-rw-r--r--
syscall_windows_386.go
176
B
-rw-r--r--
syscall_windows_amd64.go
176
B
-rw-r--r--
syscall_windows_test.go
1.8
KB
-rw-r--r--
tables_js.go
19.17
KB
-rw-r--r--
time_fake.go
676
B
-rw-r--r--
time_nofake.go
350
B
-rw-r--r--
timestruct.go
1.13
KB
-rw-r--r--
types_aix.go
3.35
KB
-rw-r--r--
types_darwin.go
4.98
KB
-rw-r--r--
types_dragonfly.go
5.04
KB
-rw-r--r--
types_freebsd.go
6.96
KB
-rw-r--r--
types_linux.go
10.68
KB
-rw-r--r--
types_netbsd.go
4.77
KB
-rw-r--r--
types_openbsd.go
5.04
KB
-rw-r--r--
types_solaris.go
4.88
KB
-rw-r--r--
types_windows.go
26.96
KB
-rw-r--r--
types_windows_386.go
477
B
-rw-r--r--
types_windows_amd64.go
477
B
-rw-r--r--
types_windows_arm.go
477
B
-rw-r--r--
zerrors_aix_ppc64.go
47.16
KB
-rw-r--r--
zerrors_darwin_386.go
55.27
KB
-rw-r--r--
zerrors_darwin_amd64.go
55.27
KB
-rw-r--r--
zerrors_darwin_arm.go
46.08
KB
-rw-r--r--
zerrors_darwin_arm64.go
55.78
KB
-rw-r--r--
zerrors_dragonfly_amd64.go
59.49
KB
-rw-r--r--
zerrors_freebsd_386.go
67.35
KB
-rw-r--r--
zerrors_freebsd_amd64.go
67.4
KB
-rw-r--r--
zerrors_freebsd_arm.go
67.34
KB
-rw-r--r--
zerrors_freebsd_arm64.go
67.41
KB
-rw-r--r--
zerrors_linux_386.go
58.31
KB
-rw-r--r--
zerrors_linux_amd64.go
58.35
KB
-rw-r--r--
zerrors_linux_arm.go
58.83
KB
-rw-r--r--
zerrors_linux_arm64.go
69.52
KB
-rw-r--r--
zerrors_linux_mips.go
70.14
KB
-rw-r--r--
zerrors_linux_mips64.go
69.46
KB
-rw-r--r--
zerrors_linux_mips64le.go
69.46
KB
-rw-r--r--
zerrors_linux_mipsle.go
70.14
KB
-rw-r--r--
zerrors_linux_ppc64.go
71.84
KB
-rw-r--r--
zerrors_linux_ppc64le.go
72.8
KB
-rw-r--r--
zerrors_linux_riscv64.go
71.76
KB
-rw-r--r--
zerrors_linux_s390x.go
74.28
KB
-rw-r--r--
zerrors_netbsd_386.go
67.43
KB
-rw-r--r--
zerrors_netbsd_amd64.go
67.02
KB
-rw-r--r--
zerrors_netbsd_arm.go
66.45
KB
-rw-r--r--
zerrors_netbsd_arm64.go
67.02
KB
-rw-r--r--
zerrors_openbsd_386.go
62.47
KB
-rw-r--r--
zerrors_openbsd_amd64.go
62.43
KB
-rw-r--r--
zerrors_openbsd_arm.go
62.46
KB
-rw-r--r--
zerrors_openbsd_arm64.go
66.36
KB
-rw-r--r--
zerrors_solaris_amd64.go
50.71
KB
-rw-r--r--
zerrors_windows.go
9.97
KB
-rw-r--r--
zerrors_windows_386.go
176
B
-rw-r--r--
zerrors_windows_amd64.go
176
B
-rw-r--r--
zsyscall_aix_ppc64.go
40.02
KB
-rw-r--r--
zsyscall_darwin_386.go
53.97
KB
-rw-r--r--
zsyscall_darwin_386.s
8.65
KB
-rw-r--r--
zsyscall_darwin_amd64.go
53.83
KB
-rw-r--r--
zsyscall_darwin_amd64.s
8.65
KB
-rw-r--r--
zsyscall_darwin_arm.go
53.44
KB
-rw-r--r--
zsyscall_darwin_arm.s
8.56
KB
-rw-r--r--
zsyscall_darwin_arm64.go
53.3
KB
-rw-r--r--
zsyscall_darwin_arm64.s
8.56
KB
-rw-r--r--
zsyscall_dragonfly_amd64.go
30.9
KB
-rw-r--r--
zsyscall_freebsd_386.go
33.55
KB
-rw-r--r--
zsyscall_freebsd_amd64.go
33.41
KB
-rw-r--r--
zsyscall_freebsd_arm.go
33.58
KB
-rw-r--r--
zsyscall_freebsd_arm64.go
33.41
KB
-rw-r--r--
zsyscall_linux_386.go
35.54
KB
-rw-r--r--
zsyscall_linux_amd64.go
40.66
KB
-rw-r--r--
zsyscall_linux_arm.go
39.77
KB
-rw-r--r--
zsyscall_linux_arm64.go
38.92
KB
-rw-r--r--
zsyscall_linux_mips.go
41.52
KB
-rw-r--r--
zsyscall_linux_mips64.go
41.3
KB
-rw-r--r--
zsyscall_linux_mips64le.go
41.3
KB
-rw-r--r--
zsyscall_linux_mipsle.go
41.52
KB
-rw-r--r--
zsyscall_linux_ppc64.go
41.94
KB
-rw-r--r--
zsyscall_linux_ppc64le.go
41.94
KB
-rw-r--r--
zsyscall_linux_riscv64.go
38.95
KB
-rw-r--r--
zsyscall_linux_s390x.go
35.94
KB
-rw-r--r--
zsyscall_netbsd_386.go
29.62
KB
-rw-r--r--
zsyscall_netbsd_amd64.go
29.48
KB
-rw-r--r--
zsyscall_netbsd_arm.go
29.63
KB
-rw-r--r--
zsyscall_netbsd_arm64.go
29.48
KB
-rw-r--r--
zsyscall_openbsd_386.go
30.46
KB
-rw-r--r--
zsyscall_openbsd_amd64.go
30.32
KB
-rw-r--r--
zsyscall_openbsd_arm.go
30.47
KB
-rw-r--r--
zsyscall_openbsd_arm64.go
30.32
KB
-rw-r--r--
zsyscall_plan9_386.go
6.17
KB
-rw-r--r--
zsyscall_plan9_amd64.go
6.17
KB
-rw-r--r--
zsyscall_plan9_arm.go
6.17
KB
-rw-r--r--
zsyscall_solaris_amd64.go
35.79
KB
-rw-r--r--
zsyscall_windows.go
60.53
KB
-rw-r--r--
zsysctl_openbsd.go
11.71
KB
-rw-r--r--
zsysnum_darwin_386.go
14.55
KB
-rw-r--r--
zsysnum_darwin_amd64.go
14.55
KB
-rw-r--r--
zsysnum_darwin_arm.go
12.28
KB
-rw-r--r--
zsysnum_darwin_arm64.go
14.38
KB
-rw-r--r--
zsysnum_dragonfly_amd64.go
22.72
KB
-rw-r--r--
zsysnum_freebsd_386.go
25.65
KB
-rw-r--r--
zsysnum_freebsd_amd64.go
25.65
KB
-rw-r--r--
zsysnum_freebsd_arm.go
25.65
KB
-rw-r--r--
zsysnum_freebsd_arm64.go
36.09
KB
-rw-r--r--
zsysnum_linux_386.go
11.26
KB
-rw-r--r--
zsysnum_linux_amd64.go
10.1
KB
-rw-r--r--
zsysnum_linux_arm.go
11.55
KB
-rw-r--r--
zsysnum_linux_arm64.go
8.95
KB
-rw-r--r--
zsysnum_linux_mips.go
12.1
KB
-rw-r--r--
zsysnum_linux_mips64.go
10.93
KB
-rw-r--r--
zsysnum_linux_mips64le.go
10.93
KB
-rw-r--r--
zsysnum_linux_mipsle.go
12.1
KB
-rw-r--r--
zsysnum_linux_ppc64.go
11.46
KB
-rw-r--r--
zsysnum_linux_ppc64le.go
11.49
KB
-rw-r--r--
zsysnum_linux_riscv64.go
8.88
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-rw-r--r--
zsysnum_linux_s390x.go
10.64
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-rw-r--r--
zsysnum_netbsd_386.go
25.54
KB
-rw-r--r--
zsysnum_netbsd_amd64.go
25.55
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-rw-r--r--
zsysnum_netbsd_arm.go
25.54
KB
-rw-r--r--
zsysnum_netbsd_arm64.go
25.55
KB
-rw-r--r--
zsysnum_openbsd_386.go
14.15
KB
-rw-r--r--
zsysnum_openbsd_amd64.go
14.15
KB
-rw-r--r--
zsysnum_openbsd_arm.go
14.46
KB
-rw-r--r--
zsysnum_openbsd_arm64.go
14.72
KB
-rw-r--r--
zsysnum_plan9.go
1.03
KB
-rw-r--r--
zsysnum_solaris_amd64.go
289
B
-rw-r--r--
zsysnum_windows_386.go
40
B
-rw-r--r--
zsysnum_windows_amd64.go
40
B
-rw-r--r--
ztypes_aix_ppc64.go
4.17
KB
-rw-r--r--
ztypes_darwin_386.go
6.7
KB
-rw-r--r--
ztypes_darwin_amd64.go
6.92
KB
-rw-r--r--
ztypes_darwin_arm.go
6.77
KB
-rw-r--r--
ztypes_darwin_arm64.go
6.92
KB
-rw-r--r--
ztypes_dragonfly_amd64.go
6.7
KB
-rw-r--r--
ztypes_freebsd_386.go
9
KB
-rw-r--r--
ztypes_freebsd_amd64.go
9
KB
-rw-r--r--
ztypes_freebsd_arm.go
9.01
KB
-rw-r--r--
ztypes_freebsd_arm64.go
9
KB
-rw-r--r--
ztypes_linux_386.go
11.55
KB
-rw-r--r--
ztypes_linux_amd64.go
11.92
KB
-rw-r--r--
ztypes_linux_arm.go
11.44
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ztypes_linux_arm64.go
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ztypes_linux_mips.go
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ztypes_linux_mips64.go
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ztypes_linux_ppc64.go
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ztypes_linux_riscv64.go
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ztypes_netbsd_386.go
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ztypes_openbsd_arm.go
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ztypes_openbsd_arm64.go
6.66
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ztypes_solaris_amd64.go
5.56
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Code Editor : exec_windows.go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Fork, exec, wait, etc. package syscall import ( "sync" "unicode/utf16" "unsafe" ) var ForkLock sync.RWMutex // EscapeArg rewrites command line argument s as prescribed // in https://msdn.microsoft.com/en-us/library/ms880421. // This function returns "" (2 double quotes) if s is empty. // Alternatively, these transformations are done: // - every back slash (\) is doubled, but only if immediately // followed by double quote ("); // - every double quote (") is escaped by back slash (\); // - finally, s is wrapped with double quotes (arg -> "arg"), // but only if there is space or tab inside s. func EscapeArg(s string) string { if len(s) == 0 { return "\"\"" } n := len(s) hasSpace := false for i := 0; i < len(s); i++ { switch s[i] { case '"', '\\': n++ case ' ', '\t': hasSpace = true } } if hasSpace { n += 2 } if n == len(s) { return s } qs := make([]byte, n) j := 0 if hasSpace { qs[j] = '"' j++ } slashes := 0 for i := 0; i < len(s); i++ { switch s[i] { default: slashes = 0 qs[j] = s[i] case '\\': slashes++ qs[j] = s[i] case '"': for ; slashes > 0; slashes-- { qs[j] = '\\' j++ } qs[j] = '\\' j++ qs[j] = s[i] } j++ } if hasSpace { for ; slashes > 0; slashes-- { qs[j] = '\\' j++ } qs[j] = '"' j++ } return string(qs[:j]) } // makeCmdLine builds a command line out of args by escaping "special" // characters and joining the arguments with spaces. func makeCmdLine(args []string) string { var s string for _, v := range args { if s != "" { s += " " } s += EscapeArg(v) } return s } // createEnvBlock converts an array of environment strings into // the representation required by CreateProcess: a sequence of NUL // terminated strings followed by a nil. // Last bytes are two UCS-2 NULs, or four NUL bytes. func createEnvBlock(envv []string) *uint16 { if len(envv) == 0 { return &utf16.Encode([]rune("\x00\x00"))[0] } length := 0 for _, s := range envv { length += len(s) + 1 } length += 1 b := make([]byte, length) i := 0 for _, s := range envv { l := len(s) copy(b[i:i+l], []byte(s)) copy(b[i+l:i+l+1], []byte{0}) i = i + l + 1 } copy(b[i:i+1], []byte{0}) return &utf16.Encode([]rune(string(b)))[0] } func CloseOnExec(fd Handle) { SetHandleInformation(Handle(fd), HANDLE_FLAG_INHERIT, 0) } func SetNonblock(fd Handle, nonblocking bool) (err error) { return nil } // FullPath retrieves the full path of the specified file. func FullPath(name string) (path string, err error) { p, err := UTF16PtrFromString(name) if err != nil { return "", err } n := uint32(100) for { buf := make([]uint16, n) n, err = GetFullPathName(p, uint32(len(buf)), &buf[0], nil) if err != nil { return "", err } if n <= uint32(len(buf)) { return UTF16ToString(buf[:n]), nil } } } func isSlash(c uint8) bool { return c == '\\' || c == '/' } func normalizeDir(dir string) (name string, err error) { ndir, err := FullPath(dir) if err != nil { return "", err } if len(ndir) > 2 && isSlash(ndir[0]) && isSlash(ndir[1]) { // dir cannot have \\server\share\path form return "", EINVAL } return ndir, nil } func volToUpper(ch int) int { if 'a' <= ch && ch <= 'z' { ch += 'A' - 'a' } return ch } func joinExeDirAndFName(dir, p string) (name string, err error) { if len(p) == 0 { return "", EINVAL } if len(p) > 2 && isSlash(p[0]) && isSlash(p[1]) { // \\server\share\path form return p, nil } if len(p) > 1 && p[1] == ':' { // has drive letter if len(p) == 2 { return "", EINVAL } if isSlash(p[2]) { return p, nil } else { d, err := normalizeDir(dir) if err != nil { return "", err } if volToUpper(int(p[0])) == volToUpper(int(d[0])) { return FullPath(d + "\\" + p[2:]) } else { return FullPath(p) } } } else { // no drive letter d, err := normalizeDir(dir) if err != nil { return "", err } if isSlash(p[0]) { return FullPath(d[:2] + p) } else { return FullPath(d + "\\" + p) } } } type ProcAttr struct { Dir string Env []string Files []uintptr Sys *SysProcAttr } type SysProcAttr struct { HideWindow bool CmdLine string // used if non-empty, else the windows command line is built by escaping the arguments passed to StartProcess CreationFlags uint32 Token Token // if set, runs new process in the security context represented by the token ProcessAttributes *SecurityAttributes // if set, applies these security attributes as the descriptor for the new process ThreadAttributes *SecurityAttributes // if set, applies these security attributes as the descriptor for the main thread of the new process } var zeroProcAttr ProcAttr var zeroSysProcAttr SysProcAttr func StartProcess(argv0 string, argv []string, attr *ProcAttr) (pid int, handle uintptr, err error) { if len(argv0) == 0 { return 0, 0, EWINDOWS } if attr == nil { attr = &zeroProcAttr } sys := attr.Sys if sys == nil { sys = &zeroSysProcAttr } if len(attr.Files) > 3 { return 0, 0, EWINDOWS } if len(attr.Files) < 3 { return 0, 0, EINVAL } if len(attr.Dir) != 0 { // StartProcess assumes that argv0 is relative to attr.Dir, // because it implies Chdir(attr.Dir) before executing argv0. // Windows CreateProcess assumes the opposite: it looks for // argv0 relative to the current directory, and, only once the new // process is started, it does Chdir(attr.Dir). We are adjusting // for that difference here by making argv0 absolute. var err error argv0, err = joinExeDirAndFName(attr.Dir, argv0) if err != nil { return 0, 0, err } } argv0p, err := UTF16PtrFromString(argv0) if err != nil { return 0, 0, err } var cmdline string // Windows CreateProcess takes the command line as a single string: // use attr.CmdLine if set, else build the command line by escaping // and joining each argument with spaces if sys.CmdLine != "" { cmdline = sys.CmdLine } else { cmdline = makeCmdLine(argv) } var argvp *uint16 if len(cmdline) != 0 { argvp, err = UTF16PtrFromString(cmdline) if err != nil { return 0, 0, err } } var dirp *uint16 if len(attr.Dir) != 0 { dirp, err = UTF16PtrFromString(attr.Dir) if err != nil { return 0, 0, err } } // Acquire the fork lock so that no other threads // create new fds that are not yet close-on-exec // before we fork. ForkLock.Lock() defer ForkLock.Unlock() p, _ := GetCurrentProcess() fd := make([]Handle, len(attr.Files)) for i := range attr.Files { if attr.Files[i] > 0 { err := DuplicateHandle(p, Handle(attr.Files[i]), p, &fd[i], 0, true, DUPLICATE_SAME_ACCESS) if err != nil { return 0, 0, err } defer CloseHandle(Handle(fd[i])) } } si := new(StartupInfo) si.Cb = uint32(unsafe.Sizeof(*si)) si.Flags = STARTF_USESTDHANDLES if sys.HideWindow { si.Flags |= STARTF_USESHOWWINDOW si.ShowWindow = SW_HIDE } si.StdInput = fd[0] si.StdOutput = fd[1] si.StdErr = fd[2] pi := new(ProcessInformation) flags := sys.CreationFlags | CREATE_UNICODE_ENVIRONMENT if sys.Token != 0 { err = CreateProcessAsUser(sys.Token, argv0p, argvp, sys.ProcessAttributes, sys.ThreadAttributes, true, flags, createEnvBlock(attr.Env), dirp, si, pi) } else { err = CreateProcess(argv0p, argvp, sys.ProcessAttributes, sys.ThreadAttributes, true, flags, createEnvBlock(attr.Env), dirp, si, pi) } if err != nil { return 0, 0, err } defer CloseHandle(Handle(pi.Thread)) return int(pi.ProcessId), uintptr(pi.Process), nil } func Exec(argv0 string, argv []string, envv []string) (err error) { return EWINDOWS }
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