1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
{
This file is part of the Free Pascal run time library.
Copyright (c) 2003 Marco van de Voort
member of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY;without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
(*
function clone(func:TCloneFunc;sp:pointer;flags:longint;args:pointer):longint;
{NOT IMPLEMENTED YET UNDER BSD}
begin // perhaps it is better to implement the hack from solaris then this msg
HALT;
END;
if (pointer(func)=nil) or (sp=nil) then
begin
Lfpseterrno(EsysEInval);
exit(-1);
end;
asm
{ Insert the argument onto the new stack. }
movl sp,%ecx
subl $8,%ecx
movl args,%eax
movl %eax,4(%ecx)
{ Save the function pointer as the zeroth argument.
It will be popped off in the child in the ebx frobbing below. }
movl func,%eax
movl %eax,0(%ecx)
{ Do the system call }
pushl %ebx
pushl %ebx
// movl flags,%ebx
movl $251,%eax
int $0x80
popl %ebx
popl %ebx
test %eax,%eax
jnz .Lclone_end
{ We're in the new thread }
subl %ebp,%ebp { terminate the stack frame }
call *%ebx
{ exit process }
movl %eax,%ebx
movl $1,%eax
int $0x80
.Lclone_end:
movl %eax,__RESULT
end;
end;
*)
Function fsync (fd : cint) : cint;
begin
fsync:=do_syscall(syscall_nr_fsync,fd);
end;
Function fpFlock (fd,mode : longint) : cint;
begin
fpFlock:=do_syscall(syscall_nr_flock,fd,mode);
end;
Function fStatFS(Fd:Longint;Var Info:tstatfs):cint;
{
Get all information on a fileSystem, and return it in Info.
Fd is the file descriptor of a file/directory on the fileSystem
you wish to investigate.
}
begin
fStatFS:=do_syscall(syscall_nr_fstatfs,fd,longint(@info));
end;
Function StatFS(path:pchar;Var Info:tstatfs):cint;
{
Get all information on a fileSystem, and return it in Info.
Fd is the file descriptor of a file/directory on the fileSystem
you wish to investigate.
}
begin
StatFS:=do_syscall(syscall_nr_statfs,longint(path),longint(@info));
end;
// needs oldfpccall;
Function intAssignPipe(var pipe_in,pipe_out:longint;var errn:cint):cint; {$ifndef ver1_0} oldfpccall;{$endif}
{
Sets up a pair of file variables, which act as a pipe. The first one can
be read from, the second one can be written to.
If the operation was unsuccesful, linuxerror is set.
}
begin
asm
mov $42,%eax
int $0x80
jb .Lerror
mov pipe_in,%ebx
mov %eax,(%ebx)
mov pipe_out,%ebx
mov $0,%eax
mov %edx,(%ebx)
mov %eax,%ebx
jmp .Lexit
.Lerror:
mov %eax,%ebx
mov $-1,%eax
.Lexit:
mov Errn,%edx
mov %ebx,(%edx)
end;
end;
function MUnMap (P : Pointer; Size : size_t) : cint;
begin
MUnMap:=do_syscall(syscall_nr_munmap,longint(P),Size);
end;
|