Warning: Attempt to read property "date" on null in /usr/local/www/websvn.planix.org/blame.php on line 247

Warning: Attempt to read property "msg" on null in /usr/local/www/websvn.planix.org/blame.php on line 247
WebSVN – planix.SVN – Blame – /os/branches/feature_fixcpp/sys/src/cmd/6c/sys.c – Rev 2

Subversion Repositories planix.SVN

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 - 1 
#include <u.h>
2 
#include <libc.h>
3 
#include "/sys/src/libc/9syscall/sys.h"
4 
 
5 
vlong	_sysargs[6*4];
6 
vlong _callsys(void);
7 
 
8 
/*
9 
 * syscalls
10 
 */
11 
 
12 
int
13 
getpid(void)
14 
{
15 
	_sysargs[0] = -1;
16 
	return _callsys();
17 
}
18 
 
19 
long
20 
pread(int fd, void *a, long n, vlong)
21 
{
22 
	_sysargs[0] = PREAD;
23 
	_sysargs[1] = fd;
24 
	_sysargs[2] = (vlong)a;
25 
	_sysargs[3] = n;
26 
	return _callsys();
27 
}
28 
 
29 
long
30 
pwrite(int fd, void *a, long n, vlong)
31 
{
32 
	_sysargs[0] = PWRITE;
33 
	_sysargs[1] = fd;
34 
	_sysargs[2] = (vlong)a;
35 
	_sysargs[3] = n;
36 
	return _callsys();
37 
}
38 
 
39 
int
40 
close(int fd)
41 
{
42 
	_sysargs[0] = CLOSE;
43 
	_sysargs[1] = fd;
44 
	return _callsys();
45 
}
46 
 
47 
int
48 
open(char *name, int mode)
49 
{
50 
	_sysargs[0] = OPEN;
51 
	_sysargs[1] = (vlong)name;
52 
	_sysargs[2] = mode;
53 
	return _callsys();
54 
}
55 
 
56 
int
57 
create(char *f, int mode, ulong perm)
58 
{
59 
	_sysargs[0] = CREATE;
60 
	_sysargs[1] = (vlong)f;
61 
	_sysargs[2] = mode;
62 
	_sysargs[3] = perm;
63 
	return _callsys();
64 
}
65 
 
66 
void
67 
_exits(char *s)
68 
{
69 
	_sysargs[0] = EXITS;
70 
	_sysargs[1] = s!=nil? strlen(s): 0;
71 
	_callsys();
72 
}
73 
 
74 
int
75 
dup(int f, int t)
76 
{
77 
	_sysargs[0] = DUP;
78 
	_sysargs[1] = f;
79 
	_sysargs[2] = t;
80 
	return _callsys();
81 
}
82 
 
83 
int
84 
errstr(char *buf, uint n)
85 
{
86 
	_sysargs[0] = ERRSTR;
87 
	_sysargs[1] = (vlong)buf;
88 
	_sysargs[2] = n;
89 
	return _callsys();
90 
}
91 
 
92 
int
93 
brk_(void *a)
94 
{
95 
	_sysargs[0] = BRK_;
96 
	_sysargs[1] = (vlong)a;
97 
	return _callsys();
98 
}
99 
 
100 
void*
101 
sbrk(ulong n)
102 
{
103 
	_sysargs[0] = -2;
104 
	_sysargs[1] = n;
105 
	return (void*)_callsys();
106 
}