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#include <u.h>
#include <libc.h>
#include "/sys/src/libc/9syscall/sys.h"
vlong _sysargs[6*4];
vlong _callsys(void);
/*
* syscalls
*/
int
getpid(void)
{
_sysargs[0] = -1;
return _callsys();
}
long
pread(int fd, void *a, long n, vlong)
{
_sysargs[0] = PREAD;
_sysargs[1] = fd;
_sysargs[2] = (vlong)a;
_sysargs[3] = n;
return _callsys();
}
long
pwrite(int fd, void *a, long n, vlong)
{
_sysargs[0] = PWRITE;
_sysargs[1] = fd;
_sysargs[2] = (vlong)a;
_sysargs[3] = n;
return _callsys();
}
int
close(int fd)
{
_sysargs[0] = CLOSE;
_sysargs[1] = fd;
return _callsys();
}
int
open(char *name, int mode)
{
_sysargs[0] = OPEN;
_sysargs[1] = (vlong)name;
_sysargs[2] = mode;
return _callsys();
}
int
create(char *f, int mode, ulong perm)
{
_sysargs[0] = CREATE;
_sysargs[1] = (vlong)f;
_sysargs[2] = mode;
_sysargs[3] = perm;
return _callsys();
}
void
_exits(char *s)
{
_sysargs[0] = EXITS;
_sysargs[1] = s!=nil? strlen(s): 0;
_callsys();
}
int
dup(int f, int t)
{
_sysargs[0] = DUP;
_sysargs[1] = f;
_sysargs[2] = t;
return _callsys();
}
int
errstr(char *buf, uint n)
{
_sysargs[0] = ERRSTR;
_sysargs[1] = (vlong)buf;
_sysargs[2] = n;
return _callsys();
}
int
brk_(void *a)
{
_sysargs[0] = BRK_;
_sysargs[1] = (vlong)a;
return _callsys();
}
void*
sbrk(ulong n)
{
_sysargs[0] = -2;
_sysargs[1] = n;
return (void*)_callsys();
}
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