|
@@ -0,0 +1,100 @@
|
|
|
|
+
|
|
|
|
+function fpNice(N:cint):cint;
|
|
|
|
+{
|
|
|
|
+ Set process priority. A positive N means a lower priority.
|
|
|
|
+ A negative N decreases priority.
|
|
|
|
+
|
|
|
|
+Doesn't exist in BSD. Linux emu uses setpriority in a construct as below:
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+begin
|
|
|
|
+ fpNice:=do_syscall(Syscall_nr_nice,N);
|
|
|
|
+end;
|
|
|
|
+
|
|
|
|
+Function fpGetPriority(Which,Who:cint):cint;
|
|
|
|
+{
|
|
|
|
+ Get Priority of process, process group, or user.
|
|
|
|
+ Which : selects what kind of priority is used.
|
|
|
|
+ can be one of the following predefined Constants :
|
|
|
|
+ Prio_User.
|
|
|
|
+ Prio_PGrp.
|
|
|
|
+ Prio_Process.
|
|
|
|
+ Who : depending on which, this is , respectively :
|
|
|
|
+ Uid
|
|
|
|
+ Pid
|
|
|
|
+ Process Group id
|
|
|
|
+ Errors are reported in linuxerror _only_. (priority can be negative)
|
|
|
|
+}
|
|
|
|
+begin
|
|
|
|
+ if (which<prio_process) or (which>prio_user) then
|
|
|
|
+ begin
|
|
|
|
+ { We can save an interrupt here }
|
|
|
|
+ fpgetpriority:=0;
|
|
|
|
+ linuxerror:=ESysEinval;
|
|
|
|
+ end
|
|
|
|
+ else
|
|
|
|
+ begin
|
|
|
|
+ fpGetPriority:=do_syscall(syscall_nr_GetPriority,which,who);
|
|
|
|
+ end;
|
|
|
|
+end;
|
|
|
|
+
|
|
|
|
+Function fpSetPriority(Which,Who,What:cint):cint;
|
|
|
|
+{
|
|
|
|
+ Set Priority of process, process group, or user.
|
|
|
|
+ Which : selects what kind of priority is used.
|
|
|
|
+ can be one of the following predefined Constants :
|
|
|
|
+ Prio_User.
|
|
|
|
+ Prio_PGrp.
|
|
|
|
+ Prio_Process.
|
|
|
|
+ Who : depending on value of which, this is, respectively :
|
|
|
|
+ Uid
|
|
|
|
+ Pid
|
|
|
|
+ Process Group id
|
|
|
|
+ what : A number between -20 and 20. -20 is most favorable, 20 least.
|
|
|
|
+ 0 is the default.
|
|
|
|
+}
|
|
|
|
+begin
|
|
|
|
+ if ((which<prio_process) or (which>prio_user)) or ((what<-20) or (what>20)) then
|
|
|
|
+ fpseterrno(ESyseinval) { We can save an interrupt here }
|
|
|
|
+ else
|
|
|
|
+ begin
|
|
|
|
+ fpSetPriority:=do_syscall(Syscall_nr_Setpriority,which,who,what);
|
|
|
|
+ end;
|
|
|
|
+end;
|
|
|
|
+
|
|
|
|
+Function fpLstat(path:pchar;Info:pstat):cint;
|
|
|
|
+{
|
|
|
|
+ Get all information on a link (the link itself), and return it in info.
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+begin
|
|
|
|
+ fpLStat:=do_syscall(syscall_nr_lstat,TSysParam(path),TSysParam(info));
|
|
|
|
+end;
|
|
|
|
+
|
|
|
|
+Function fpLstat(Filename: PathStr;Info:pstat):cint;
|
|
|
|
+{
|
|
|
|
+ Get all information on a link (the link itself), and return it in info.
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+begin
|
|
|
|
+ FileName:=FileName+#0;
|
|
|
|
+ fpLStat:=do_syscall(syscall_nr_lstat,TSysParam(@filename[1]),TSysParam(info));
|
|
|
|
+end;
|
|
|
|
+
|
|
|
|
+Function fpSymlink(oldname,newname:pchar):cint;
|
|
|
|
+{
|
|
|
|
+ We need this for erase
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+begin
|
|
|
|
+ fpsymlink:=do_syscall(syscall_nr_symlink,TSysParam(oldname),TSysParam(newname));
|
|
|
|
+end;
|
|
|
|
+
|
|
|
|
+{
|
|
|
|
+Function fpReadLink(name,linkname:pchar;maxlen:cint):cint;
|
|
|
|
+
|
|
|
|
+begin
|
|
|
|
+ fpreadlink:=do_syscall(syscall_nr_readlink, TSysParam(name),TSysParam(linkname),maxlen);
|
|
|
|
+end;
|
|
|
|
+}
|
|
|
|
+
|