Fix declared and not set errors in old ptrace package (still

used by ogle)

R=rsc
APPROVED=rsc
DELTA=4  (0 added, 1 deleted, 3 changed)
OCL=34852
CL=34964

diff --git a/usr/austin/ptrace/ptrace_linux.go b/usr/austin/ptrace/ptrace_linux.go
index 06c02808f269dc01382d02591fc95cad213afce0..83faa667fc2158c82bc13b5d529fb36ee0738957 100644 (file)
--- a/usr/austin/ptrace/ptrace_linux.go
+++ b/usr/austin/ptrace/ptrace_linux.go
@@ -419,7 +419,6 @@ func (p *process) uninstallBreakpoints() os.Error {
 // event.
 func (t *thread) wait() {
        for {
-               var err os.Error;
                var ev debugEvent;
                ev.t = t;
                t.logTrace("beginning wait");
@@ -762,7 +761,7 @@ func (p *process) do(f func () os.Error) os.Error {
 // stopMonitor stops the monitor with the given error.  If the monitor
 // is already stopped, does nothing.
 func (p *process) stopMonitor(err os.Error) {
-       doNotBlock := p.stopReq <- err;
+       _ = p.stopReq <- err;
        // TODO(austin) Wait until monitor has exited?
 }
 
@@ -1213,7 +1212,7 @@ func (p *process) attachAllThreads() os.Error {
                                continue;
                        }
 
-                       t, err := p.attachThread(tid);
+                       _, err = p.attachThread(tid);
                        if err != nil {
                                // There could have been a race, or
                                // this process could be a zobmie.
@@ -1308,7 +1307,7 @@ func ForkExec(argv0 string, argv []string, envv []string, dir string, fd []*os.F
                p.pid = pid;
 
                // The process will raise SIGTRAP when it reaches execve.
-               t, err := p.newThread(pid, syscall.SIGTRAP, false);
+               _, err := p.newThread(pid, syscall.SIGTRAP, false);
                return err;
        });
        if err != nil {