V 10
1
LANG:1 0 
PANEL,284 171 266 221 N "_3DFace" 0
EEE E E 1 -1 -1 0  60 59
"" 0 1
EE 2
"CBRef""1"
"EClose"E
""
DISPLAY_LAYER, 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
LAYER, 0 
1
LANG:1 6 Layer1
13 0
"PUSH_BUTTON1"
""
1 60 59 E E E 1 E 1 E N "_3DText" E N "_3DFace" E E
 E E
0 0 0 0 0 0
EE E
0
1
LANG:1 0 
0
1
LANG:1 62 -adobe-helvetica-medium-r-normal-*-*-100-100-100-*-*-iso8859-1
0 ""
60 59 180 86
T 
1
LANG:1 9 TestAsync
"main()
{
string semaphoreFileName=tmpnam ();

int rc=system(\"/tmp/TestAsync \"+semaphoreFileName);

if (rc) {
	DebugN(\"error in system()\",rc);
	return;
}

// now get the PID
string PidFromFile;
bool ok=fileToString(semaphoreFileName,PidFromFile);
if (!ok) {
	DebugN(\"error: could not get the PID of spawned process\");
}

int pid=PidFromFile;
DebugN(\"PID is\",PidFromFile,pid);

rc=startThread (\"guard\",pid);

for (int i=1;i<=10;i++) {
	DebugN(\"Main thread busy doing something\",i);
	delay(1,0);
}


}

void guard(int pid)
{
string f=\"/proc/\"+pid+\"/\";


DebugN(\"Thread: \",getThreadId(),\"We guard\",f);



int max=20;
for (int i=1;i<=max;i++) {
	int rc=access(f,R_OK);
	if (rc<0) {
		max=0; break;
	}
	DebugN(\"guard\",i,\"Access is\",rc);
	delay(1,0);
}	

if (max!=0) {
	DebugN(\"Warning! It's taking too long!\",max);
	return;
}


DebugN(\"Child process finished - we may do for instance a dpSet here...\");
}" 0
 E E E
0
LAYER, 1 
1
LANG:1 6 Layer2
0
LAYER, 2 
1
LANG:1 6 Layer3
0
LAYER, 3 
1
LANG:1 6 Layer4
0
LAYER, 4 
1
LANG:1 6 Layer5
0
LAYER, 5 
1
LANG:1 6 Layer6
0
LAYER, 6 
1
LANG:1 6 Layer7
0
LAYER, 7 
1
LANG:1 6 Layer8
0
0