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fix bug which caused Runtime.exec to block until process exits

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This commit is contained in:
Joel Dice 2010-11-09 12:38:23 -07:00
parent ababc5748d
commit 2d60398e63
1 changed files with 14 additions and 12 deletions
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26
classpath/java/lang/Runtime.java
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@ -65,24 +65,26 @@ public class Runtime {
exec(command, info); exec(command, info);
process[0] = new MyProcess process[0] = new MyProcess
(info[0], (int) info[1], (int) info[2], (int) info[3]); (info[0], (int) info[1], (int) info[2], (int) info[3]);
MyProcess p = process[0];
synchronized (p) {
try {
if (p.pid != 0) {
p.exitCode = Runtime.waitFor(p.pid);
p.pid = 0;
}
} finally {
p.notifyAll();
}
}
} catch (Throwable e) { } catch (Throwable e) {
exception[0] = e; exception[0] = e;
} finally { } finally {
process.notifyAll(); process.notifyAll();
} }
} }
MyProcess p = process[0];
if (p != null) {
synchronized (p) {
try {
if (p.pid != 0) {
p.exitCode = Runtime.waitFor(p.pid);
p.pid = 0;
}
} finally {
p.notifyAll();
}
}
}
} }
}; };
t.setDaemon(true); t.setDaemon(true);