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* Don't count on the Pid deconstructor to kill the child process,

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since if we're running a build user in non-root mode, we can't.  Let
  the setuid helper do it.
This commit is contained in:
Eelco Dolstra 2006-12-07 17:52:58 +00:00
parent a82d80ddeb
commit c3286ec020
1 changed files with 14 additions and 2 deletions
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16
src/libstore/build.cc
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@ -653,12 +653,24 @@ DerivationGoal::DerivationGoal(const Path & drvPath, Worker & worker)
DerivationGoal::~DerivationGoal() DerivationGoal::~DerivationGoal()
{ {
if (pid != -1) worker.childTerminated(pid);
/* Careful: we should never ever throw an exception from a /* Careful: we should never ever throw an exception from a
destructor. */ destructor. */
try { try {
if (pid != -1) {
worker.childTerminated(pid);
if (buildUser.enabled()) {
/* Can't let pid's destructor do it, since it may not
have the appropriate privilege (i.e., the setuid
helper should do it). */
buildUser.kill();
pid.wait(true);
assert(pid == -1);
}
}
deleteTmpDir(false); deleteTmpDir(false);
} catch (Error & e) { } catch (Error & e) {
printMsg(lvlError, format("error (ignored): %1%") % e.msg()); printMsg(lvlError, format("error (ignored): %1%") % e.msg());
} }