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* A flag `--keep-going / -k' to keep building goals if one fails, as

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much as possible.  (This is similar to GNU Make's `-k' flag.)

* Refactoring to implement this: previously we just bombed out when
  a build failed, but now we have to clean up.  In particular this
  means that goals must be freed quickly --- they shouldn't hang
  around until the worker exits.  So the worker now maintains weak
  pointers in order not to prevent garbage collection.

* Documented the `-k' and `-j' flags.
This commit is contained in:
Eelco Dolstra 2004-06-25 15:36:09 +00:00
parent e4883211f9
commit b113edeab7
10 changed files with 209 additions and 144 deletions
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17
src/libutil/util.cc
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@ -492,20 +492,19 @@ void Pid::kill()
{
if (pid == -1) return;
printMsg(lvlError, format("killing child process %1%") % pid);
printMsg(lvlError, format("killing process %1%") % pid);
/* Send a KILL signal to the child. If it has its own process
group, send the signal to every process in the child process
group (which hopefully includes *all* its children). */
if (::kill(separatePG ? -pid : pid, SIGKILL) != 0)
printMsg(lvlError, format("killing process %1%") % pid);
else {
/* Wait until the child dies, disregarding the exit status. */
int status;
while (waitpid(pid, &status, 0) == -1)
if (errno != EINTR) printMsg(lvlError,
format("waiting for process %1%") % pid);
}
printMsg(lvlError, (SysError(format("killing process %1%") % pid).msg()));
/* Wait until the child dies, disregarding the exit status. */
int status;
while (waitpid(pid, &status, 0) == -1)
if (errno != EINTR) printMsg(lvlError,
(SysError(format("waiting for process %1%") % pid).msg()));
pid = -1;
}