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nix-store --serve: Only monitor stdin during builds

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Other operations cannot hang indefinitely (except when we're reading
from stdin, in which case we'll notice a client disconnect). But
monitoring works badly during compressed imports, since there the
client can close the connection before we've sent an ack.

http://hydra.nixos.org/build/12711638
This commit is contained in:
Eelco Dolstra 2014-07-24 11:52:52 +02:00
parent a6ab3cf35f
commit d7a92ed4a9
1 changed files with 2 additions and 2 deletions
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4
src/nix-store/nix-store.cc
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@ -880,8 +880,6 @@ static void opServe(Strings opFlags, Strings opArgs)
FdSource in(STDIN_FILENO);
FdSink out(STDOUT_FILENO);
MonitorFdHup monitor(in.fd);
/* Exchange the greeting. */
unsigned int magic = readInt(in);
if (magic != SERVE_MAGIC_1) throw Error("protocol mismatch");
@ -1002,6 +1000,7 @@ static void opServe(Strings opFlags, Strings opArgs)
}
case cmdBuildPaths: {
/* Used by build-remote.pl. */
if (!writeAllowed) throw Error("building paths is not allowed");
PathSet paths = readStorePaths<PathSet>(in);
@ -1016,6 +1015,7 @@ static void opServe(Strings opFlags, Strings opArgs)
int res = 0;
try {
MonitorFdHup monitor(in.fd);
store->buildPaths(paths);
} catch (Error & e) {
printMsg(lvlError, format("error: %1%") % e.msg());