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* Handle exceptions and stderr for all protocol functions.

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* SIGIO -> SIGPOLL (POSIX calls it that).
* Use sigaction instead of signal to register the SIGPOLL handler.
  Sigaction is better defined, and a handler registered with signal
  appears not to interrupt fcntl(..., F_SETLKW, ...), which is bad.
This commit is contained in:
Eelco Dolstra 2006-12-04 17:55:14 +00:00
parent 0130ef88ea
commit 40c3529909
2 changed files with 64 additions and 19 deletions
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10
src/libstore/remote-store.cc
View file

@ -147,6 +147,7 @@ bool RemoteStore::isValidPath(const Path & path)
{
writeInt(wopIsValidPath, to);
writeString(path, to);
processStderr();
unsigned int reply = readInt(from);
return reply != 0;
}
@ -162,6 +163,7 @@ bool RemoteStore::hasSubstitutes(const Path & path)
{
writeInt(wopHasSubstitutes, to);
writeString(path, to);
processStderr();
unsigned int reply = readInt(from);
return reply != 0;
}
@ -171,6 +173,7 @@ Hash RemoteStore::queryPathHash(const Path & path)
{
writeInt(wopQueryPathHash, to);
writeString(path, to);
processStderr();
string hash = readString(from);
return parseHash(htSHA256, hash);
}
@ -181,6 +184,7 @@ void RemoteStore::queryReferences(const Path & path,
{
writeInt(wopQueryReferences, to);
writeString(path, to);
processStderr();
PathSet references2 = readStringSet(from);
references.insert(references2.begin(), references2.end());
}
@ -191,6 +195,7 @@ void RemoteStore::queryReferrers(const Path & path,
{
writeInt(wopQueryReferrers, to);
writeString(path, to);
processStderr();
PathSet referrers2 = readStringSet(from);
referrers.insert(referrers2.begin(), referrers2.end());
}
@ -207,6 +212,7 @@ Path RemoteStore::addToStore(const Path & _srcPath, bool fixed,
writeInt(recursive ? 1 : 0, to);
writeString(hashAlgo, to);
dumpPath(srcPath, to);
processStderr();
Path path = readString(from);
return path;
}
@ -220,6 +226,7 @@ Path RemoteStore::addTextToStore(const string & suffix, const string & s,
writeString(s, to);
writeStringSet(references, to);
processStderr();
Path path = readString(from);
return path;
}
@ -238,6 +245,7 @@ void RemoteStore::ensurePath(const Path & path)
{
writeInt(wopEnsurePath, to);
writeString(path, to);
processStderr();
readInt(from);
}
@ -246,6 +254,7 @@ void RemoteStore::addTempRoot(const Path & path)
{
writeInt(wopAddTempRoot, to);
writeString(path, to);
processStderr();
readInt(from);
}
@ -253,6 +262,7 @@ void RemoteStore::addTempRoot(const Path & path)
void RemoteStore::syncWithGC()
{
writeInt(wopSyncWithGC, to);
processStderr();
readInt(from);
}