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-rw-r--r--apt-pkg/algorithms.cc42
1 files changed, 5 insertions, 37 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index e40f74122..82b1d608d 100644
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -743,51 +743,19 @@ bool pkgProblemResolver::Resolve(bool BrokenFix)
if (solver != "internal")
{
- std::vector<std::string> const solverDirs = _config->FindVector("Dir::Bin::Solvers");
- std::string file;
- for (std::vector<std::string>::const_iterator dir = solverDirs.begin();
- dir != solverDirs.end(); ++dir) {
- file = flCombine(*dir, solver);
- if (RealFileExists(file.c_str()) == true)
- break;
- file.clear();
- }
-
- if (file.empty() == true)
- return _error->Error("Can't call external solver '%s' as it is not in a configured directory!", solver.c_str());
- int external[4] = {-1, -1, -1, -1};
- if (pipe(external) != 0 || pipe(external + 2) != 0)
- return _error->Errno("Resolve", "Can't create needed IPC pipes for EDSP");
- for (int i = 0; i < 4; ++i)
- SetCloseExec(external[i], true);
-
- pid_t Solver = ExecFork();
- if (Solver == 0)
- {
- dup2(external[0], STDIN_FILENO);
- dup2(external[3], STDOUT_FILENO);
- const char* calling[2] = { file.c_str(), 0 };
- execv(calling[0], (char**) calling);
- std::cerr << "Failed to execute solver '" << solver << "'!" << std::endl;
- _exit(100);
- }
- close(external[0]);
- close(external[3]);
-
- if (WaitFd(external[1], true, 5) == false)
- return _error->Errno("Resolve", "Waiting on availability of solver stdin timed out");
+ int solver_in, solver_out;
+ if (EDSP::ExecuteSolver(solver.c_str(), &solver_in, &solver_out) == false)
+ return false;
- FILE* output = fdopen(external[1], "w");
+ FILE* output = fdopen(solver_in, "w");
if (output == NULL)
return _error->Errno("Resolve", "fdopen on solver stdin failed");
EDSP::WriteRequest(Cache, output);
EDSP::WriteScenario(Cache, output);
fclose(output);
- if (EDSP::ReadResponse(external[2], Cache) == false)
+ if (EDSP::ReadResponse(solver_out, Cache) == false)
return _error->Error("Reading solver response failed");
-
- return ExecWait(Solver, solver.c_str(), false);
}
return ResolveInternal(BrokenFix);
}