From e45c4617e496b49f8d7225546a751022f246a2f3 Mon Sep 17 00:00:00 2001 From: Michael Vogt Date: Thu, 31 Oct 2013 22:55:38 +0100 Subject: add new pid_t ExecFork(std::set KeepFDs) to get rid of the super ugly APT::Keep-Fds hack and also add a new PackageManagerProgressFd::StartDpkg() progress state --- apt-pkg/deb/dpkgpm.cc | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) (limited to 'apt-pkg/deb') diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index d1b11098c..26d79dbb1 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -416,17 +416,20 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) unsigned int InfoFD = _config->FindI(OptSec + "::InfoFD", STDIN_FILENO); // Create the pipes + std::set KeepFDs; int Pipes[2]; if (pipe(Pipes) != 0) return _error->Errno("pipe","Failed to create IPC pipe to subprocess"); if (InfoFD != (unsigned)Pipes[0]) SetCloseExec(Pipes[0],true); else - _config->Set("APT::Keep-Fds::", Pipes[0]); + KeepFDs.insert(Pipes[0]); + + SetCloseExec(Pipes[1],true); // Purified Fork for running the script - pid_t Process = ExecFork(); + pid_t Process = ExecFork(KeepFDs); if (Process == 0) { // Setup the FDs @@ -448,8 +451,6 @@ bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf) execv(Args[0],(char **)Args); _exit(100); } - if (InfoFD == (unsigned)Pipes[0]) - _config->Clear("APT::Keep-Fds", Pipes[0]); close(Pipes[0]); FILE *F = fdopen(Pipes[1],"w"); if (F == 0) @@ -1375,11 +1376,14 @@ bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress) // ignore SIGHUP as well (debian #463030) sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN); - pid_t Child = ExecFork(); - // This is the child + // now run dpkg + d->progress->StartDpkg(); + std::set KeepFDs; + KeepFDs.insert(fd[1]); + pid_t Child = ExecFork(KeepFDs); if (Child == 0) { - + // This is the child if(d->slave >= 0 && d->master >= 0) { setsid(); @@ -1425,9 +1429,6 @@ bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress) if (_config->FindB("DPkg::UseIoNice", false) == true) ionice(Child); - // clear the Keep-Fd again - _config->Clear("APT::Keep-Fds",fd[1]); - // Wait for dpkg int Status = 0; @@ -1471,13 +1472,14 @@ bool pkgDPkgPM::GoNoABIBreak(APT::Progress::PackageManager *progress) FD_SET(_dpkgin, &rfds); if(d->master >= 0) FD_SET(d->master, &rfds); - tv.tv_sec = 1; - tv.tv_nsec = 0; + tv.tv_sec = 0; + tv.tv_nsec = d->progress->GetPulseInterval(); select_ret = pselect(max(d->master, _dpkgin)+1, &rfds, NULL, NULL, &tv, &d->original_sigmask); if (select_ret < 0 && (errno == EINVAL || errno == ENOSYS)) select_ret = racy_pselect(max(d->master, _dpkgin)+1, &rfds, NULL, NULL, &tv, &d->original_sigmask); + d->progress->Pulse(); if (select_ret == 0) continue; else if (select_ret < 0 && errno == EINTR) -- cgit v1.2.3