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-rw-r--r--apt-pkg/deb/dpkgpm.cc36
1 files changed, 28 insertions, 8 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index c46a81209..63c5a6380 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -163,6 +163,25 @@ pkgCache::VerIterator FindNowVersion(const pkgCache::PkgIterator &Pkg)
return Ver;
}
/*}}}*/
+ssize_t retry_write(int fd, const void *buf, size_t count)
+{
+ int Res;
+ ssize_t i = 0;
+ errno = 0;
+ do
+ {
+ Res = write(fd, buf, count);
+ if (Res < 0 && errno == EINTR)
+ continue;
+ if (Res < 0)
+ break;
+ buf = (char *)buf + Res;
+ count -= Res;
+ i += Res;
+ }
+ while (Res > 0 && count > 0);
+ return i;
+}
// DPkgPM::pkgDPkgPM - Constructor /*{{{*/
// ---------------------------------------------------------------------
@@ -425,7 +444,7 @@ void pkgDPkgPM::DoStdin(int master)
unsigned char input_buf[256] = {0,};
ssize_t len = read(0, input_buf, sizeof(input_buf));
if (len)
- write(master, input_buf, len);
+ retry_write(master, input_buf, len);
else
d->stdin_is_dev_null = true;
}
@@ -451,7 +470,7 @@ void pkgDPkgPM::DoTerminalPty(int master)
}
if(len <= 0)
return;
- write(1, term_buf, len);
+ retry_write(1, term_buf, len);
if(d->term_out)
fwrite(term_buf, len, sizeof(char), d->term_out);
}
@@ -526,7 +545,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
<< ":" << s
<< endl;
if(OutStatusFd > 0)
- write(OutStatusFd, status.str().c_str(), status.str().size());
+ retry_write(OutStatusFd, status.str().c_str(), status.str().size());
if (Debug == true)
std::clog << "send: '" << status.str() << "'" << endl;
@@ -550,7 +569,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
<< ":" << list[3]
<< endl;
if(OutStatusFd > 0)
- write(OutStatusFd, status.str().c_str(), status.str().size());
+ retry_write(OutStatusFd, status.str().c_str(), status.str().size());
if (Debug == true)
std::clog << "send: '" << status.str() << "'" << endl;
pkgFailures++;
@@ -564,7 +583,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
<< ":" << list[3]
<< endl;
if(OutStatusFd > 0)
- write(OutStatusFd, status.str().c_str(), status.str().size());
+ retry_write(OutStatusFd, status.str().c_str(), status.str().size());
if (Debug == true)
std::clog << "send: '" << status.str() << "'" << endl;
return;
@@ -592,7 +611,7 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
<< ":" << s
<< endl;
if(OutStatusFd > 0)
- write(OutStatusFd, status.str().c_str(), status.str().size());
+ retry_write(OutStatusFd, status.str().c_str(), status.str().size());
if (Debug == true)
std::clog << "send: '" << status.str() << "'" << endl;
}
@@ -1055,7 +1074,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
}
int fd[2];
- pipe(fd);
+ if (pipe(fd) != 0)
+ return _error->Errno("pipe","Failed to create IPC pipe to dpkg");
#define ADDARG(X) Args.push_back(X); Size += strlen(X)
#define ADDARGC(X) Args.push_back(X); Size += sizeof(X) - 1
@@ -1236,7 +1256,7 @@ bool pkgDPkgPM::Go(int OutStatusFd)
<< (PackagesDone/float(PackagesTotal)*100.0)
<< ":" << _("Running dpkg")
<< endl;
- write(OutStatusFd, status.str().c_str(), status.str().size());
+ retry_write(OutStatusFd, status.str().c_str(), status.str().size());
}
Child = ExecFork();