diff options
| author | Arch Librarian <arch@canonical.com> | 2004-09-20 16:53:05 +0000 |
|---|---|---|
| committer | Arch Librarian <arch@canonical.com> | 2004-09-20 16:53:05 +0000 |
| commit | b0db36b1ac7a93c147888aa98f9431e8bcc7d36e (patch) | |
| tree | 0db564188095f9826ceb47156b1b4740a7fafb96 /apt-pkg/acquire-worker.cc | |
| parent | 78b558ca4dab74f113cec91362b055263baa8011 (diff) | |
Signal safety
Author: jgg
Date: 1999-03-16 00:43:55 GMT
Signal safety
Diffstat (limited to 'apt-pkg/acquire-worker.cc')
| -rw-r--r-- | apt-pkg/acquire-worker.cc | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc index 099a43e2e..4c204041a 100644 --- a/apt-pkg/acquire-worker.cc +++ b/apt-pkg/acquire-worker.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: acquire-worker.cc,v 1.19 1999/01/30 08:08:54 jgg Exp $ +// $Id: acquire-worker.cc,v 1.20 1999/03/16 00:43:55 jgg Exp $ /* ###################################################################### Acquire Worker @@ -24,9 +24,11 @@ #include <sys/stat.h> #include <unistd.h> +#include <fcntl.h> #include <signal.h> #include <wait.h> #include <stdio.h> +#include <errno.h> /*}}}*/ // Worker::Worker - Constructor for Queue startup /*{{{*/ @@ -130,6 +132,17 @@ bool pkgAcquire::Worker::Start() SetCloseExec(STDOUT_FILENO,false); SetCloseExec(STDIN_FILENO,false); SetCloseExec(STDERR_FILENO,false); + + signal(SIGPIPE,SIG_DFL); + signal(SIGQUIT,SIG_DFL); + signal(SIGINT,SIG_DFL); + signal(SIGWINCH,SIG_DFL); + signal(SIGCONT,SIG_DFL); + signal(SIGTSTP,SIG_DFL); + + // Close all of our FDs - just in case + for (int K = 3; K != 40; K++) + fcntl(K,F_SETFD,FD_CLOEXEC); const char *Args[2]; Args[0] = Method.c_str(); @@ -433,7 +446,13 @@ bool pkgAcquire::Worker::QueueItem(pkgAcquire::Queue::QItem *Item) /* */ bool pkgAcquire::Worker::OutFdReady() { - int Res = write(OutFd,OutQueue.begin(),OutQueue.length()); + int Res; + do + { + Res = write(OutFd,OutQueue.begin(),OutQueue.length()); + } + while (Res < 0 && errno == EINTR); + if (Res <= 0) return MethodFailure(); |