diff options
| author | Arch Librarian <arch@canonical.com> | 2004-09-20 17:05:10 +0000 |
|---|---|---|
| committer | Arch Librarian <arch@canonical.com> | 2004-09-20 17:05:10 +0000 |
| commit | 7f9a6360fdfecf4f0e5a9cffb714ef83b323322f (patch) | |
| tree | 68fe6ef03c80434ca404c024438431aa6ba86772 /apt-pkg/deb | |
| parent | d20333af6b2091df46e78d3f0a34ae8a3e081584 (diff) | |
* Restore SIGINT/SIGQUIT handlers to their old values (...
Author: mdz
Date: 2004-01-27 02:25:01 GMT
* Restore SIGINT/SIGQUIT handlers to their old values (rather than
SIG_DFL) after invoking dpkg (Closes: #229854)
Diffstat (limited to 'apt-pkg/deb')
| -rw-r--r-- | apt-pkg/deb/dpkgpm.cc | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 1548a47d4..d80b23132 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: dpkgpm.cc,v 1.27 2003/07/26 00:25:44 mdz Exp $ +// $Id: dpkgpm.cc,v 1.28 2004/01/27 02:25:01 mdz Exp $ /* ###################################################################### DPKG Package Manager - Provide an interface to dpkg @@ -436,8 +436,8 @@ bool pkgDPkgPM::Go() it forks scripts. What happens is that when you hit ctrl-c it sends it to all processes in the group. Since dpkg ignores the signal it doesn't die but we do! So we must also ignore it */ - signal(SIGQUIT,SIG_IGN); - signal(SIGINT,SIG_IGN); + sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN); + sighandler_t old_SIGINT = signal(SIGINT,SIG_IGN); // Fork dpkg pid_t Child = ExecFork(); @@ -479,12 +479,16 @@ bool pkgDPkgPM::Go() if (errno == EINTR) continue; RunScripts("DPkg::Post-Invoke"); + + // Restore sig int/quit + signal(SIGQUIT,old_SIGQUIT); + signal(SIGINT,old_SIGINT); return _error->Errno("waitpid","Couldn't wait for subprocess"); } // Restore sig int/quit - signal(SIGQUIT,SIG_DFL); - signal(SIGINT,SIG_DFL); + signal(SIGQUIT,old_SIGQUIT); + signal(SIGINT,old_SIGINT); // Check for an error code. if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0) |