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authorMichael Vogt <michael.vogt@ubuntu.com>2008-02-04 12:29:57 +0100
committerMichael Vogt <michael.vogt@ubuntu.com>2008-02-04 12:29:57 +0100
commit453a5e964ef7404909132a4c5e9e734026fc93a3 (patch)
treec3a8e3abcf83aa5abd67527a8d0cea9619e35e4d /apt-pkg/contrib/fileutl.cc
parent76b8e5a572455fd7360d346a6c70428b1cb5de43 (diff)
parente06c72cd8d39433b04883f35dea81619b8464b0e (diff)
merged from apt--mvo
Diffstat (limited to 'apt-pkg/contrib/fileutl.cc')
-rw-r--r--apt-pkg/contrib/fileutl.cc67
1 files changed, 66 insertions, 1 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 9e13b4f60..2b7e25080 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -8,9 +8,12 @@
CopyFile - Buffered copy of a single file
GetLock - dpkg compatible lock file manipulation (fcntl)
- This source is placed in the Public Domain, do with it what you will
+ Most of this source is placed in the Public Domain, do with it what
+ you will
It was originally written by Jason Gunthorpe <jgg@debian.org>.
+ The exception is RunScripts() it is under the GPLv2
+
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
@@ -38,6 +41,68 @@
using namespace std;
+// RunScripts - Run a set of scripts from a configuration subtree /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool RunScripts(const char *Cnf)
+{
+ Configuration::Item const *Opts = _config->Tree(Cnf);
+ if (Opts == 0 || Opts->Child == 0)
+ return true;
+ Opts = Opts->Child;
+
+ // Fork for running the system calls
+ pid_t Child = ExecFork();
+
+ // This is the child
+ if (Child == 0)
+ {
+ if (chdir("/tmp/") != 0)
+ _exit(100);
+
+ unsigned int Count = 1;
+ for (; Opts != 0; Opts = Opts->Next, Count++)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+
+ if (system(Opts->Value.c_str()) != 0)
+ _exit(100+Count);
+ }
+ _exit(0);
+ }
+
+ // Wait for the child
+ int Status = 0;
+ while (waitpid(Child,&Status,0) != Child)
+ {
+ if (errno == EINTR)
+ continue;
+ return _error->Errno("waitpid","Couldn't wait for subprocess");
+ }
+
+ // Restore sig int/quit
+ signal(SIGQUIT,SIG_DFL);
+ signal(SIGINT,SIG_DFL);
+
+ // Check for an error code.
+ if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
+ {
+ unsigned int Count = WEXITSTATUS(Status);
+ if (Count > 100)
+ {
+ Count -= 100;
+ for (; Opts != 0 && Count != 1; Opts = Opts->Next, Count--);
+ _error->Error("Problem executing scripts %s '%s'",Cnf,Opts->Value.c_str());
+ }
+
+ return _error->Error("Sub-process returned an error code");
+ }
+
+ return true;
+}
+ /*}}}*/
+
// CopyFile - Buffered copy of a file /*{{{*/
// ---------------------------------------------------------------------
/* The caller is expected to set things so that failure causes erasure */