rpm/rpm-4.4.2.1-checkterminate-...

106 lines
3.4 KiB
Diff

changeset: 6179:fb37e4dccbf3
tag: tip
user: Panu Matilainen <pmatilai@redhat.com>
date: Sat Jul 21 15:05:19 2007 +0300
files: python/rpmmodule.c rpmdb/rpmdb.c rpmdb/rpmdb.h
description:
Make rpmdbCheckTerminate() non-terminating.
This allows use in exit handler without affecting exit code, and permits
caller to do its own cleanup if necessary.
diff -r e9ced408b17f -r fb37e4dccbf3 python/rpmmodule.c
--- a/python/rpmmodule.c Fri Jul 20 11:23:11 2007 +0300
+++ b/python/rpmmodule.c Sat Jul 21 15:05:19 2007 +0300
@@ -229,8 +229,6 @@ static PyMethodDef rpmModuleMethods[] =
/*
* Force clean up of open iterators and dbs on exit.
-* This ends up calling exit() while we're already exiting but exit
-* handlers will only get called once so it wont loop.
*/
static void rpm_exithook(void)
{
diff -r e9ced408b17f -r fb37e4dccbf3 rpmdb/rpmdb.c
--- a/rpmdb/rpmdb.c Fri Jul 20 11:23:11 2007 +0300
+++ b/rpmdb/rpmdb.c Sat Jul 21 15:05:19 2007 +0300
@@ -707,7 +707,7 @@ int rpmdbCheckTerminate(int terminate)
sigset_t newMask, oldMask;
static int terminating = 0;
- if (terminating) return 0;
+ if (terminating) return 1;
(void) sigfillset(&newMask); /* block all signals */
(void) sigprocmask(SIG_BLOCK, &newMask, &oldMask);
@@ -724,10 +724,6 @@ int rpmdbCheckTerminate(int terminate)
rpmdb db;
rpmdbMatchIterator mi;
-/*@-abstract@*/ /* sigset_t is abstract type */
- rpmMessage(RPMMESS_DEBUG, "Exiting on signal(0x%lx) ...\n", *((unsigned long *)&rpmsqCaught));
-/*@=abstract@*/
-
/*@-branchstate@*/
while ((mi = rpmmiRock) != NULL) {
/*@i@*/ rpmmiRock = mi->mi_next;
@@ -743,14 +739,20 @@ int rpmdbCheckTerminate(int terminate)
(void) rpmdbClose(db);
}
/*@=newreftrans@*/
+ }
+ sigprocmask(SIG_SETMASK, &oldMask, NULL);
+ return terminating;
+}
+
+int rpmdbCheckSignals(void)
+{
+ if (rpmdbCheckTerminate(0)) {
+/*@-abstract@*/ /* sigset_t is abstract type */
+ rpmMessage(RPMMESS_DEBUG, "Exiting on signal(0x%lx) ...\n", *((unsigned long *)&rpmsqCaught));
exit(EXIT_FAILURE);
- }
- return sigprocmask(SIG_SETMASK, &oldMask, NULL);
-}
-
-int rpmdbCheckSignals(void)
-{
- return rpmdbCheckTerminate(0);
+/*@=abstract@*/
+ }
+ return 0;
}
/**
diff -r e9ced408b17f -r fb37e4dccbf3 rpmdb/rpmdb.h
--- a/rpmdb/rpmdb.h Fri Jul 20 11:23:11 2007 +0300
+++ b/rpmdb/rpmdb.h Sat Jul 21 15:05:19 2007 +0300
@@ -1039,8 +1039,7 @@ Header rpmdbNextIterator(/*@null@*/ rpmd
/*@modifies mi, rpmGlobalMacroContext, fileSystem, internalState @*/;
/** \ingroup rpmdb
- * Check rpmdb signal handler for trapped signal exit. Just a compatibility
- * wrapper for rpmdbCheckTerminate()
+ * Check for and exit on termination signals.
*/
/*@mayexit@*/
int rpmdbCheckSignals(void)
@@ -1048,10 +1047,13 @@ int rpmdbCheckSignals(void)
/*@modifies fileSystem, internalState @*/;
/** \ingroup rpmdb
- * Check rpmdb signal handler for trapped signal or requested exit.
+ * Check rpmdb signal handler for trapped signal and/or requested exit,
+ * clean up any open iterators and databases on termination condition.
+ * On non-zero exit any open references to rpmdb are invalid and cannot
+ * be accessed anymore, calling process should terminate immediately.
* @param terminate 0 to only check for signals, 1 to terminate anyway
- */
-/*@mayexit@*/
+ * @return 0 to continue, 1 if termination cleanup was done.
+ */
int rpmdbCheckTerminate(int terminate);
/** \ingroup rpmdb