Adding upstream version 1.20.13.upstream/1.20.13upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 129 insertions, 0 deletions

diff --git a/lib/dpkg/triglib.h b/lib/dpkg/triglib.h
new file mode 100644
index 0000000..b4c7725
--- /dev/null
+++ b/lib/dpkg/triglib.h
@@ -0,0 +1,129 @@
+/*
+ * libdpkg - Debian packaging suite library routines
+ * triglib.h - declarations for trigger handling
+ *
+ * Copyright © 2007 Canonical, Ltd.
+ *   written by Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2014 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBDPKG_TRIGLIB_H
+#define LIBDPKG_TRIGLIB_H
+
+#include <dpkg/macros.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/fsys.h>
+
+DPKG_BEGIN_DECLS
+
+/**
+ * @defgroup triglib Trigger handling
+ * @ingroup dpkg-internal
+ * @{
+ */
+
+/*
+ * Hooks for more sophisticated processing in dpkg proper.
+ *
+ * We do things like this so we can get most of the trigger tracking
+ * in dpkg-query, dselect, and so on, but avoid the transitional
+ * processing and deferred trigproc queue management other than when
+ * we're actually doing real package management work.
+ */
+
+const char *trig_name_is_illegal(const char *p);
+
+enum trig_options {
+	TRIG_AWAIT,
+	TRIG_NOAWAIT,
+};
+
+struct trigfileint {
+	struct pkginfo *pkg;
+	struct pkgbin *pkgbin;
+	struct fsys_namenode *fnn;
+	enum trig_options options;
+	struct trigfileint *samefile_next;
+	struct {
+		struct trigfileint *next, *prev;
+	} inoverall;
+};
+
+/**
+ * The first two hooks are normally NULL.
+ * If non-NULL, we're dpkg proper and we might need to invent trigger
+ * activations as the first run of a triggers-supporting dpkg.
+ */
+struct trig_hooks {
+	void (*enqueue_deferred)(struct pkginfo *pend);
+	void (*transitional_activate)(enum modstatdb_rw cstatus);
+
+	struct fsys_namenode *(*namenode_find)(const char *filename, bool nonew);
+	struct trigfileint **(*namenode_interested)(struct fsys_namenode *fnn);
+
+	/** Returns a pointer from nfmalloc. */
+	const char *(*namenode_name)(struct fsys_namenode *fnn);
+};
+
+#define TRIGHOOKS_DEFINE_NAMENODE_ACCESSORS				 \
+  static struct fsys_namenode *th_nn_find(const char *name, bool nonew)	 \
+    { return fsys_hash_find_node(name, nonew ? FHFF_NONE : 0); }		 \
+  static struct trigfileint **th_nn_interested(struct fsys_namenode *fnn) \
+    { return &fnn->trig_interested; }					 \
+  static const char *th_nn_name(struct fsys_namenode *fnn)		 \
+    { return fnn->name; }
+
+void trig_override_hooks(const struct trig_hooks *hooks);
+
+void trig_file_activate_byname(const char *trig, struct pkginfo *aw);
+void trig_file_activate(struct fsys_namenode *trig, struct pkginfo *aw);
+void trig_path_activate(struct fsys_namenode *trig, struct pkginfo *aw);
+
+bool trig_note_pend_core(struct pkginfo *pend, const char *trig /*not copied!*/);
+bool trig_note_pend(struct pkginfo *pend, const char *trig /*not copied!*/);
+bool trig_note_aw(struct pkginfo *pend, struct pkginfo *aw);
+void trig_clear_awaiters(struct pkginfo *notpend);
+
+typedef void trig_awaited_pend_foreach_func(struct pkginfo *pkg);
+
+void trig_awaited_pend_enqueue(struct pkginfo *pend);
+void trig_awaited_pend_foreach(trig_awaited_pend_foreach_func *func);
+void trig_awaited_pend_free(void);
+
+void trig_fixup_awaiters(enum modstatdb_rw cstatus);
+
+void trig_file_interests_ensure(void);
+void trig_file_interests_save(void);
+
+typedef void trig_parse_cicb(const char *trig, struct pkginfo *pkg,
+                             struct pkgbin *pkgbin, enum trig_options to);
+void trig_cicb_interest_delete(const char *trig, struct pkginfo *pkg,
+                             struct pkgbin *pkgbin, enum trig_options to);
+void trig_cicb_interest_add(const char *trig, struct pkginfo *pkg,
+                             struct pkgbin *pkgbin, enum trig_options to);
+void trig_cicb_statuschange_activate(const char *trig, struct pkginfo *pkg,
+                             struct pkgbin *pkgbin, enum trig_options to);
+void trig_parse_ci(const char *file, trig_parse_cicb *interest,
+                   trig_parse_cicb *activate, struct pkginfo *pkg,
+                   struct pkgbin *pkgbin);
+
+void trig_incorporate(enum modstatdb_rw cstatus);
+
+/** @} */
+
+DPKG_END_DECLS
+
+#endif /* LIBDPKG_TRIGLIB_H */