0003-picodata-add-support-for-static-stored-procedures-us.patch

From 99f29bd6d03d166af8fb29564cd2781f397861ae Mon Sep 17 00:00:00 2001
From: Georgy Moshkin <gmoshkin@picodata.io>
Date: Thu, 14 Jul 2022 17:51:03 +0300
Subject: [PATCH] picodata: add support for static stored procedures using
 ".foo" syntax

---
 src/box/module_cache.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/box/module_cache.c b/src/box/module_cache.c
index 76685ed86..eeaff73c2 100644
--- a/src/box/module_cache.c
+++ b/src/box/module_cache.c
@@ -374,9 +374,32 @@ error:
 	return NULL;
 }
 
+struct module *
+module_current_exe()
+{
+	struct module *m = cache_find(NULL, 0);
+	if (m != NULL)
+		return m;
+
+	size_t size = sizeof(struct module) + 1;
+	m = malloc(size);
+	if (m == NULL) {
+		diag_set(OutOfMemory, size, "malloc", "module");
+		return NULL;
+	}
+	memset(m, 0, size);
+	m->handle = dlopen(0, RTLD_NOW);
+	module_ref(m);
+	cache_put(m);
+	return m;
+}
+
 struct module *
 module_load_force(const char *package, size_t package_len)
 {
+	if (package_len == 0)
+		return module_current_exe();
+
 	char path[PATH_MAX];
 	size_t size = sizeof(path);
 
@@ -400,6 +423,9 @@ module_load_force(const char *package, size_t package_len)
 struct module *
 module_load(const char *package, size_t package_len)
 {
+	if (package_len == 0)
+		return module_current_exe();
+
 	char path[PATH_MAX];
 
 	if (find_package(package, package_len, path, sizeof(path)) != 0)
-- 
2.25.1