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Harald Welte gerrit-no-reply at lists.osmocom.org
Review at https://gerrit.osmocom.org/4565
Call osmo_init_logging() before static BTS constructor
The BTS constructor uses functions of libosmocore that could in turn
want to log something. This requires the logging to be initialized
before.
The only way to achieve this is to add an __attribute__((constructor))
function *before* the BTS constructor is being run.
This solution might not be elegant, but I guess it's the only way to
initialize a C library before calling C++ constructors of global static
instance of a class.
In case anyone comes up with a better / cleaner approach, we can always
change later.
This change requires libosmocore >= 0.10.1, as only that permits
multiple calls to osmo_init_logging() which may now occur.
Change-Id: I28dc4f0db229518348c92413959fed5ae85d753d
---
M configure.ac
M debian/control
M src/bts.cpp
3 files changed, 13 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/65/4565/1
diff --git a/configure.ac b/configure.ac
index 0a3557d..3533af9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,7 +36,7 @@
dnl Checks for typedefs, structures and compiler characteristics
dnl checks for libraries
-PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 0.3.9)
+PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 0.10.1)
PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty)
PKG_CHECK_MODULES(LIBOSMOGSM, libosmogsm >= 0.3.3)
PKG_CHECK_MODULES(LIBOSMOGB, libosmogb >= 0.5.1.4)
diff --git a/debian/control b/debian/control
index 69930e8..ea43016 100644
--- a/debian/control
+++ b/debian/control
@@ -2,7 +2,7 @@
Section: net
Priority: optional
Maintainer: Holger Hans Peter Freyther <holger at moiji-mobile.com>
-Build-Depends: debhelper (>= 7.0.0~), dh-autoreconf, dh-systemd (>= 1.5), autotools-dev, pkg-config, libosmocore-dev
+Build-Depends: debhelper (>= 7.0.0~), dh-autoreconf, dh-systemd (>= 1.5), autotools-dev, pkg-config, libosmocore-dev (>= 0.10.1)
Standards-Version: 3.8.4
Homepage: http://osmocom.org/projects/osmopcu
Vcs-Git: git://git.osmocom.org/osmo-pcu
diff --git a/src/bts.cpp b/src/bts.cpp
index b768569..e41b1fa 100644
--- a/src/bts.cpp
+++ b/src/bts.cpp
@@ -36,6 +36,7 @@
#include <osmocom/gsm/protocol/gsm_04_08.h>
#include <osmocom/gsm/gsm_utils.h>
#include <osmocom/core/gsmtap_util.h>
+ #include <osmocom/core/application.h>
}
#include <arpa/inet.h>
@@ -48,6 +49,16 @@
extern void *tall_pcu_ctx;
+extern "C" {
+ /* e must make sure to initialize logging before the BTS static
+ * constructors are executed below, as those call libosmocore APIs that
+ * require logging already to be initialized. */
+ __attribute__((constructor)) static void early_init(void)
+ {
+ osmo_init_logging(&gprs_log_info);
+ }
+}
+
static BTS s_bts;
/**
--
To view, visit https://gerrit.osmocom.org/4565
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I28dc4f0db229518348c92413959fed5ae85d753d
Gerrit-PatchSet: 1
Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-Owner: Harald Welte <laforge at gnumonks.org>