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h2o: backport backtrace detection

backport patch for backtrace detection in h2o.

This patch solves the issue of uclibc pretending to be glibc

Signed-off-by: James Taylor <james@jtaylor.id.au>
lilik-openwrt-22.03
James Taylor 5 years ago
parent
commit
b7cb0f6700
2 changed files with 75 additions and 1 deletions
  1. +1
    -1
      libs/h2o/Makefile
  2. +74
    -0
      libs/h2o/patches/400-backtrace-detection.patch

+ 1
- 1
libs/h2o/Makefile View File

@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=h2o
PKG_VERSION:=2.2.6
PKG_RELEASE:=2
PKG_RELEASE:=3
PKG_SOURCE_URL:=https://codeload.github.com/h2o/h2o/tar.gz/v${PKG_VERSION}?
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz


+ 74
- 0
libs/h2o/patches/400-backtrace-detection.patch View File

@ -0,0 +1,74 @@
From 03dbd6757d043581b5d250107b6f1cda6ae203a9 Mon Sep 17 00:00:00 2001
From: Frederik Deweerdt <fdeweerdt@fastly.com>
Date: Wed, 25 Oct 2017 13:52:28 -0700
Subject: [PATCH] Autodetect backtrace and backtrace_symbols_fd
---
CMakeLists.txt | 13 +++++++++++++
src/main.c | 10 ++++++----
2 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index abfab1f19..2a26fb98a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,6 +58,19 @@ __sync_add_and_fetch(&a, 1);
return 0;
}" ARCH_SUPPORTS_64BIT_ATOMICS)
+CHECK_C_SOURCE_COMPILES("
+#include <execinfo.h>
+int main(void) {
+void *p[10];
+int ret = backtrace(p, 10);
+backtrace_symbols_fd(p, ret, 2);
+return 0;
+}" LIBC_HAS_BACKTRACE)
+
+IF (LIBC_HAS_BACKTRACE)
+ ADD_DEFINITIONS("-DLIBC_HAS_BACKTRACE")
+ENDIF ()
+
SET(WITH_BUNDLED_SSL_DEFAULT "ON")
IF ((NOT UNIX) OR CYGWIN)
SET(WITH_BUNDLED_SSL_DEFAULT "OFF")
diff --git a/src/main.c b/src/main.c
index 7c346af18..edc7d5eb3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -48,7 +48,7 @@
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
-#ifdef __GLIBC__
+#ifdef LIBC_HAS_BACKTRACE
#include <execinfo.h>
#endif
#if H2O_USE_PICOTLS
@@ -1435,7 +1435,8 @@ static void on_sigterm(int signo)
notify_all_threads();
}
-#ifdef __GLIBC__
+#ifdef LIBC_HAS_BACKTRACE
+
static int popen_crash_handler(void)
{
char *cmd_fullpath = h2o_configurator_get_cmd_path(conf.crash_handler), *argv[] = {cmd_fullpath, NULL};
@@ -1487,13 +1488,14 @@ static void on_sigfatal(int signo)
raise(signo);
}
-#endif
+
+#endif /* LIBC_HAS_BACKTRACE */
static void setup_signal_handlers(void)
{
h2o_set_signal_handler(SIGTERM, on_sigterm);
h2o_set_signal_handler(SIGPIPE, SIG_IGN);
-#ifdef __GLIBC__
+#ifdef LIBC_HAS_BACKTRACE
if ((crash_handler_fd = popen_crash_handler()) == -1)
crash_handler_fd = 2;
h2o_set_signal_handler(SIGABRT, on_sigfatal);

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