From 76424299f8dd69990a7812474803fac9ec52b0b2 Mon Sep 17 00:00:00 2001
From: Ben Fuhrmannek
Date: Sat, 14 Aug 2021 18:44:26 +0200
Subject: debug log to dup'd stderr / php is closing stderr during shutdown

---
 src/snuffleupagus.c | 11 +++++++++++
 src/sp_utils.h      |  9 +++++++++
 2 files changed, 20 insertions(+)

(limited to 'src')

diff --git a/src/snuffleupagus.c b/src/snuffleupagus.c
index 7bf3649..1ac04d0 100644
--- a/src/snuffleupagus.c
+++ b/src/snuffleupagus.c
@@ -13,6 +13,10 @@
 static PHP_INI_MH(OnUpdateConfiguration);
 static inline void sp_op_array_handler(zend_op_array *op);
 
+#ifdef SP_DEBUG_STDERR
+int sp_debug_stderr = STDERR_FILENO;
+#endif
+
 ZEND_EXTENSION();
 
 // LCOV_EXCL_START
@@ -70,6 +74,10 @@ ZEND_DLEXPORT zend_extension zend_extension_entry = {
     STANDARD_ZEND_EXTENSION_PROPERTIES};
 
 PHP_GINIT_FUNCTION(snuffleupagus) {
+#ifdef SP_DEBUG_STDERR
+  sp_debug_stderr = dup(STDERR_FILENO);
+#endif
+  sp_log_debug("(GINIT)");
   snuffleupagus_globals->is_config_valid = SP_CONFIG_NONE;
   snuffleupagus_globals->in_eval = 0;
 
@@ -116,6 +124,7 @@ PHP_GINIT_FUNCTION(snuffleupagus) {
 }
 
 PHP_MINIT_FUNCTION(snuffleupagus) {
+	sp_log_debug("(MINIT)");
   REGISTER_INI_ENTRIES();
 
   return SUCCESS;
@@ -244,6 +253,8 @@ PHP_MINFO_FUNCTION(snuffleupagus) {
 }
 
 static PHP_INI_MH(OnUpdateConfiguration) {
+	sp_log_debug("(OnUpdateConfiguration)");
+
   TSRMLS_FETCH();
 
   if (!new_value || !new_value->len) {
diff --git a/src/sp_utils.h b/src/sp_utils.h
index 081f786..b5a1691 100644
--- a/src/sp_utils.h
+++ b/src/sp_utils.h
@@ -51,9 +51,18 @@
   sp_log_msgf(feature, SP_LOG_ERROR, SP_TYPE_LOG, __VA_ARGS__)
 #define sp_log_warn(feature, ...) \
   sp_log_msgf(feature, SP_LOG_WARN, SP_TYPE_LOG, __VA_ARGS__)
+
 #ifdef SP_DEBUG
+
+#ifdef SP_DEBUG_STDERR
+extern int sp_debug_stderr;
+#define sp_log_debug(fmt, ...) \
+  dprintf(sp_debug_stderr, "[snuffleupagus][DEBUG] %s(): " fmt "\n", __FUNCTION__, ##__VA_ARGS__);
+#else
 #define sp_log_debug(...) \
   sp_log_msgf("DEBUG", SP_LOG_DEBUG, SP_TYPE_LOG, __VA_ARGS__)
+#endif 
+
 #else
 #define sp_log_debug(...)
 #endif
-- 
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