support TSMRLS ZTS build for backtrace and logging extensions

src/ext/backtrace.c

@@ -12,28 +12,40 @@
 
 ZEND_EXTERN_MODULE_GLOBALS(ddtrace);
 
+// #define TSRMLS_FETCH()			void ***tsrm_ls = (void ***) ts_resource_ex(0, NULL)
+// #define TSRMLS_FETCH_FROM_CTX(ctx)	void ***tsrm_ls = (void ***) ctx
+// #define TSRMLS_SET_CTX(ctx)		ctx = (void ***) tsrm_ls
+// #define TSRMG(id, type, element)	(((type) (*((void ***) tsrm_ls))[TSRM_UNSHUFFLE_RSRC_ID(id)])->element)
+// #define TSRMLS_D	void ***tsrm_ls
+// #define TSRMLS_DC	, TSRMLS_D
+// #define TSRMLS_CC	tsrm_ls
+// #define TSRMLS_CC	, TSRMLS_C
+
 void ddtrace_backtrace_handler(int sig) {
-    ddtrace_log_err("Datadog PHP Trace extension (DEBUG MODE)");
-    ddtrace_log_errf("Received Signal %d", sig);
+    TSRMLS_FETCH();
+
+    ddtrace_log_err("Datadog PHP Trace extension (DEBUG MODE)" TSRMLS_CC);
+    ddtrace_log_errf("Received Signal %d" TSRMLS_CC, sig);
     void *array[MAX_STACK_SIZE];
     size_t size = backtrace(array, MAX_STACK_SIZE);
 
-    ddtrace_log_err("Note: Backtrace below might be incomplete and have wrong entries due to optimized runtime");
-    ddtrace_log_err("Backtrace:");
+    ddtrace_log_err(
+        "Note: Backtrace below might be incomplete and have wrong entries due to optimized runtime" TSRMLS_CC);
+    ddtrace_log_err("Backtrace:" TSRMLS_CC);
 
     char **backtraces = backtrace_symbols(array, size);
     if (backtraces) {
         size_t i;
         for (i = 0; i < size; i++) {
-            ddtrace_log_err(backtraces[i]);
+            ddtrace_log_err(backtraces[i] TSRMLS_CC);
         }
         free(backtraces);
     }
 
     exit(sig);
 }
 
-void ddtrace_install_backtrace_handler() {
+void ddtrace_install_backtrace_handler(TSRMLS_D) {
     if (!ddtrace_get_bool_config("DD_LOG_BACKTRACE", DDTRACE_G(log_backtrace))) {
         return;
     }

src/ext/backtrace.h

@@ -2,6 +2,6 @@
 #define DD_BACKTRACE_H
 #define MAX_STACK_SIZE 1024
 void ddtrace_backtrace_handler(int sig);
-void ddtrace_install_backtrace_handler();
+void ddtrace_install_backtrace_handler(TSRMLS_D);
 
 #endif  // DD_BACKTRACE_H

src/ext/ddtrace.c

@@ -70,7 +70,7 @@ static PHP_MINIT_FUNCTION(ddtrace) {
     if (DDTRACE_G(disable)) {
         return SUCCESS;
     }
-    ddtrace_install_backtrace_handler();
+    ddtrace_install_backtrace_handler(TSRMLS_C);
 
     ddtrace_dispatch_init(TSRMLS_C);
     ddtrace_dispatch_inject(TSRMLS_C);

src/ext/env_config.c

@@ -3,11 +3,12 @@
 #define EQUALS(stra, strb) (memcmp(stra, strb, sizeof(strb) - 1) == 0)
 
 char *get_local_env_or_sapi_env(char *name) {
+    TSRMLS_FETCH();
     char *env = NULL, *tmp = getenv(name);
     if (tmp) {
         env = estrdup(tmp);
     } else {
-        env = sapi_getenv(name, strlen(name));
+        env = sapi_getenv(name, strlen(name) TSRMLS_CC);
     }
 
     return env;

src/ext/logging.c

@@ -1,14 +1,13 @@
 #include "logging.h"
 #include <php.h>
 
-void ddtrace_log_errf(const char *format, ...) {
+void ddtrace_log_errf(const char *format TSRMLS_DC, ...) {
     va_list args;
     char *buffer;
-    size_t size;
 
     va_start(args, format);
-    size = vspprintf(&buffer, 0, format, args);
-    ddtrace_log_err(buffer);
+    vspprintf(&buffer, 0, format, args);
+    ddtrace_log_err(buffer TSRMLS_CC);
 
     efree(buffer);
     va_end(args);

src/ext/logging.h

@@ -1,7 +1,9 @@
 #ifndef DD_LOGGING_H
 #define DD_LOGGING_H
+#include <php.h>
 
-#define ddtrace_log_err(message) php_log_err(message)
-void ddtrace_log_errf(const char *format, ...);
+inline void ddtrace_log_err(char *message TSRMLS_DC) { php_log_err(message TSRMLS_CC); }
+
+void ddtrace_log_errf(const char *format TSRMLS_DC, ...);
 
 #endif  // DD_LOGGING_H