utils.h: Set lower bound for thread stack size to PTHREAD_STACK_MIN

ASTERISK-28590 #close

Change-Id: I51abce00c04d0a06550bda5205580705185b9c1c

diff --git a/include/asterisk/utils.h b/include/asterisk/utils.h
index bcd73aace57cca1227a754c69ff412550834d2a6..2e652c35ee832e6f07795c276a8a2f8fa8dd3e28 100644 (file)
--- a/include/asterisk/utils.h
+++ b/include/asterisk/utils.h
@@ -423,10 +423,16 @@ int ast_careful_fwrite(FILE *f, int fd, const char *s, size_t len, int timeoutms
  * Thread management support (should be moved to lock.h or a different header)
  */
 
-#define AST_STACKSIZE (((sizeof(void *) * 8 * 8) - 16) * 1024)
+#if defined(PTHREAD_STACK_MIN)
+# define AST_THREAD_STACK_MIN PTHREAD_STACK_MIN
+#else
+# define AST_THREAD_STACK_MIN 0
+#endif
+
+#define AST_STACKSIZE MAX((((sizeof(void *) * 8 * 8) - 16) * 1024), AST_THREAD_STACK_MIN)
 
 #if defined(LOW_MEMORY)
-#define AST_BACKGROUND_STACKSIZE (((sizeof(void *) * 8 * 2) - 16) * 1024)
+#define AST_BACKGROUND_STACKSIZE MAX((((sizeof(void *) * 8 * 2) - 16) * 1024), AST_THREAD_STACK_MIN)
 #else
 #define AST_BACKGROUND_STACKSIZE AST_STACKSIZE
 #endif