ext: avoid clobbering existing system functions

These defines may cause incompatibilities if Ruby or other
system headers decide to clobber these.  It's also confusing to
override existing, well-known-and-standardized functions.

1 files changed, 5 insertions, 2 deletions

diff --git a/ext/clogger_ext/blocking_helpers.h b/ext/clogger_ext/blocking_helpers.h
index c03c2f5..15634b8 100644
--- a/ext/clogger_ext/blocking_helpers.h
+++ b/ext/clogger_ext/blocking_helpers.h
@@ -54,6 +54,9 @@ static ssize_t my_write(int fd, const void *buf, size_t count)
 
         return r;
 }
-#  define stat(path,buf) my_stat((path),(buf))
-#  define write(fd,buf,count) my_write((fd),(buf),(count))
+#  define nogvl_stat(path,buf) my_stat((path),(buf))
+#  define nogvl_write(fd,buf,count) my_write((fd),(buf),(count))
+#else /* !WITHOUT_GVL, for Ruby 1.8 users: */
+#  define nogvl_stat(path,buf) stat((path),(buf))
+#  define nogvl_write(fd,buf,buf) write((fd),(buf),(count))
 #endif /* !WITHOUT_GVL */