X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=libserialport_internal.h;fp=libserialport_internal.h;h=d784472bb12d0c218413d645ff38e3dec8588da3;hb=fa106ef155a8b18e1dc87ccc6d4cf102068fe114;hp=dd69733e9f38a0b3b76764d61890fd7dec3c513f;hpb=bd0fb6094f3b3cf7368bb17b09e30dd3408f9eae;p=libserialport.git

diff --git a/libserialport_internal.h b/libserialport_internal.h
index dd69733..d784472 100644
--- a/libserialport_internal.h
+++ b/libserialport_internal.h
@@ -85,6 +85,16 @@
 #define TIOCOUTQ FIONWRITE
 #endif
 
+/*
+ * O_CLOEXEC is not available everywhere, fallback to not setting the
+ * flag on those systems.
+ */
+#ifndef _WIN32
+#ifndef O_CLOEXEC
+#define O_CLOEXEC 0
+#endif
+#endif
+
 /* Non-standard baudrates are not available everywhere. */
 #if (defined(HAVE_TERMIOS_SPEED) || defined(HAVE_TERMIOS2_SPEED)) && HAVE_DECL_BOTHER
 #define USE_TERMIOS_SPEED