include/syscall.h: add cpp macros

Make the syscall header compatible with C++ compiler.

Signed-off-by: Daniel Dinca <dincadaniel97@gmail.com>
Reviewed-by: Gabriel Mocanu <gabi.mocanu98@gmail.com>
Approved-by: Alexander Jung <a.jung@lancs.ac.uk>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Pull-Request: #3

diff --git a/include/sys/syscall.h b/include/sys/syscall.h
index 3d3b17e72245312d7cde206984191cc5454c5df9..851e4b2dd1fccb05909461ddcaa4695d87c5d270 100644 (file)
--- a/include/sys/syscall.h
+++ b/include/sys/syscall.h
@@ -35,8 +35,16 @@
 
 #include <uk/config.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 long syscall(long num, ...);
 
+#ifdef __cplusplus
+}
+#endif
+
 #if CONFIG_LIBSYSCALL_SHIM
 /* Provide SYS_syscallname and __NR_syscallname variants */
 #include <uk/bits/syscall_nrs.h>