support kernels with no SYS_open syscall, only SYS_openat

[oweals/musl.git] / src / internal / syscall.h

diff --git a/src/internal/syscall.h b/src/internal/syscall.h
index 914b0d184d0825aa238643fb5aac9b2f1680ded8..9dd9299503129305a684bae50179d8df598c6c64 100644 (file)
--- a/src/internal/syscall.h
+++ b/src/internal/syscall.h
@@ -187,3 +187,21 @@ long __syscall_ret(unsigned long), __syscall(syscall_arg_t, ...),
 #define __SC_accept4     18
 #define __SC_recvmmsg    19
 #define __SC_sendmmsg    20
+
+#ifdef SYS_open
+#define __sys_open2(x,pn,fl) __syscall2(SYS_open, pn, (fl)|O_LARGEFILE)
+#define __sys_open3(x,pn,fl,mo) __syscall3(SYS_open, pn, (fl)|O_LARGEFILE, mo)
+#define __sys_open_cp2(x,pn,fl) __syscall_cp2(SYS_open, pn, (fl)|O_LARGEFILE)
+#define __sys_open_cp3(x,pn,fl,mo) __syscall_cp3(SYS_open, pn, (fl)|O_LARGEFILE, mo)
+#else
+#define __sys_open2(x,pn,fl) __syscall2(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE)
+#define __sys_open3(x,pn,fl,mo) __syscall3(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE, mo)
+#define __sys_open_cp2(x,pn,fl) __syscall_cp2(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE)
+#define __sys_open_cp3(x,pn,fl,mo) __syscall_cp3(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE, mo)
+#endif
+
+#define __sys_open(...) __SYSCALL_DISP(__sys_open,,__VA_ARGS__)
+#define sys_open(...) __syscall_ret(__sys_open(__VA_ARGS__))
+
+#define __sys_open_cp(...) __SYSCALL_DISP(__sys_open_cp,,__VA_ARGS__)
+#define sys_open_cp(...) __syscall_ret(__sys_open_cp(__VA_ARGS__))