add UIO_MAXIOV macro in sys/uio.h

[musl] / include / sys / uio.h

diff --git a/include/sys/uio.h b/include/sys/uio.h
index 11b6bd2..00f73a2 100644 (file)
--- a/include/sys/uio.h
+++ b/include/sys/uio.h
@@ -1,13 +1,48 @@
 #ifndef _SYS_UIO_H
 #define _SYS_UIO_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+
 #define __NEED_size_t
 #define __NEED_ssize_t
 #define __NEED_struct_iovec
 
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define __NEED_off_t
+#endif
+
+#ifdef _GNU_SOURCE
+#define __NEED_pid_t
+#endif
+
 #include <bits/alltypes.h>
 
+#define UIO_MAXIOV 1024
+
 ssize_t readv (int, const struct iovec *, int);
 ssize_t writev (int, const struct iovec *, int);
 
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+ssize_t preadv (int, const struct iovec *, int, off_t);
+ssize_t pwritev (int, const struct iovec *, int, off_t);
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
+#define preadv64 preadv
+#define pwritev64 pwritev
+#define off64_t off_t
+#endif
+#endif
+
+#ifdef _GNU_SOURCE
+ssize_t process_vm_writev(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
+ssize_t process_vm_readv(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif