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-rw-r--r--include/sys/uio.h9
-rw-r--r--src/unistd/preadv.c13
-rw-r--r--src/unistd/pwritev.c13
3 files changed, 35 insertions, 0 deletions
diff --git a/include/sys/uio.h b/include/sys/uio.h
index 624ff422..60c5c2fe 100644
--- a/include/sys/uio.h
+++ b/include/sys/uio.h
@@ -11,6 +11,10 @@ extern "C" {
#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
@@ -20,6 +24,11 @@ extern "C" {
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);
+#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);
diff --git a/src/unistd/preadv.c b/src/unistd/preadv.c
new file mode 100644
index 00000000..371e46f8
--- /dev/null
+++ b/src/unistd/preadv.c
@@ -0,0 +1,13 @@
+#define _GNU_SOURCE
+#include <sys/uio.h>
+#include <unistd.h>
+#include "syscall.h"
+#include "libc.h"
+
+ssize_t preadv(int fd, const struct iovec *iov, int count, off_t ofs)
+{
+ return syscall_cp(SYS_preadv, fd, iov, count,
+ (long)(ofs), (long)(ofs>>32));
+}
+
+LFS64(preadv);
diff --git a/src/unistd/pwritev.c b/src/unistd/pwritev.c
new file mode 100644
index 00000000..1df268d5
--- /dev/null
+++ b/src/unistd/pwritev.c
@@ -0,0 +1,13 @@
+#define _GNU_SOURCE
+#include <sys/uio.h>
+#include <unistd.h>
+#include "syscall.h"
+#include "libc.h"
+
+ssize_t pwritev(int fd, const struct iovec *iov, int count, off_t ofs)
+{
+ return syscall_cp(SYS_pwritev, fd, iov, count,
+ (long)(ofs), (long)(ofs>>32));
+}
+
+LFS64(pwritev);