musl - musl - an implementation of the standard library for Linux-based systems

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musl - an implementation of the standard library for Linux-based systems
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path: root/src/linux/pwritev2.c
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Diffstat (limited to 'src/linux/pwritev2.c')
-rw-r--r--src/linux/pwritev2.c 17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/linux/pwritev2.c b/src/linux/pwritev2.c
new file mode 100644
index 00000000..ece90d7c
--- /dev/null
+++ b/src/linux/pwritev2.c
@@ -0,0 +1,17 @@
+#define _GNU_SOURCE
+#include <sys/uio.h>
+#include <unistd.h>
+#include "syscall.h"
+
+ssize_t pwritev2(int fd, const struct iovec *iov, int count, off_t ofs, int flags)
+{
+#ifdef SYS_pwritev
+ if (!flags) {
+ if (ofs==-1) return writev(fd, iov, count);
+ return syscall_cp(SYS_pwritev, fd, iov, count,
+ (long)(ofs), (long)(ofs>>32));
+ }
+#endif
+ return syscall_cp(SYS_pwritev2, fd, iov, count,
+ (long)(ofs), (long)(ofs>>32), flags);
+}
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