diff options
| -rw-r--r-- | include/unistd.h | 1 | ||||
| -rw-r--r-- | src/linux/copy_file_range.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h index 9485da7a..b9b23a16 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -188,6 +188,7 @@ char *get_current_dir_name(void); int syncfs(int); int euidaccess(const char *, int); int eaccess(const char *, int); +ssize_t copy_file_range(int, off_t *, int, off_t *, size_t, unsigned); #endif #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE) diff --git a/src/linux/copy_file_range.c b/src/linux/copy_file_range.c new file mode 100644 index 00000000..dd4b1333 --- /dev/null +++ b/src/linux/copy_file_range.c @@ -0,0 +1,8 @@ +#define _GNU_SOURCE +#include <unistd.h> +#include "syscall.h" + +ssize_t copy_file_range(int fd_in, off_t *off_in, int fd_out, off_t *off_out, size_t len, unsigned flags) +{ + return syscall(SYS_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags); +} |