diff options
| author | Árni Dagur <arni@dagur.eu> | 2019-08-19 23:41:14 +0000 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2019-08-23 20:24:06 -0400 |
| commit | f76e183111bc4491ee575c3e2fcc793412acff4e (patch) | |
| tree | 310bfc7e3b28c5bdc886631a6a90a0cae9373f67 | |
| parent | 6ad514e4e278f0c3b18eb2db1d45638c9af1c07f (diff) | |
| download | musl-f76e183111bc4491ee575c3e2fcc793412acff4e.tar.gz musl-f76e183111bc4491ee575c3e2fcc793412acff4e.tar.xz musl-f76e183111bc4491ee575c3e2fcc793412acff4e.zip | |
add copy_file_range system call wrapper
| -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); +} |