diff options
Diffstat (limited to 'pk/syscall.c')
| -rw-r--r-- | pk/syscall.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/pk/syscall.c b/pk/syscall.c index 07fa41d..4978f3a 100644 --- a/pk/syscall.c +++ b/pk/syscall.c @@ -181,6 +181,21 @@ int sys_dup(int fd) return r; } +int sys_dup3(int fd, int newfd, int flags) +{ + kassert(flags == 0); + int r = -EBADF; + file_t* f = file_get(fd); + + if (f) + { + r = file_dup3(f, newfd); + file_decref(f); + } + + return r; +} + ssize_t sys_lseek(int fd, size_t ptr, int dir) { ssize_t r = -EBADF; @@ -462,6 +477,7 @@ long do_syscall(long a0, long a1, long a2, long a3, long a4, long a5, unsigned l [SYS_ftruncate] = sys_ftruncate, [SYS_getdents] = sys_getdents, [SYS_dup] = sys_dup, + [SYS_dup3] = sys_dup3, [SYS_readlinkat] = sys_stub_nosys, [SYS_rt_sigprocmask] = sys_stub_success, [SYS_ioctl] = sys_stub_nosys, |