diff options
Diffstat (limited to 'sysdeps/mach/hurd')
| -rw-r--r-- | sysdeps/mach/hurd/fcntl.c | 111 |
1 files changed, 87 insertions, 24 deletions
diff --git a/sysdeps/mach/hurd/fcntl.c b/sysdeps/mach/hurd/fcntl.c index 26243682ca..0e3f0adbd9 100644 --- a/sysdeps/mach/hurd/fcntl.c +++ b/sysdeps/mach/hurd/fcntl.c @@ -130,23 +130,75 @@ __libc_fcntl (int fd, int cmd, ...) case F_SETLKW: { struct flock *fl = va_arg (ap, struct flock *); - int wait = 0; - va_end (ap); + switch (cmd) { case F_GETLK: - errno = ENOSYS; - return -1; - case F_SETLKW: - wait = 1; - /* FALLTHROUGH */ + cmd = F_GETLK64; + break; case F_SETLK: - return __f_setlk (fd, fl->l_type, fl->l_whence, - fl->l_start, fl->l_len, wait); + cmd = F_SETLK64; + break; + case F_SETLKW: + cmd = F_SETLKW64; + break; default: errno = EINVAL; return -1; } + + struct flock64 fl64 = { + .l_type = fl->l_type, + .l_whence = fl->l_whence, + .l_start = fl->l_start, + .l_len = fl->l_len, + .l_pid = fl->l_pid + }; + + err = HURD_FD_PORT_USE (d, __file_record_lock (port, cmd, &fl64, + MACH_PORT_NULL, MACH_MSG_TYPE_MAKE_SEND)); + + /* XXX: To remove once file_record_lock RPC is settled. */ + if (err == EMIG_BAD_ID || err == EOPNOTSUPP) + { + int wait = 0; + va_end (ap); + switch (cmd) + { + case F_GETLK64: + errno = ENOSYS; + return -1; + case F_SETLKW64: + wait = 1; + /* FALLTHROUGH */ + case F_SETLK64: + return __f_setlk (fd, fl->l_type, fl->l_whence, + fl->l_start, fl->l_len, wait); + default: + errno = EINVAL; + return -1; + } + } + else if (cmd == F_GETLK64) + { + fl->l_type = fl64.l_type; + fl->l_whence = fl64.l_whence; + fl->l_start = fl64.l_start; + fl->l_len = fl64.l_len; + fl->l_pid = fl64.l_pid; + + if ((sizeof fl->l_start != sizeof fl64.l_start + && fl->l_start != fl64.l_start) + || (sizeof fl->l_len != sizeof fl64.l_len + && fl->l_len != fl64.l_len)) + { + errno = EOVERFLOW; + return -1; + } + } + + result = err ? __hurd_dfail (fd, err) : 0; + break; } case F_GETLK64: @@ -154,23 +206,34 @@ __libc_fcntl (int fd, int cmd, ...) case F_SETLKW64: { struct flock64 *fl = va_arg (ap, struct flock64 *); - int wait = 0; - va_end (ap); - switch (cmd) + + err = HURD_FD_PORT_USE (d, __file_record_lock (port, cmd, fl, + MACH_PORT_NULL, MACH_MSG_TYPE_MAKE_SEND)); + + /* XXX: To remove once file_record_lock RPC is settled. */ + if (err == EMIG_BAD_ID || err == EOPNOTSUPP) { - case F_GETLK64: - errno = ENOSYS; - return -1; - case F_SETLKW64: - wait = 1; - /* FALLTHROUGH */ - case F_SETLK64: - return __f_setlk (fd, fl->l_type, fl->l_whence, - fl->l_start, fl->l_len, wait); - default: - errno = EINVAL; - return -1; + int wait = 0; + va_end (ap); + switch (cmd) + { + case F_GETLK64: + errno = ENOSYS; + return -1; + case F_SETLKW64: + wait = 1; + /* FALLTHROUGH */ + case F_SETLK64: + return __f_setlk (fd, fl->l_type, fl->l_whence, + fl->l_start, fl->l_len, wait); + default: + errno = EINVAL; + return -1; + } } + + result = err ? __hurd_dfail (fd, err) : 0; + break; } case F_GETFL: /* Get per-open flags. */ |