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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-01-05 20:55:49 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-01-05 20:55:49 +0000 |
| commit | 43f238d7b6f75244b8c47409896a9725655e52ab (patch) | |
| tree | f1d002199b30c7dc35da15aae336ff2f4ef99423 /linux-user/syscall.c | |
| parent | 4dbb0f5006c7a729e20199f08a9d338b11f61fef (diff) | |
| download | qemu-43f238d7b6f75244b8c47409896a9725655e52ab.tar.gz | |
Support fcntl F_GETLK64, F_SETLK64, F_SETLKW64, by Kirill A. Shutemov.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2298 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 1c31218186..21f559ebc6 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -1727,6 +1727,8 @@ static long do_fcntl(int fd, int cmd, target_ulong arg) { struct flock fl; struct target_flock *target_fl; + struct flock64 fl64; + struct target_flock64 *target_fl64; long ret; switch(cmd) { @@ -1756,10 +1758,27 @@ static long do_fcntl(int fd, int cmd, target_ulong arg) break; case TARGET_F_GETLK64: + ret = fcntl(fd, cmd >> 1, &fl64); + if (ret == 0) { + lock_user_struct(target_fl64, arg, 0); + target_fl64->l_type = tswap16(fl64.l_type) >> 1; + target_fl64->l_whence = tswap16(fl64.l_whence); + target_fl64->l_start = tswapl(fl64.l_start); + target_fl64->l_len = tswapl(fl64.l_len); + target_fl64->l_pid = tswapl(fl64.l_pid); + unlock_user_struct(target_fl64, arg, 1); + } + break; case TARGET_F_SETLK64: case TARGET_F_SETLKW64: - ret = -1; - errno = EINVAL; + lock_user_struct(target_fl64, arg, 1); + fl64.l_type = tswap16(target_fl64->l_type) >> 1; + fl64.l_whence = tswap16(target_fl64->l_whence); + fl64.l_start = tswapl(target_fl64->l_start); + fl64.l_len = tswapl(target_fl64->l_len); + fl64.l_pid = tswap16(target_fl64->l_pid); + unlock_user_struct(target_fl64, arg, 0); + ret = fcntl(fd, cmd >> 1, &fl64); break; case F_GETFL: |