proxmox-mirrors/qemu
1
0
Fork 0
mirror of https://git.proxmox.com/git/qemu synced 2025-07-22 06:28:34 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

fcntl() remaining fix, by Stuart Anderson.

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2559 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-03-31 18:59:32 +00:00
parent e126cf13ee
commit 5813427b1d
1 changed files with 34 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
linux-user/syscall.c
View File

@ -1793,6 +1793,13 @@ static long do_fcntl(int fd, int cmd, target_ulong arg)
switch(cmd) { switch(cmd) {
case TARGET_F_GETLK: case TARGET_F_GETLK:
lock_user_struct(target_fl, arg, 1);
fl.l_type = tswap16(target_fl->l_type);
fl.l_whence = tswap16(target_fl->l_whence);
fl.l_start = tswapl(target_fl->l_start);
fl.l_len = tswapl(target_fl->l_len);
fl.l_pid = tswapl(target_fl->l_pid);
unlock_user_struct(target_fl, arg, 0);
ret = fcntl(fd, cmd, &fl); ret = fcntl(fd, cmd, &fl);
if (ret == 0) { if (ret == 0) {
lock_user_struct(target_fl, arg, 0); lock_user_struct(target_fl, arg, 0);
@ -1818,6 +1825,13 @@ static long do_fcntl(int fd, int cmd, target_ulong arg)
break; break;
case TARGET_F_GETLK64: case TARGET_F_GETLK64:
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); ret = fcntl(fd, cmd >> 1, &fl64);
if (ret == 0) { if (ret == 0) {
lock_user_struct(target_fl64, arg, 0); lock_user_struct(target_fl64, arg, 0);
@ -3896,6 +3910,26 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
switch(arg2) { switch(arg2) {
case TARGET_F_GETLK64: case TARGET_F_GETLK64:
#ifdef TARGET_ARM
if (((CPUARMState *)cpu_env)->eabi) {
lock_user_struct(target_efl, arg3, 1);
fl.l_type = tswap16(target_efl->l_type);
fl.l_whence = tswap16(target_efl->l_whence);
fl.l_start = tswap64(target_efl->l_start);
fl.l_len = tswap64(target_efl->l_len);
fl.l_pid = tswapl(target_efl->l_pid);
unlock_user_struct(target_efl, arg3, 0);
} else
#endif
{
lock_user_struct(target_fl, arg3, 1);
fl.l_type = tswap16(target_fl->l_type);
fl.l_whence = tswap16(target_fl->l_whence);
fl.l_start = tswap64(target_fl->l_start);
fl.l_len = tswap64(target_fl->l_len);
fl.l_pid = tswapl(target_fl->l_pid);
unlock_user_struct(target_fl, arg3, 0);
}
ret = get_errno(fcntl(arg1, cmd, &fl)); ret = get_errno(fcntl(arg1, cmd, &fl));
if (ret == 0) { if (ret == 0) {
#ifdef TARGET_ARM #ifdef TARGET_ARM