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flock support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@101 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-04-29 20:39:06 +00:00
parent d34720fd7d
commit 77e4672d8d
1 changed files with 49 additions and 2 deletions
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51
linux-user/syscall.c
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@ -1414,16 +1414,42 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
ret = do_ioctl(arg1, arg2, arg3);
break;
case TARGET_NR_fcntl:
{
struct flock fl;
struct target_flock *target_fl = (void *)arg3;
switch(arg2) {
case F_GETLK:
ret = get_errno(fcntl(arg1, arg2, &fl));
if (ret == 0) {
target_fl->l_type = tswap16(fl.l_type);
target_fl->l_whence = tswap16(fl.l_whence);
target_fl->l_start = tswapl(fl.l_start);
target_fl->l_len = tswapl(fl.l_len);
target_fl->l_pid = tswapl(fl.l_pid);
}
break;
case F_SETLK:
case F_SETLKW:
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);
ret = get_errno(fcntl(arg1, arg2, &fl));
break;
case F_GETLK64:
case F_SETLK64:
case F_SETLKW64:
goto unimplemented;
default:
ret = get_errno(fcntl(arg1, arg2, arg3));
break;
}
break;
}
case TARGET_NR_mpx:
goto unimplemented;
case TARGET_NR_setpgid:
@ -2356,16 +2382,37 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
goto unimplemented;
#if TARGET_LONG_BITS == 32
case TARGET_NR_fcntl64:
{
struct flock64 fl;
struct target_flock64 *target_fl = (void *)arg3;
switch(arg2) {
case F_GETLK64:
ret = get_errno(fcntl(arg1, arg2, &fl));
if (ret == 0) {
target_fl->l_type = tswap16(fl.l_type);
target_fl->l_whence = tswap16(fl.l_whence);
target_fl->l_start = tswap64(fl.l_start);
target_fl->l_len = tswap64(fl.l_len);
target_fl->l_pid = tswapl(fl.l_pid);
}
break;
case F_SETLK64:
case F_SETLKW64:
goto unimplemented;
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);
ret = get_errno(fcntl(arg1, arg2, &fl));
break;
default:
ret = get_errno(fcntl(arg1, arg2, arg3));
break;
}
break;
break;
}
#endif
case TARGET_NR_security:
goto unimplemented;