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linux-user: support private futexes 

Implemented the same way as in the kernel.

From: Martin Mohring <martin.mohring@opensuse.org>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
This commit is contained in:
Martin Mohring 2009-05-04 21:34:56 +03:00 committed by Riku Voipio
parent 350d1779f8
commit a29ccd6382
1 changed files with 9 additions and 5 deletions
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14
linux-user/syscall.c
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@ -3926,7 +3926,11 @@ static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
/* ??? We assume FUTEX_* constants are the same on both host
and target. */
#ifdef FUTEX_CMD_MASK
switch ((op&FUTEX_CMD_MASK)) {
#else
switch (op) {
#endif
case FUTEX_WAIT:
if (timeout) {
pts = &ts;
@ -3934,17 +3938,17 @@ static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
} else {
pts = NULL;
}
return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val),
return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
pts, NULL, 0));
case FUTEX_WAKE:
return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0));
return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
case FUTEX_FD:
return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0));
return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
case FUTEX_REQUEUE:
return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val,
return get_errno(sys_futex(g2h(uaddr), op, val,
NULL, g2h(uaddr2), 0));
case FUTEX_CMP_REQUEUE:
return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val,
return get_errno(sys_futex(g2h(uaddr), op, val,
NULL, g2h(uaddr2), tswap32(val3)));
default:
return -TARGET_ENOSYS;