diff options
Diffstat (limited to 'src/kern')
| -rw-r--r-- | src/kern/linux/linux.hh | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/kern/linux/linux.hh b/src/kern/linux/linux.hh index 4ed39028b..93253012a 100644 --- a/src/kern/linux/linux.hh +++ b/src/kern/linux/linux.hh @@ -243,12 +243,28 @@ class Linux : public OperatingSystem static const unsigned TGT_FUTEX_WAKE = 1; static const unsigned TGT_FUTEX_REQUEUE = 3; static const unsigned TGT_FUTEX_CMP_REQUEUE = 4; + static const unsigned TGT_FUTEX_WAKE_OP = 5; static const unsigned TGT_FUTEX_WAIT_BITSET = 9; static const unsigned TGT_FUTEX_WAKE_BITSET = 10; static const unsigned TGT_EAGAIN = 11; static const unsigned TGT_EWOULDBLOCK = TGT_EAGAIN; static const unsigned TGT_FUTEX_PRIVATE_FLAG = 128; static const unsigned TGT_FUTEX_CLOCK_REALTIME_FLAG = 256; + // op field of futex_wake_op operation + static const unsigned TGT_FUTEX_OP_SET = 0; // uaddr2 = oparg; + static const unsigned TGT_FUTEX_OP_ADD = 1; // uaddr2 += oparg; + static const unsigned TGT_FUTEX_OP_OR = 2; // uaddr2 |= oparg; + static const unsigned TGT_FUTEX_OP_ANDN = 3; // uaddr2 &= ~oparg; + static const unsigned TGT_FUTEX_OP_XOR = 4; // uaddr2 ^= oparg; + // Use (1 << oparg) as operand + static const unsigned TGT_FUTEX_OP_ARG_SHIFT = 8; + // cmp field of futex_wake_op operation + static const unsigned TGT_FUTEX_OP_CMP_EQ = 0; + static const unsigned TGT_FUTEX_OP_CMP_NE = 1; + static const unsigned TGT_FUTEX_OP_CMP_LT = 2; + static const unsigned TGT_FUTEX_OP_CMP_LE = 3; + static const unsigned TGT_FUTEX_OP_CMP_GT = 4; + static const unsigned TGT_FUTEX_OP_CMP_GE = 5; // for *at syscalls static const int TGT_AT_FDCWD = -100; |