diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S | 72 |
1 files changed, 2 insertions, 70 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S index 34840092ed..de0df72d78 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S @@ -69,8 +69,8 @@ __lll_lock_wait: .globl __lll_unlock_wake .type __lll_unlock_wake,@function .hidden __lll_unlock_wake + .align 16 __lll_unlock_wake: - pushl %esi pushl %ebx pushl %ecx pushl %edx @@ -78,80 +78,12 @@ __lll_unlock_wake: movl %eax, %ebx 1: movl $FUTEX_WAKE, %ecx movl $1, %edx /* Wake one thread. */ - xorl %esi, %esi - movl %edx, (%ebx) /* Stores '$1'. */ movl $SYS_futex, %eax + movl %edx, (%ebx) /* Stores '$1'. */ ENTER_KERNEL popl %edx popl %ecx popl %ebx - popl %esi ret .size __lll_unlock_wake,.-__lll_unlock_wake - - - .globl __lll_timedwait_tid - .type __lll_timedwait_tid,@function - .hidden __lll_timedwait_tid -__lll_timedwait_tid: - pushl %edi - pushl %esi - pushl %ebx - pushl %ebp - - movl %eax, %ebp - movl %edx, %edi - subl $8, %esp - - /* Get current time. */ -2: movl %esp, %ebx - xorl %ecx, %ecx - movl $SYS_gettimeofday, %eax - ENTER_KERNEL - - /* Compute relative timeout. */ - movl 4(%esp), %eax - movl $1000, %edx - mul %edx /* Milli seconds to nano seconds. */ - movl (%edi), %ecx - movl 4(%edi), %edx - subl (%esp), %ecx - subl %eax, %edx - jns 5f - addl $1000000000, %edx - decl %ecx -5: testl %ecx, %ecx - js 6f /* Time is already up. */ - - movl %ecx, (%esp) /* Store relative timeout. */ - movl %edx, 4(%esp) - - movl (%ebp), %edx - testl %edx, %edx - jz 4f - - movl %esp, %esi - xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */ - movl %ebp, %ebx - movl $SYS_futex, %eax - ENTER_KERNEL - - movl %eax, %edx - - cmpl $0, (%ebx) - jne 1f -4: xorl %eax, %eax - -3: addl $8, %esp - popl %ebp - popl %ebx - popl %esi - popl %edi - ret - -1: cmpl $-ETIMEDOUT, %edx - jne 2b -6: movl $ETIMEDOUT, %eax - jmp 3b - .size __lll_timedwait_tid,.-__lll_timedwait_tid |