diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S | 9 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S | 19 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S | 15 |
3 files changed, 8 insertions, 35 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S index 7f608a5974..cc3a9a9cee 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -41,15 +41,18 @@ sem_post: LOCK xaddl %edx, (%rdi) + testl %edx, %edx + jne 2f + movl $SYS_futex, %eax movl $FUTEX_WAKE, %esi - incl %edx + movl $1, %edx syscall testq %rax, %rax js 1f - xorl %eax, %eax +2: xorl %eax, %eax retq 1: diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S index c44d3f5e77..76a566b988 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -40,12 +40,6 @@ .align 16 cfi_startproc sem_timedwait: - /* First check for cancellation. */ - movl %fs:CANCELHANDLING, %eax - andl $0xfffffff9, %eax - cmpl $8, %eax - je 11f - movl (%rdi), %eax 2: testl %eax, %eax je 1f @@ -160,16 +154,5 @@ sem_timedwait: orl $-1, %eax jmp 10b - cfi_adjust_cfa_offset(-48) - cfi_restore(14) - cfi_restore(13) - cfi_restore(12) - -11: /* Canceled. */ - movq $0xffffffffffffffff, %fs:RESULT - LOCK - orl $0x10, %fs:CANCELHANDLING - movq %fs:CLEANUP_JMP_BUF, %rdi - jmp HIDDEN_JUMPTARGET (__pthread_unwind) cfi_endproc .size sem_timedwait,.-sem_timedwait diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S index 63ecd063ab..5bd78eb944 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -37,12 +37,6 @@ .align 16 cfi_startproc sem_wait: - /* First check for cancellation. */ - movl %fs:CANCELHANDLING, %eax - andl $0xfffffff9, %eax - cmpl $8, %eax - je 4f - pushq %r12 cfi_adjust_cfa_offset(8) cfi_offset(12, -16) @@ -109,12 +103,5 @@ sem_wait: cfi_restore(12) retq - -4: /* Canceled. */ - movq $0xffffffffffffffff, %fs:RESULT - LOCK - orl $0x10, %fs:CANCELHANDLING - movq %fs:CLEANUP_JMP_BUF, %rdi - jmp HIDDEN_JUMPTARGET (__pthread_unwind) cfi_endproc .size sem_wait,.-sem_wait |