diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S | 18 |
1 files changed, 17 insertions, 1 deletions
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 0291beb169..ca49cb89d0 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, 2007, 2009 Free Software Foundation, Inc. +/* Copyright (C) 2002,2003,2005,2007,2009,2010 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -77,6 +77,9 @@ sem_timedwait: je .Lreltmo #endif + cmpq $0, (%rsi) + js 16f + /* This push is only needed to store the sem_t pointer for the exception handler. */ pushq %rdi @@ -169,6 +172,19 @@ sem_timedwait: retq +16: +#if USE___THREAD + movq errno@gottpoff(%rip), %rdx + movl $ETIMEDOUT, %fs:(%rdx) +#else + callq __errno_location@plt + movl $ETIMEDOUT, (%rax) +#endif + + orl $-1, %eax + + retq + #ifndef __ASSUME_FUTEX_CLOCK_REALTIME .Lreltmo: pushq %r12 |