diff options
Diffstat (limited to 'winsup/cygwin/gendef')
| -rwxr-xr-x | winsup/cygwin/gendef | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/winsup/cygwin/gendef b/winsup/cygwin/gendef index 2457314b2..b391d501e 100755 --- a/winsup/cygwin/gendef +++ b/winsup/cygwin/gendef @@ -94,8 +94,9 @@ __sigfe: pushl %edx movl %fs:4,%edx 1: movl \$1,%eax - lock cmpxchg %eax,$tls::stacklock(%edx) - jne 2f + lock xchgl %eax,$tls::stacklock(%edx) + cmpl %eax,%eax + jz 2f xorl %eax,%eax call _low_priority_sleep jmp 1b @@ -103,7 +104,7 @@ __sigfe: xadd %eax,$tls::stackptr(%edx) decl $tls::stacklock(%edx) leal __sigbe,%edx - xchg %edx,8(%esp) + xchgl %edx,8(%esp) movl %edx,(%eax) popl %edx ret @@ -115,15 +116,17 @@ __sigbe: pushl %eax movl %fs:4,%edx 1: movl \$1,%eax - lock cmpxchg %eax,$tls::stacklock(%edx) - jne 2f + lock xchgl %eax,$tls::stacklock(%edx) + cmpl %eax,%eax + jz 2f xorl %eax,%eax call _low_priority_sleep jmp 1b 2: movl \$-4,%eax xadd %eax,$tls::stackptr(%edx) - xchg %edx,-4(%eax) - xchg %edx,4(%esp) + decl $tls::stacklock(%edx) + xchgl %edx,-4(%eax) + xchgl %edx,4(%esp) popl %eax ret @@ -134,19 +137,17 @@ __ZN11_threadinfo3popEv: movl \$-4,%ebx xadd %ebx,$tls::pstackptr(%edx) xorl %eax,%eax - xchg %eax,-4(%ebx) - decl $tls::pstacklock(%edx) + xchgl %eax,-4(%ebx) popl %ebx ret - .global __ZN11_threadinfo4lockEi -__ZN11_threadinfo4lockEi: + .global __ZN11_threadinfo4lockEv +__ZN11_threadinfo4lockEv: pushl %ebx movl %eax,%ebx 1: movl \$1,%eax - lock cmpxchg %eax,$tls::pstacklock(%ebx) - jne 2f - cmpl %edx,%edx + lock xchgl %eax,$tls::pstacklock(%ebx) + cmpl %eax,%eax jz 2f xorl %eax,%eax call _low_priority_sleep |