diff options
| author | Christopher Faylor <me@cgf.cx> | 2007-08-09 17:20:09 +0000 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2007-08-09 17:20:09 +0000 |
| commit | a680a5325833f7ac5c4ee2b272a6f529192ead54 (patch) | |
| tree | 228194ff6a802d63f7662c4e4d703f1f18928eb9 /winsup | |
| parent | 7d5f6c188746c6682389cf8a7830d63fb3c9743b (diff) | |
| download | newlib-a680a5325833f7ac5c4ee2b272a6f529192ead54.zip newlib-a680a5325833f7ac5c4ee2b272a6f529192ead54.tar.gz newlib-a680a5325833f7ac5c4ee2b272a6f529192ead54.tar.bz2 | |
* gendef (sigbe): Reset "incyg" while the stack lock is active to avoid a
potential race.
Diffstat (limited to 'winsup')
| -rw-r--r-- | winsup/cygwin/ChangeLog | 5 | ||||
| -rwxr-xr-x | winsup/cygwin/gendef | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 5fca04d..0e08931 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,8 @@ +2007-08-09 Ernie Coskrey <Ernie.Coskrey@steeleye.com> + + * gendef (sigbe): Reset "incyg" while the stack lock is active to avoid + a potential race. + 2007-08-09 Corinna Vinschen <corinna@vinschen.de> * syscalls.cc (rename): Close oldpath file handle immediately after diff --git a/winsup/cygwin/gendef b/winsup/cygwin/gendef index 4f60ea6..0d7df4b 100755 --- a/winsup/cygwin/gendef +++ b/winsup/cygwin/gendef @@ -158,9 +158,9 @@ __sigbe: # return here after cygwin syscall xorl %edx,%edx xchgl %edx,-4(%eax) # get return address from signal stack xchgl %edx,8(%esp) # restore edx/real return address + decl $tls::incyg(%ebx) decl $tls::stacklock(%ebx) # release lock popl %eax - decl $tls::incyg(%ebx) popl %ebx ret |