Fix off-by-one error in function _thr_sigact_unload, also disable the

function, it seems some gnome application tends to crash if we
unregister sigaction automatically.
This commit is contained in:
David Xu 2010-09-06 03:00:54 +00:00
parent 3cf53e8550
commit cb4a1047ce
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=212245

View File

@ -418,6 +418,7 @@ _thr_signal_init(void)
void
_thr_sigact_unload(struct dl_phdr_info *phdr_info)
{
#if 0
struct pthread *curthread = _get_curthread();
struct urwlock *rwlp;
struct sigaction *actp;
@ -426,13 +427,13 @@ _thr_sigact_unload(struct dl_phdr_info *phdr_info)
int sig;
_thr_signal_block(curthread);
for (sig = 1; sig < _SIG_MAXSIG; sig++) {
actp = &_thr_sigact[sig].sigact;
for (sig = 1; sig <= _SIG_MAXSIG; sig++) {
actp = &_thr_sigact[sig-1].sigact;
retry:
handler = actp->sa_handler;
if (handler != SIG_DFL && handler != SIG_IGN &&
__elf_phdr_match_addr(phdr_info, handler)) {
rwlp = &_thr_sigact[sig].lock;
rwlp = &_thr_sigact[sig-1].lock;
_thr_rwl_wrlock(rwlp);
if (handler != actp->sa_handler) {
_thr_rwl_unlock(rwlp);
@ -449,6 +450,7 @@ _thr_sigact_unload(struct dl_phdr_info *phdr_info)
}
}
_thr_signal_unblock(curthread);
#endif
}
void