diff options
Diffstat (limited to 'lib/libpthread/thread/thr_sigaction.c')
| -rw-r--r-- | lib/libpthread/thread/thr_sigaction.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/libpthread/thread/thr_sigaction.c b/lib/libpthread/thread/thr_sigaction.c index 7ede6d2..2bef7f2 100644 --- a/lib/libpthread/thread/thr_sigaction.c +++ b/lib/libpthread/thread/thr_sigaction.c @@ -43,16 +43,21 @@ _sigaction(int sig, const struct sigaction * act, struct sigaction * oact) { int ret = 0; struct sigaction gact; + struct pthread *curthread; + kse_critical_t crit; /* Check if the signal number is out of range: */ - if (sig < 1 || sig > NSIG) { + if (sig < 1 || sig > _SIG_MAXSIG) { /* Return an invalid argument: */ errno = EINVAL; ret = -1; } else { - if (_thr_initial == NULL) - _libpthread_init(NULL); + if (!_kse_isthreaded()) + return __sys_sigaction(sig, act, oact); + crit = _kse_critical_enter(); + curthread = _get_curthread(); + KSE_LOCK_ACQUIRE(curthread->kse, &_thread_signal_lock); /* * Check if the existing signal action structure contents are * to be returned: @@ -99,6 +104,8 @@ _sigaction(int sig, const struct sigaction * act, struct sigaction * oact) if (__sys_sigaction(sig, &gact, NULL) != 0) ret = -1; } + KSE_LOCK_RELEASE(curthread->kse, &_thread_signal_lock); + _kse_critical_leave(crit); } /* Return the completion status: */ |
