diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2019-07-12 18:18:48 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2019-07-12 18:27:26 +0300 |
| commit | bae987be12b12b18a4e7952a25dba2101f5da1d6 (patch) | |
| tree | 33959a920cbec9fd57d0170c64100e2972b4a4ce /winsup/cygwin/sigproc.cc | |
| parent | 948d40e4829e9a6895e6b831ebcb688af849fb90 (diff) | |
Cygwin: sigpending: don't report pending signals for other threads
The sigpending mechanism failed to check if the pending signal was a
process-wide signal, or a signal for the curent thread. Fix that by
adding a matching conditional to wait_sig's __SIGPENDING code.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diffstat (limited to 'winsup/cygwin/sigproc.cc')
| -rw-r--r-- | winsup/cygwin/sigproc.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc index cba1af785..900facd58 100644 --- a/winsup/cygwin/sigproc.cc +++ b/winsup/cygwin/sigproc.cc @@ -1335,8 +1335,13 @@ wait_sig (VOID *) *pack.mask = 0; tl_entry = cygheap->find_tls (pack.sigtls); while ((q = q->next)) - if (pack.sigtls->sigmask & (bit = SIGTOMASK (q->si.si_signo))) - *pack.mask |= bit; + { + /* Skip thread-specific signals for other threads. */ + if (q->sigtls && pack.sigtls != q->sigtls) + continue; + if (pack.sigtls->sigmask & (bit = SIGTOMASK (q->si.si_signo))) + *pack.mask |= bit; + } cygheap->unlock_tls (tl_entry); } break; |