diff options
author | Corinna Vinschen <corinna@vinschen.de> | 2022-03-01 18:14:39 +0300 |
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committer | Corinna Vinschen <corinna@vinschen.de> | 2022-03-01 18:23:24 +0300 |
commit | 195169186bfd58e45aaa31236575fb9d5957adad (patch) | |
tree | f50db22dce71e5dd9666943b3a4f1db3bba9ecf4 /winsup/cygwin/sigproc.cc | |
parent | 05e7a60dd7fac7efd1ac792d45377d6971b55e23 (diff) |
Cygwin: wait_sig: allow to compute process-wide mask of pending signals
Add a signal __SIGPENDINGALL to allow computing the mask of all
currently pending signals.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diffstat (limited to 'winsup/cygwin/sigproc.cc')
-rw-r--r-- | winsup/cygwin/sigproc.cc | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc index edfdffd7c..449777cda 100644 --- a/winsup/cygwin/sigproc.cc +++ b/winsup/cygwin/sigproc.cc @@ -1371,6 +1371,26 @@ wait_sig (VOID *) case __SIGSTRACE: strace.activate (false); break; + case __SIGPENDINGALL: + { + unsigned bit; + bool issig_wait; + + *pack.mask = 0; + while ((q = q->next)) + { + if (q->sigtls->sigmask & (bit = SIGTOMASK (q->si.si_signo))) + { + tl_entry = cygheap->find_tls (q->si.si_signo, issig_wait); + if (tl_entry) + { + *pack.mask |= bit; + cygheap->unlock_tls (tl_entry); + } + } + } + } + break; case __SIGPENDING: { unsigned bit; |