https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=195169186bfd58e45aaa31236575fb9d5957adad
commit 195169186bfd58e45aaa31236575fb9d5957adad Author: Corinna Vinschen <[email protected]> Date: Tue Mar 1 16:14:39 2022 +0100 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 <[email protected]> Diff: --- winsup/cygwin/sigproc.cc | 20 ++++++++++++++++++++ winsup/cygwin/sigproc.h | 3 ++- 2 files changed, 22 insertions(+), 1 deletion(-) 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; diff --git a/winsup/cygwin/sigproc.h b/winsup/cygwin/sigproc.h index 2a3d248d1..23287c85b 100644 --- a/winsup/cygwin/sigproc.h +++ b/winsup/cygwin/sigproc.h @@ -22,7 +22,8 @@ enum __SIGHOLD = -(_NSIG + 7), __SIGNOHOLD = -(_NSIG + 8), __SIGSETPGRP = -(_NSIG + 9), - __SIGTHREADEXIT = -(_NSIG + 10) + __SIGTHREADEXIT = -(_NSIG + 10), + __SIGPENDINGALL = -(_NSIG + 11), }; #endif
