https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=a52396bd079a22be539df4d63d42425413e0a51c
commit a52396bd079a22be539df4d63d42425413e0a51c Author: Corinna Vinschen <[email protected]> Date: Wed Jan 30 11:36:45 2019 +0100 Cygwin: raise: change to call pthread_kill POSIX requires that raise(3) is equivalent to pthread_kill(pthread_self(), sig); in multi-threaded applications. Our raise just called kill(sig). Fix that. Signed-off-by: Corinna Vinschen <[email protected]> Diff: --- winsup/cygwin/release/3.0 | 3 +++ winsup/cygwin/signal.cc | 5 ++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/winsup/cygwin/release/3.0 b/winsup/cygwin/release/3.0 index 79affdb..49edb38 100644 --- a/winsup/cygwin/release/3.0 +++ b/winsup/cygwin/release/3.0 @@ -89,3 +89,6 @@ Bug Fixes - Disallow seteuid on disabled or locked out accounts. Addresses: https://cygwin.com/ml/cygwin/2019-01/msg00197.html + +- Fix raise to work as required by POSIX. + (Partially) addresses: https://cygwin.com/ml/cygwin/2019-01/msg00149.html diff --git a/winsup/cygwin/signal.cc b/winsup/cygwin/signal.cc index abefedd..9c51ec1 100644 --- a/winsup/cygwin/signal.cc +++ b/winsup/cygwin/signal.cc @@ -300,7 +300,10 @@ _pinfo::kill (siginfo_t& si) extern "C" int raise (int sig) { - return kill (myself->pid, sig); + pthread *thread = _my_tls.tid; + if (!thread) + return kill (myself->pid, sig); + return pthread_kill (thread, sig); } static int
