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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 <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2019-01-30 11:36:45 +01:00
parent 4d738e0f62
commit a52396bd07
2 changed files with 7 additions and 1 deletions
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3
winsup/cygwin/release/3.0
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@ -89,3 +89,6 @@ Bug Fixes
- Disallow seteuid on disabled or locked out accounts. - Disallow seteuid on disabled or locked out accounts.
Addresses: https://cygwin.com/ml/cygwin/2019-01/msg00197.html 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

3
winsup/cygwin/signal.cc
View File

@ -300,7 +300,10 @@ _pinfo::kill (siginfo_t& si)
extern "C" int extern "C" int
raise (int sig) raise (int sig)
{ {
pthread *thread = _my_tls.tid;
if (!thread)
return kill (myself->pid, sig); return kill (myself->pid, sig);
return pthread_kill (thread, sig);
} }
static int static int