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From: Corinna Vinschen <>
Subject: [newlib-cygwin] Cygwin: raise: align return value and error checking to Linux
Date: Mon, 22 Nov 2021 11:52:28 +0000 (GMT)	[thread overview]
Message-ID: <> (raw);h=afb7c557d2af10cdcb16c7edcc9d16224995b9e0

commit afb7c557d2af10cdcb16c7edcc9d16224995b9e0
Author: Corinna Vinschen <>
Date:   Mon Nov 22 12:35:39 2021 +0100

    Cygwin: raise: align return value and error checking to Linux
    raise(2) on Linux returns the same values and sets errno
    independent of calling kill(2) or pthread_kill(3).  Align
    code to behave the same.
    Signed-off-by: Corinna Vinschen <>

 winsup/cygwin/ | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/winsup/cygwin/ b/winsup/cygwin/
index f4b468664..2cf750f5c 100644
--- a/winsup/cygwin/
+++ b/winsup/cygwin/
@@ -303,7 +303,12 @@ raise (int sig)
   pthread *thread = _my_tls.tid;
   if (!thread || !__isthreaded)
     return kill (myself->pid, sig);
-  return pthread_kill (thread, sig);
+  /* Make sure to return -1 and set errno, as on Linux. */
+  int err = pthread_kill (thread, sig);
+  if (err)
+    set_errno (err);
+  return err ? -1 : 0;
 static int

                 reply	other threads:[~2021-11-22 11:52 UTC|newest]

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