svn commit: r315314 - in stable/11/sys: amd64/linux amd64/linux32 compat/linux i386/linux

[Dmitry Chagin]

Author: dchagin
Date: Wed Mar 15 17:11:01 2017
New Revision: 315314
URL: https://svnweb.freebsd.org/changeset/base/315314

Log:
  MFC r313940:
  
  Implement rt_tgsigqueueinfo system call used by glibc for pthread_sigqueue(3).

Modified:
  stable/11/sys/amd64/linux/linux_dummy.c
  stable/11/sys/amd64/linux32/linux32_dummy.c
  stable/11/sys/compat/linux/linux_signal.c
  stable/11/sys/i386/linux/linux_dummy.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/amd64/linux/linux_dummy.c
==============================================================================
--- stable/11/sys/amd64/linux/linux_dummy.c	Wed Mar 15 17:06:04 2017	(r315313)
+++ stable/11/sys/amd64/linux/linux_dummy.c	Wed Mar 15 17:11:01 2017	(r315314)
@@ -112,7 +112,6 @@ DUMMY(timerfd_gettime);
 DUMMY(signalfd4);
 DUMMY(inotify_init1);
 /* linux 2.6.31: */
-DUMMY(rt_tgsigqueueinfo);
 DUMMY(perf_event_open);
 /* linux 2.6.38: */
 DUMMY(fanotify_init);

Modified: stable/11/sys/amd64/linux32/linux32_dummy.c
==============================================================================
--- stable/11/sys/amd64/linux32/linux32_dummy.c	Wed Mar 15 17:06:04 2017	(r315313)
+++ stable/11/sys/amd64/linux32/linux32_dummy.c	Wed Mar 15 17:11:01 2017	(r315314)
@@ -111,7 +111,6 @@ DUMMY(timerfd_gettime);
 DUMMY(signalfd4);
 DUMMY(inotify_init1);
 /* linux 2.6.31: */
-DUMMY(rt_tgsigqueueinfo);
 DUMMY(perf_event_open);
 /* linux 2.6.33: */
 DUMMY(fanotify_init);

Modified: stable/11/sys/compat/linux/linux_signal.c
==============================================================================
--- stable/11/sys/compat/linux/linux_signal.c	Wed Mar 15 17:06:04 2017	(r315313)
+++ stable/11/sys/compat/linux/linux_signal.c	Wed Mar 15 17:11:01 2017	(r315314)
@@ -764,3 +764,32 @@ linux_rt_sigqueueinfo(struct thread *td,
 
 	return (error);
 }
+
+int
+linux_rt_tgsigqueueinfo(struct thread *td, struct linux_rt_tgsigqueueinfo_args *args)
+{
+	l_siginfo_t linfo;
+	struct thread *tds;
+	ksiginfo_t ksi;
+	int error;
+	int sig;
+
+	if (!LINUX_SIG_VALID(args->sig))
+		return (EINVAL);
+
+	error = copyin(args->uinfo, &linfo, sizeof(linfo));
+	if (error != 0)
+		return (error);
+
+	if (linfo.lsi_code >= 0)
+		return (EPERM);
+
+	tds = linux_tdfind(td, args->tid, args->tgid);
+	if (tds == NULL)
+		return (ESRCH);
+
+	sig = linux_to_bsd_signal(args->sig);
+	ksiginfo_init(&ksi);
+	lsiginfo_to_ksiginfo(&linfo, &ksi, sig);
+	return (linux_do_tkill(td, tds, &ksi));
+}

Modified: stable/11/sys/i386/linux/linux_dummy.c
==============================================================================
--- stable/11/sys/i386/linux/linux_dummy.c	Wed Mar 15 17:06:04 2017	(r315313)
+++ stable/11/sys/i386/linux/linux_dummy.c	Wed Mar 15 17:11:01 2017	(r315314)
@@ -107,7 +107,6 @@ DUMMY(timerfd_gettime);
 DUMMY(signalfd4);
 DUMMY(inotify_init1);
 /* linux 2.6.31: */
-DUMMY(rt_tgsigqueueinfo);
 DUMMY(perf_event_open);
 /* linux 2.6.33: */
 DUMMY(fanotify_init);