svn commit: r313940 - in head/sys: amd64/linux amd64/linux32 compat/linux i386/linux

[Dmitry Chagin]

Author: dchagin
Date: Sun Feb 19 07:38:11 2017
New Revision: 313940
URL: https://svnweb.freebsd.org/changeset/base/313940

Log:
  Implement rt_tgsigqueueinfo system call used by glibc for pthread_sigqueue(3).
  
  MFC after:	2 week

Modified:
  head/sys/amd64/linux/linux_dummy.c
  head/sys/amd64/linux32/linux32_dummy.c
  head/sys/compat/linux/linux_signal.c
  head/sys/i386/linux/linux_dummy.c

Modified: head/sys/amd64/linux/linux_dummy.c
==============================================================================
--- head/sys/amd64/linux/linux_dummy.c	Sun Feb 19 06:14:33 2017	(r313939)
+++ head/sys/amd64/linux/linux_dummy.c	Sun Feb 19 07:38:11 2017	(r313940)
@@ -114,7 +114,6 @@ DUMMY(inotify_init1);
 DUMMY(preadv);
 DUMMY(pwritev);
 /* linux 2.6.31: */
-DUMMY(rt_tgsigqueueinfo);
 DUMMY(perf_event_open);
 /* linux 2.6.38: */
 DUMMY(fanotify_init);

Modified: head/sys/amd64/linux32/linux32_dummy.c
==============================================================================
--- head/sys/amd64/linux32/linux32_dummy.c	Sun Feb 19 06:14:33 2017	(r313939)
+++ head/sys/amd64/linux32/linux32_dummy.c	Sun Feb 19 07:38:11 2017	(r313940)
@@ -114,7 +114,6 @@ DUMMY(inotify_init1);
 DUMMY(preadv);
 DUMMY(pwritev);
 /* linux 2.6.31: */
-DUMMY(rt_tgsigqueueinfo);
 DUMMY(perf_event_open);
 /* linux 2.6.33: */
 DUMMY(fanotify_init);

Modified: head/sys/compat/linux/linux_signal.c
==============================================================================
--- head/sys/compat/linux/linux_signal.c	Sun Feb 19 06:14:33 2017	(r313939)
+++ head/sys/compat/linux/linux_signal.c	Sun Feb 19 07:38:11 2017	(r313940)
@@ -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: head/sys/i386/linux/linux_dummy.c
==============================================================================
--- head/sys/i386/linux/linux_dummy.c	Sun Feb 19 06:14:33 2017	(r313939)
+++ head/sys/i386/linux/linux_dummy.c	Sun Feb 19 07:38:11 2017	(r313940)
@@ -110,7 +110,6 @@ DUMMY(inotify_init1);
 DUMMY(preadv);
 DUMMY(pwritev);
 /* linux 2.6.31: */
-DUMMY(rt_tgsigqueueinfo);
 DUMMY(perf_event_open);
 /* linux 2.6.33: */
 DUMMY(fanotify_init);