Add pthread_getname_np() and pthread_setname_np() aliases

for pthread_get_name_np() and pthread_set_name_np(), to be
compatible with Linux.

PR:	238404
Proposed and reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D25117

include/pthread_np.h

@@ -50,6 +50,7 @@ int pthread_attr_get_np(pthread_t, pthread_attr_t *);
 int pthread_attr_getaffinity_np(const pthread_attr_t *, size_t, cpuset_t *);
 int pthread_attr_setaffinity_np(pthread_attr_t *, size_t, const cpuset_t *);
 void pthread_get_name_np(pthread_t, char *, size_t);
+void pthread_getname_np(pthread_t, char *, size_t);
 int pthread_getaffinity_np(pthread_t, size_t, cpuset_t *);
 int pthread_getthreadid_np(void);
 int pthread_main_np(void);
@@ -65,6 +66,7 @@ void pthread_resume_all_np(void);
 int pthread_resume_np(pthread_t);
 int pthread_peekjoin_np(pthread_t, void **);
 void pthread_set_name_np(pthread_t, const char *);
+void pthread_setname_np(pthread_t, const char *);
 int pthread_setaffinity_np(pthread_t, size_t, const cpuset_t *);
 int pthread_single_np(void);
 void pthread_suspend_all_np(void);

lib/libthr/pthread.map

@@ -328,5 +328,7 @@ FBSD_1.5 {
 };
 
 FBSD_1.6 {
+	 pthread_getname_np;
 	 pthread_peekjoin_np;
+	 pthread_setname_np;
 };

lib/libthr/thread/thr_info.c

@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
 #include "thr_private.h"
 
 __weak_reference(_pthread_set_name_np, pthread_set_name_np);
+__weak_reference(_pthread_set_name_np, pthread_setname_np);
 
 static void
 thr_set_name_np(struct pthread *thread, const char *name)
@@ -89,6 +90,7 @@ thr_get_name_np(struct pthread *thread, char *buf, size_t len)
 }
 
 __weak_reference(_pthread_get_name_np, pthread_get_name_np);
+__weak_reference(_pthread_get_name_np, pthread_getname_np);
 
 void
 _pthread_get_name_np(pthread_t thread, char *buf, size_t len)

share/man/man3/Makefile

@@ -493,7 +493,9 @@ PTHREAD_MLINKS+=pthread_rwlock_rdlock.3 pthread_rwlock_tryrdlock.3
 PTHREAD_MLINKS+=pthread_rwlock_wrlock.3 pthread_rwlock_trywrlock.3
 PTHREAD_MLINKS+=pthread_schedparam.3 pthread_getschedparam.3 \
 		pthread_schedparam.3 pthread_setschedparam.3
-PTHREAD_MLINKS+=pthread_set_name_np.3 pthread_get_name_np.3
+PTHREAD_MLINKS+=pthread_set_name_np.3 pthread_get_name_np.3 \
+		pthread_set_name_np.3 pthread_getname_np.3 \
+		pthread_set_name_np.3 pthread_setname_np.3
 PTHREAD_MLINKS+=pthread_spin_init.3 pthread_spin_destroy.3 \
 		pthread_spin_lock.3 pthread_spin_trylock.3 \
 		pthread_spin_lock.3 pthread_spin_unlock.3

share/man/man3/pthread_set_name_np.3

@@ -24,12 +24,14 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 12, 2018
+.Dd June 3, 2020
 .Dt PTHREAD_SET_NAME_NP 3
 .Os
 .Sh NAME
 .Nm pthread_get_name_np ,
+.Nm pthread_getname_np ,
 .Nm pthread_set_name_np
+.Nm pthread_setname_np
 .Nd set and retrieve the thread name
 .Sh LIBRARY
 .Lb libpthread
@@ -38,18 +40,26 @@
 .Ft void
 .Fn pthread_get_name_np "pthread_t thread" "char *name" "size_t len"
 .Ft void
+.Fn pthread_getname_np "pthread_t thread" "char *name" "size_t len"
+.Ft void
 .Fn pthread_set_name_np "pthread_t thread" "const char *name"
+.Ft void
+.Fn pthread_setname_np "pthread_t thread" "const char *name"
 .Sh DESCRIPTION
 The
 .Fn pthread_set_name_np
-function applies a copy of the given
+and
+.Fn pthread_setname_np
+functions applies a copy of the given
 .Fa name
 to the given
 .Fa thread .
 .Pp
 The
 .Fn pthread_get_name_np
-function retrieves the
+and
+.Fn pthread_getname_np
+functions retrieves the
 .Fa name
 associated with
 .Fa thread .
@@ -70,6 +80,11 @@ appear inside are silently ignored.
 and
 .Fn pthread_get_name_np
 are non-standard extensions.
+.Fn pthread_setname_np
+and
+.Fn pthread_getname_np
+are also non-standard, but are implemented by larger number of operating
+systems so they are in fact more portable.
 .Sh AUTHORS
 This manual page was written by
 .An Alexey Zelkin Aq Mt phantom@FreeBSD.org