# SYNOPSIS
#
#   LTTNG_PTHREAD_SETNAME_NP
#
# LICENSE
#
#   Copyright (c) 2020 Michael Jeanson <mjeanson@efficios.com>
#
#   This program is free software; you can redistribute it and/or modify it
#   under the terms of the GNU General Public License as published by the
#   Free Software Foundation; either version 2 of the License, or (at your
#   option) any later version.
#
#   This program is distributed in the hope that it will be useful, but
#   WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
#   Public License for more details.
#
#   You should have received a copy of the GNU General Public License along
#   with this program. If not, see <https://www.gnu.org/licenses/>.
#
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#   gives unlimited permission to copy, distribute and modify the configure
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AC_DEFUN([LTTNG_PTHREAD_SETNAME_NP], [
AC_REQUIRE([AX_PTHREAD])
AC_LANG_PUSH([C])

lttng_pthread_setname_np_save_LDFLAGS="$LDFLAGS"
lttng_pthread_setname_np_save_LIBS="$LIBS"
LDFLAGS="$LDFLAGS $PTHREAD_CFLAGS"
LIBS="$LIBS $PTHREAD_LIBS"

# GLIBC >= 2.12, Solaris >= 11.3
AC_MSG_CHECKING(for pthread_setname_np(pthread_t, const char*))
AC_LINK_IFELSE(
    [AC_LANG_PROGRAM(
        [#include <pthread.h>],
        [pthread_setname_np(pthread_self(), "example")])],
    [AC_MSG_RESULT(yes)
     AC_DEFINE(HAVE_PTHREAD_SETNAME_NP_WITH_TID,1,
        [Have function pthread_setname_np(pthread_t, const char*)])],
    [AC_MSG_RESULT(no)])

# MacOS X >= 10.6, iOS >= 3.2
AC_MSG_CHECKING(for pthread_setname_np(const char*))
AC_LINK_IFELSE(
    [AC_LANG_PROGRAM(
        [#include <pthread.h>],
        [pthread_setname_np("example")])],
    [AC_MSG_RESULT(yes)
     AC_DEFINE(HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID,1,
        [Have function pthread_setname_np(const char*)])],
    [AC_MSG_RESULT(no)])

LDFLAGS=$lttng_pthread_setname_np_save_LDFLAGS
LIBS=$lttng_pthread_setname_np_save_LIBS

AC_LANG_POP
])dnl LTTNG_PTHREAD_SETNAME_NP