Build system: implement REUSE with SPDX identifiers

[lttng-ust.git] / m4 / ae_pthread_setname_np.m4

diff --git a/m4/ae_pthread_setname_np.m4 b/m4/ae_pthread_setname_np.m4
new file mode 100644 (file)
index 0000000..2c9b1c9
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+++ b/m4/ae_pthread_setname_np.m4
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+# SPDX-FileCopyrightText: 2020 Michael Jeanson <mjeanson@efficios.com>
+#
+# SPDX-License-Identifier: GPL-2.0-or-later WITH LicenseRef-Autoconf-exception-macro
+#
+# SYNOPSIS
+#
+#   AE_PTHREAD_SETNAME_NP
+#
+
+#serial 2
+
+AC_DEFUN([AE_PTHREAD_SETNAME_NP], [
+AC_REQUIRE([AX_PTHREAD])
+AC_LANG_PUSH([C])
+
+ae_pthread_setname_np_save_LDFLAGS="$LDFLAGS"
+ae_pthread_setname_np_save_LIBS="$LIBS"
+LDFLAGS="$LDFLAGS $PTHREAD_CFLAGS"
+LIBS="$LIBS $PTHREAD_LIBS"
+
+# GLIBC >= 2.12, Solaris >= 11.3, FreeBSD >= 12.2
+AC_MSG_CHECKING(for pthread_setname_np(pthread_t, const char*))
+AC_LINK_IFELSE(
+    [AC_LANG_PROGRAM(
+        [[#include <pthread.h>
+         #ifdef __FreeBSD__
+         #include <pthread_np.h>
+         #endif]],
+        [pthread_setname_np(pthread_self(), "example")])],
+    [AC_MSG_RESULT(yes)
+     AC_DEFINE(HAVE_PTHREAD_SETNAME_NP_WITH_TID,1,
+        [Have function pthread_setname_np(pthread_t, const char*)])],
+    [AC_MSG_RESULT(no)])
+
+# MacOS X >= 10.6, iOS >= 3.2
+AC_MSG_CHECKING(for pthread_setname_np(const char*))
+AC_LINK_IFELSE(
+    [AC_LANG_PROGRAM(
+        [[#include <pthread.h>
+         #ifdef __FreeBSD__
+         #include <pthread_np.h>
+         #endif]],
+        [pthread_setname_np("example")])],
+    [AC_MSG_RESULT(yes)
+     AC_DEFINE(HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID,1,
+        [Have function pthread_setname_np(const char*)])],
+    [AC_MSG_RESULT(no)])
+
+# FreeBSD
+AC_MSG_CHECKING(for pthread_set_name_np(pthread_t, const char*))
+AC_LINK_IFELSE(
+    [AC_LANG_PROGRAM(
+        [[#include <pthread.h>
+         #ifdef __FreeBSD__
+         #include <pthread_np.h>
+         #endif]],
+        [pthread_set_name_np(pthread_self(), "example")])],
+    [AC_MSG_RESULT(yes)
+     AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP_WITH_TID,1,
+        [Have function pthread_set_name_np(pthread_t, const char*)])],
+    [AC_MSG_RESULT(no)])
+
+LDFLAGS=$ae_pthread_setname_np_save_LDFLAGS
+LIBS=$ae_pthread_setname_np_save_LIBS
+
+AC_LANG_POP
+])dnl AE_PTHREAD_SETNAME_NP