m4/lttng_pthread_getname_np.m4

   1 # SYNOPSIS
   2 #
   3 #   LTTNG_PTHREAD_GETNAME_NP
   4 #
   5 # LICENSE
   6 #
   7 #   Copyright (c) 2020 Michael Jeanson <mjeanson@efficios.com>
   8 #
   9 #   This program is free software; you can redistribute it and/or modify it
  10 #   under the terms of the GNU General Public License as published by the
  11 #   Free Software Foundation; either version 2 of the License, or (at your
  12 #   option) any later version.
  13 #
  14 #   This program is distributed in the hope that it will be useful, but
  15 #   WITHOUT ANY WARRANTY; without even the implied warranty of
  16 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
  17 #   Public License for more details.
  18 #
  19 #   You should have received a copy of the GNU General Public License along
  20 #   with this program. If not, see <https://www.gnu.org/licenses/>.
  21 #
  22 #   As a special exception, the respective Autoconf Macro's copyright owner
  23 #   gives unlimited permission to copy, distribute and modify the configure
  24 #   scripts that are the output of Autoconf when processing the Macro. You
  25 #   need not follow the terms of the GNU General Public License when using
  26 #   or distributing such scripts, even though portions of the text of the
  27 #   Macro appear in them. The GNU General Public License (GPL) does govern
  28 #   all other use of the material that constitutes the Autoconf Macro.
  29 #
  30 #   This special exception to the GPL applies to versions of the Autoconf
  31 #   Macro released by the Autoconf Archive. When you make and distribute a
  32 #   modified version of the Autoconf Macro, you may extend this special
  33 #   exception to the GPL to apply to your modified version as well.
  34
  35 AC_DEFUN([LTTNG_PTHREAD_GETNAME_NP], [
  36 AC_REQUIRE([AX_PTHREAD])
  37 AC_LANG_PUSH([C])
  38
  39 lttng_pthread_getname_np_save_LDFLAGS="$LDFLAGS"
  40 lttng_pthread_getname_np_save_LIBS="$LIBS"
  41 LDFLAGS="$LDFLAGS $PTHREAD_CFLAGS"
  42 LIBS="$LIBS $PTHREAD_LIBS"
  43
  44 # GLIBC >= 2.12, Solaris >= 11.3, FreeBSD >= 12.2, MacOS X >= 10.6, iOS >= 3.2
  45 AC_MSG_CHECKING(for pthread_getname_np(pthread_t, char*, size_t))
  46 AC_LINK_IFELSE(
  47     [AC_LANG_PROGRAM(
  48         [[#include <pthread.h>
  49          #ifdef __FreeBSD__
  50          #include <pthread_np.h>
  51          #endif
  52          #define LTTNG_PTHREAD_NAMELEN 16
  53          char lttng_pthread_name[LTTNG_PTHREAD_NAMELEN];]],
  54         [pthread_getname_np(pthread_self(), lttng_pthread_name, LTTNG_PTHREAD_NAMELEN)])],
  55     [AC_MSG_RESULT(yes)
  56      AC_DEFINE(HAVE_PTHREAD_GETNAME_NP_WITH_TID,1,
  57         [Have function pthread_getname_np(pthread_t, char*, size_t)])],
  58     [AC_MSG_RESULT(no)])
  59
  60 AC_MSG_CHECKING(for pthread_getname_np(char*, size_t))
  61 AC_LINK_IFELSE(
  62     [AC_LANG_PROGRAM(
  63         [[#include <pthread.h>
  64          #ifdef __FreeBSD__
  65          #include <pthread_np.h>
  66          #endif
  67          #define LTTNG_PTHREAD_NAMELEN 16
  68          char lttng_pthread_name[LTTNG_PTHREAD_NAMELEN];]],
  69         [pthread_getname_np(lttng_pthread_name, LTTNG_PTHREAD_NAMELEN)])],
  70     [AC_MSG_RESULT(yes)
  71      AC_DEFINE(HAVE_PTHREAD_GETNAME_NP_WITHOUT_TID,1,
  72         [Have function pthread_getname_np(char*, size_t)])],
  73     [AC_MSG_RESULT(no)])
  74
  75 # FreeBSD
  76 AC_MSG_CHECKING(for pthread_get_name_np(pthread_t, char*, size_t))
  77 AC_LINK_IFELSE(
  78     [AC_LANG_PROGRAM(
  79         [[#include <pthread.h>
  80          #ifdef __FreeBSD__
  81          #include <pthread_np.h>
  82          #endif
  83          #define LTTNG_PTHREAD_NAMELEN 16
  84          char lttng_pthread_name[LTTNG_PTHREAD_NAMELEN];]],
  85         [pthread_get_name_np(pthread_self(), lttng_pthread_name, LTTNG_PTHREAD_NAMELEN)])],
  86     [AC_MSG_RESULT(yes)
  87      AC_DEFINE(HAVE_PTHREAD_GET_NAME_NP_WITH_TID,1,
  88         [Have function pthread_get_name_np(pthread_t, char*, size_t)])],
  89     [AC_MSG_RESULT(no)])
  90
  91 LDFLAGS=$lttng_pthread_getname_np_save_LDFLAGS
  92 LIBS=$lttng_pthread_getname_np_save_LIBS
  93
  94 AC_LANG_POP
  95 ])dnl LTTNG_PTHREAD_GETNAME_NP