diff options
| author | Ben Pfaff <blp@nicira.com> | 2013-08-01 09:35:56 -0700 |
|---|---|---|
| committer | Ben Pfaff <blp@nicira.com> | 2013-08-01 09:47:20 -0700 |
| commit | 8a8cd0acd09763f5edca6506bb286447c5776778 (patch) | |
| tree | ffc39b09444c145a8cfc3e3b62b558956137910e /acinclude.m4 | |
| parent | 78f1e5c7d39a27d86677bb7c301824f8a8c3a5a8 (diff) | |
configure: Distinguish glibc and NetBSD pthread_setname_np() variants.
Reported-by: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
Tested-by: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 30a4dc6d..6033bfa3 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -527,3 +527,50 @@ AC_DEFUN([OVS_ENABLE_SPARSE], [if test $ovs_cv_gnu_make_if = yes; then CC='$(if $(C),REAL_CC="'"$CC"'" CHECK="$(SPARSE) -I $(top_srcdir)/include/sparse $(SPARSEFLAGS) $(SPARSE_EXTRA_INCLUDES) " cgcc $(CGCCFLAGS),'"$CC"')' fi])]) + +dnl OVS_PTHREAD_SET_NAME +dnl +dnl This checks for three known variants of pthreads functions for setting +dnl the name of the current thread: +dnl +dnl glibc: int pthread_setname_np(pthread_t, const char *name); +dnl NetBSD: int pthread_setname_np(pthread_t, const char *format, void *arg); +dnl FreeBSD: int pthread_set_name_np(pthread_t, const char *name); +dnl +dnl For glibc and FreeBSD, the arguments are just a thread and its name. For +dnl NetBSD, 'format' is a printf() format string and 'arg' is an argument to +dnl provide to it. +dnl +dnl This macro defines: +dnl +dnl glibc: HAVE_GLIBC_PTHREAD_SETNAME_NP +dnl NetBSD: HAVE_NETBSD_PTHREAD_SETNAME_NP +dnl FreeBSD: HAVE_PTHREAD_SET_NAME_NP +AC_DEFUN([OVS_CHECK_PTHREAD_SET_NAME], + [AC_CHECK_FUNCS([pthread_set_name_np]) + if test $ac_cv_func_pthread_set_name_np != yes; then + AC_CACHE_CHECK( + [for pthread_setname_np() variant], + [ovs_cv_pthread_setname_np], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM([#include <pthread.h> + ], [pthread_setname_np(pthread_self(), "name");])], + [ovs_cv_pthread_setname_np=glibc], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM([#include <pthread.h> +], [pthread_setname_np(pthread_self(), "%s", "name");])], + [ovs_cv_pthread_setname_np=netbsd], + [ovs_cv_pthread_setname_np=none])])]) + case $ovs_cv_pthread_setname_np in # ( + glibc) + AC_DEFINE( + [HAVE_GLIBC_PTHREAD_SETNAME_NP], [1], + [Define to 1 if pthread_setname_np() is available and takes 2 parameters (like glibc).]) + ;; # ( + netbsd) + AC_DEFINE( + [HAVE_NETBSD_PTHREAD_SETNAME_NP], [1], + [Define to 1 if pthread_setname_np() is available and takes 3 parameters (like NetBSD).]) + ;; + esac + fi]) |