Check for sem_init

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@4915 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/configure b/configure
index bddc4ec..84d2b58 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 4857 .
+# From configure.ac Revision: 4913 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for simgrid 3.3-cvs.
 #
@@ -24518,6 +24518,130 @@ fi
 
 
 if test x$pthread = xyes ; then
+  { echo "$as_me:$LINENO: checking for sem_init in -lpthread" >&5
+echo $ECHO_N "checking for sem_init in -lpthread... $ECHO_C" >&6; }
+if test "${ac_cv_lib_pthread_sem_init+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpthread  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char sem_init ();
+int
+main ()
+{
+return sem_init ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+        test -z "$ac_c_werror_flag" ||
+        test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  ac_cv_lib_pthread_sem_init=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_cv_lib_pthread_sem_init=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_pthread_sem_init" >&5
+echo "${ECHO_T}$ac_cv_lib_pthread_sem_init" >&6; }
+if test $ac_cv_lib_pthread_sem_init = yes; then
+  HAVE_SEM_INIT=yes
+else
+  HAVE_SEM_INIT=no
+fi
+
+  if test ${HAVE_SEM_INIT} = yes ; then
+     { echo "$as_me:$LINENO: checking if sem_init is compilable" >&5
+echo $ECHO_N "checking if sem_init is compilable... $ECHO_C" >&6; }
+     cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <semaphore.h>
+int
+main ()
+{
+sem_t s; sem_init(&s);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+        test -z "$ac_c_werror_flag" ||
+        test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  HAVE_SEM_INIT=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       HAVE_SEM_INIT=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+     if test ${HAVE_SEM_INIT} = yes ; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_SEM_INIT 1
+_ACEOF
+
+        { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+     else
+       { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+     fi
+  fi
   { echo "$as_me:$LINENO: checking for sem_timedwait in -lpthread" >&5
 echo $ECHO_N "checking for sem_timedwait in -lpthread... $ECHO_C" >&6; }
 if test "${ac_cv_lib_pthread_sem_timedwait+set}" = set; then
@@ -24863,152 +24987,7 @@ echo "${ECHO_T}no working ucontext found. Try pthreads as a fallback" >&6; }
 fi
 
 if test "x$with_context" = "xpthread"; then
-
-for ac_header in pthread.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  { echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-ac_res=`eval echo '${'$as_ac_Header'}'`
-              { echo "$as_me:$LINENO: result: $ac_res" >&5
-echo "${ECHO_T}$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-        test -z "$ac_c_werror_flag" ||
-        test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-       ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-        test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-        test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -f conftest.err conftest.$ac_ext
-{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-    ( cat <<\_ASBOX
-## -------------------------------------------------- ##
-## Report this to simgrid-devel@lists.gforge.inria.fr ##
-## -------------------------------------------------- ##
-_ASBOX
-     ) | sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-{ echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-ac_res=`eval echo '${'$as_ac_Header'}'`
-              { echo "$as_me:$LINENO: result: $ac_res" >&5
-echo "${ECHO_T}$ac_res" >&6; }
-
-fi
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-  if test x$pthread != xyes ; then
+  if test x$pthread != xyes ; then # reuse previous checks
     { { echo "$as_me:$LINENO: error: Cannot find pthreads (try --with-context=ucontext if you haven't already tried)." >&5
 echo "$as_me: error: Cannot find pthreads (try --with-context=ucontext if you haven't already tried)." >&2;}
    { (exit 1); exit 1; }; }

diff --git a/configure.ac b/configure.ac
index 25a5cba..2c34afd 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -99,6 +99,18 @@ AC_CHECK_HEADERS([pthread.h])
 AC_CHECK_LIB(pthread,pthread_create,pthread=yes, pthread=no)
 
 if test x$pthread = xyes ; then
+  AC_CHECK_LIB(pthread, sem_init, HAVE_SEM_INIT=yes, HAVE_SEM_INIT=no)
+  if test ${HAVE_SEM_INIT} = yes ; then
+     AC_MSG_CHECKING(if sem_init is compilable)
+     AC_TRY_COMPILE([#include <semaphore.h>],
+                   [sem_t s; sem_init(&s);], HAVE_SEM_INIT=yes, HAVE_SEM_INIT=no)
+     if test ${HAVE_SEM_INIT} = yes ; then
+        AC_DEFINE([HAVE_SEM_INIT],1,[Define if sem_init() is avaible or not (part of XPG6 standard only)])
+        AC_MSG_RESULT(yes)
+     else
+       AC_MSG_RESULT(no)
+     fi
+  fi
   AC_CHECK_LIB(pthread, sem_timedwait, HAVE_SEM_TIMEDWAIT=yes, HAVE_SEM_TIMEDWAIT=no)
   if test ${HAVE_SEM_TIMEDWAIT} = yes ; then
      AC_MSG_CHECKING(if sem_timedwait is compilable)
@@ -190,8 +202,7 @@ if test "x$with_context" = "xucontext" ; then
 fi
 
 if test "x$with_context" = "xpthread"; then
-  AC_CHECK_HEADERS([pthread.h])
-  if test x$pthread != xyes ; then
+  if test x$pthread != xyes ; then # reuse previous checks
     AC_MSG_ERROR([[Cannot find pthreads (try --with-context=ucontext if you haven't already tried).]])
   fi
   AC_DEFINE([CONTEXT_THREADS],1,[Define if xbt contexts are based on our threads implementation or not])

diff --git a/src/gras_config.h.in b/src/gras_config.h.in
index d2edc28..2ffed4b 100644 (file)
--- a/src/gras_config.h.in
+++ b/src/gras_config.h.in
@@ -86,6 +86,10 @@
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H
 
+/* Define if pthread_mutex_timedlock() is avaible or not (part of XPG6
+   standard only?) */
+#undef HAVE_MUTEX_TIMEDLOCK
+
 /* Define to 1 if you have the `popen' function. */
 #undef HAVE_POPEN
 
@@ -98,8 +102,10 @@
 /* Indicates whether we have the CSDP library or not */
 #undef HAVE_SDP
 
-/* Define if the sem_timedwait is avaible or not (part of XPG6 standard only)
-   */
+/* Define if sem_init() is avaible or not (part of XPG6 standard only) */
+#undef HAVE_SEM_INIT
+
+/* Define if sem_timedwait() is avaible or not (part of XPG6 standard only) */
 #undef HAVE_SEM_TIMEDWAIT
 
 /* Define to 1 if you have the `signal' function. */