src/cf/pthread.m4

   1 AC_DEFUN([OPENAFS_PTHREAD_CHECKS],
   2 [PTHREAD_LIBS=error
   3 AS_IF([test "x$MKAFS_OSTYPE" = OBSD],
   4   [PTHREAD_LIBS="-pthread"])
   5 AS_IF([test "x$MKAFS_OSTYPE" = xDFBSD],
   6   [PTHREAD_LIBS="-pthread"])
   7 AS_IF([test "x$PTHREAD_LIBS" = xerror],
   8   [AC_CHECK_LIB([pthread], [pthread_attr_init],
   9                 [PTHREAD_LIBS="-lpthread"])])
  10 AS_IF([test "x$PTHREAD_LIBS" = xerror],
  11   [AC_CHECK_LIB([pthreads], [pthread_attr_init],
  12                 [PTHREAD_LIBS="-lpthreads"])])
  13 AS_IF([test "x$PTHREAD_LIBS" = xerror],
  14   [AC_CHECK_LIB([c_r], [pthread_attr_init],
  15                 [PTHREAD_LIBS="-lc_r"])])
  16 AS_IF([test "x$PTHREAD_LIBS" = xerror],
  17   [AC_CHECK_FUNC([pthread_attr_init], [PTHREAD_LIBS=""])])
  18 AS_IF([test "x$PTHREAD_LIBS" = xerror],
  19   [# pthread_attr_init is a macro under HPUX 11.0 and 11.11
  20    AC_CHECK_LIB([pthread], [pthread_attr_destroy],
  21                 [PTHREAD_LIBS="-lpthread"])])
  22 AS_IF([test "x$PTHREAD_LIBS" = xerror],
  23   [AC_MSG_WARN([*** Unable to locate working posix thread library ***])])
  24 AC_SUBST([PTHREAD_LIBS])
  25 ]) # OPENAFS_PTHREADS_CHECKS
  26
  27 AC_DEFUN([OPENAFS_MORE_PTHREAD_CHECKS],
  28 [dnl Look for "non-portable" pthreads functions.
  29 save_LIBS="$LIBS"
  30 LIBS="$LIBS $PTHREAD_LIBS"
  31 AC_CHECK_FUNCS([ \
  32   pthread_set_name_np \
  33   pthread_setname_np \
  34 ])
  35 dnl Sadly, there are three different versions of pthread_setname_np.
  36 dnl Try to cater for all of them.
  37 AS_IF([test "$ac_cv_func_pthread_setname_np" = "yes"],
  38   [AC_MSG_CHECKING([for signature of pthread_setname_np])
  39   AC_COMPILE_IFELSE(
  40     [AC_LANG_PROGRAM(
  41       [#include <pthread.h>
  42        #ifdef HAVE_PTHREAD_NP_H
  43        #include <pthread_np.h>
  44        #endif],
  45       [pthread_setname_np(pthread_self(), "test", (void *)0)])],
  46     [AC_MSG_RESULT([three arguments])
  47      pthread_setname_np_args=3],
  48     [AC_COMPILE_IFELSE(
  49       [AC_LANG_PROGRAM(
  50         [#include <pthread.h>
  51          #ifdef HAVE_PTHREAD_NP_H
  52          #include <pthread_np.h>
  53          #endif],
  54         [pthread_setname_np(pthread_self(), "test")])],
  55       [AC_MSG_RESULT([two arguments])
  56        pthread_setname_np_args=2],
  57       [AC_COMPILE_IFELSE(
  58         [AC_LANG_PROGRAM(
  59           [#include <pthread.h>
  60            #ifdef HAVE_PTHREAD_NP_H
  61            #include <pthread_np.h>
  62            #endif],
  63           [pthread_setname_np("test")])],
  64           [AC_MSG_RESULT([one argument])
  65            pthread_setname_np_args=1],
  66           [pthread_setname_np_args=0])])])
  67   AC_DEFINE_UNQUOTED(
  68     [PTHREAD_SETNAME_NP_ARGS],
  69     [$pthread_setname_np_args],
  70     [Number of arguments required by pthread_setname_np() function])])
  71 ]) # OPENAFS_MORE_PTHREAD_CHECKS