[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.0-161-g90fed97

[Andy Wingo]

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http://git.savannah.gnu.org/cgit/guile.git/commit/?id=90fed973abf1d55212d7a43f8450f5fe76d9e6a2

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- Log -----------------------------------------------------------------
commit 90fed973abf1d55212d7a43f8450f5fe76d9e6a2
Author: Andy Wingo <address@hidden>
Date:   Sun Apr 3 22:03:56 2011 +0200

    pthread-threads.h: only redirect to GC_pthread_sigmask if it is present
    
    * configure.ac: Check for pthread_sigmask.
    * libguile/gen-scmconfig.c: Create SCM_HAVE_GC_PTHREAD_SIGMASK.
    * libguile/pthread-threads.h (scm_i_pthread_sigmask): Only redirect to
      GC_pthread_sigmask if GC_pthread_sigmask is present.

-----------------------------------------------------------------------

Summary of changes:
 configure.ac               |    2 +-
 libguile/gen-scmconfig.c   |    6 ++++++
 libguile/pthread-threads.h |    4 ++++
 3 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2fd72a4..45438c8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1238,7 +1238,7 @@ save_LIBS="$LIBS"
 LIBS="$BDW_GC_LIBS $LIBS"
 CFLAGS="$BDW_GC_CFLAGS $CFLAGS"
 
-AC_CHECK_FUNCS([GC_do_blocking GC_call_with_gc_active GC_pthread_exit 
GC_pthread_cancel GC_allow_register_threads])
+AC_CHECK_FUNCS([GC_do_blocking GC_call_with_gc_active GC_pthread_exit 
GC_pthread_cancel GC_allow_register_threads GC_pthread_sigmask])
 
 # Though the `GC_do_blocking ()' symbol is present in GC 7.1, it is not
 # declared, and has a different type (returning void instead of
diff --git a/libguile/gen-scmconfig.c b/libguile/gen-scmconfig.c
index 97066b7..5834346 100644
--- a/libguile/gen-scmconfig.c
+++ b/libguile/gen-scmconfig.c
@@ -330,6 +330,12 @@ main (int argc, char *argv[])
   pf ("#define SCM_HAVE_GC_PTHREAD_EXIT 0 /* 0 or 1 */\n");
 #endif
 
+#ifdef HAVE_GC_PTHREAD_SIGMASK
+  pf ("#define SCM_HAVE_GC_PTHREAD_SIGMASK 1 /* 0 or 1 */\n");
+#else
+  pf ("#define SCM_HAVE_GC_PTHREAD_SIGMASK 0 /* 0 or 1 */\n");
+#endif
+
   pf ("\n\n/*** File system access ***/\n");
 
   pf ("/* Define to 1 if `struct dirent64' is available.  */\n");
diff --git a/libguile/pthread-threads.h b/libguile/pthread-threads.h
index b5fff83..4c67b18 100644
--- a/libguile/pthread-threads.h
+++ b/libguile/pthread-threads.h
@@ -57,7 +57,11 @@
 
 /* Signals
  */
+#if SCM_HAVE_GC_PTHREAD_SIGMASK
 #define scm_i_pthread_sigmask               GC_pthread_sigmask
+#else
+#define scm_i_pthread_sigmask               pthread_sigmask
+#endif
 
 /* Mutexes
  */


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