Merged revisions 70908,70939,71009,71022,71036 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r70908 | jesse.noller | 2009-03-31 17:20:35 -0500 (Tue, 31 Mar 2009) | 1 line

  Issue 5619: Pass MS CRT debug flags into subprocesses
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  r70939 | jesse.noller | 2009-03-31 22:45:50 -0500 (Tue, 31 Mar 2009) | 1 line

  Fix multiprocessing.event to match the new threading.Event API
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  r71009 | jesse.noller | 2009-04-01 19:03:28 -0500 (Wed, 01 Apr 2009) | 1 line

  issue5545: Switch to Autoconf for multiprocessing; special thanks to Martin Lowis for help
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  r71022 | jesse.noller | 2009-04-01 21:32:55 -0500 (Wed, 01 Apr 2009) | 1 line

  Issue 3110: Additional protection for SEM_VALUE_MAX on platforms, thanks to Martin Loewis
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  r71036 | jesse.noller | 2009-04-01 23:22:09 -0500 (Wed, 01 Apr 2009) | 1 line

  Issue 3551: Raise ValueError if the size causes ERROR_NO_SYSTEM_RESOURCES
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1 files changed, 29 insertions, 1 deletions

diff --git a/configure.in b/configure.in
index aed3e14..40fa044 100644
--- a/configure.in
+++ b/configure.in
@@ -2388,7 +2388,8 @@ AC_CHECK_FUNCS(alarm setitimer getitimer bind_textdomain_codeset chown \
  kill killpg lchmod lchown lstat mkfifo mknod mktime \
  mremap nice pathconf pause plock poll pthread_init \
  putenv readlink realpath \
- select setegid seteuid setgid \
+ select sem_open sem_timedwait sem_getvalue sem_unlink setegid seteuid \
+ setgid \
  setlocale setregid setreuid setsid setpgid setpgrp setuid setvbuf snprintf \
  sigaction siginterrupt sigrelse strftime strlcpy \
  sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
@@ -3108,6 +3109,33 @@ then
   [Define if arithmetic is subject to x87-style double rounding issue])
 fi
 
+# Multiprocessing check for broken sem_getvalue
+AC_MSG_CHECKING(for broken sem_getvalue)
+AC_TRY_RUN([
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <semaphore.h>
+#include <sys/stat.h>
+
+int main(void){
+  sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0);
+  int count;
+  int res;
+  if(a==SEM_FAILED){
+    perror("sem_open");
+    return 1;
+
+  }
+  res = sem_getvalue(a, &count);
+  sem_close(a);
+  return res==-1 ? 1 : 0;
+}
+]
+,AC_MSG_RESULT(no),
+ AC_MSG_RESULT(yes)
+  AC_DEFINE(HAVE_BROKEN_SEM_GETVALUE, 1, define to 1 if your sem_getvalue is broken.)
+)
 
 # On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of
 # -0. on some architectures.