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Detect availability of pthread_rwlock_timedwrlock() before using it.

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(closes issue #14930)
 Reported by: tilghman
 Patches: 
       20090420__bug14930.diff.txt uploaded by tilghman (license 14)
 Tested by: mvanbaak, tilghman


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@190092 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2009-04-22 21:35:03 +00:00
parent a1b5f4a67d
commit c922eca9a8
4 changed files with 171 additions and 7 deletions
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21
configure.ac
View File

@@ -325,6 +325,27 @@ AC_LINK_IFELSE(
AC_MSG_RESULT(no)
)
AC_MSG_CHECKING(for pthread_rwlock_timedwrlock() in pthread.h)
saved_LDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -lpthread"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <pthread.h>
#include <time.h>],
[pthread_rwlock_t foo; struct timespec bar; pthread_rwlock_timedwrlock(&foo, &bar)])
],[
AC_MSG_RESULT(yes)
ac_cv_pthread_rwlock_timedwrlock="yes"
],[
AC_MSG_RESULT(no)
ac_cv_pthread_rwlock_timedwrlock="no"
]
)
LDFLAGS="${saved_LDFLAGS}"
if test "${ac_cv_pthread_rwlock_timedwrlock}" = "yes"; then
AC_DEFINE([HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK], 1, [Define if your system has pthread_rwlock_timedwrlock()])
fi
AC_MSG_CHECKING(for compiler atomic operations)
AC_LINK_IFELSE(
AC_LANG_PROGRAM([], [int foo1; int foo2 = __sync_fetch_and_add(&foo1, 1);]),