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add eina barrier stuff. 

SVN revision: 78099
This commit is contained in:
Carsten Haitzler 2012-10-17 03:55:24 +00:00
parent b09c303d52
commit 80f71e4393
3 changed files with 55 additions and 1 deletions
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5
legacy/eina/configure.ac
View File

@ -104,7 +104,11 @@ EFL_CHECK_THREADS
if ! test "x${efl_have_threads}" = "xno" ; then
EINA_CONFIGURE_HAVE_THREADS="#define EINA_HAVE_THREADS"
fi
if ! test "x${efl_have_pthread_barrier}" = "xno" ; then
EINA_CONFIGURE_HAVE_PTHREAD_BARRIER="#define EINA_HAVE_PTHREAD_BARRIER"
fi
AC_SUBST(EINA_CONFIGURE_HAVE_THREADS)
AC_SUBST(EINA_CONFIGURE_HAVE_PTHREAD_BARRIER)
AM_CONDITIONAL([EINA_HAVE_THREADS], [! test "x${efl_have_threads}" = "xno"])
if test "x${efl_have_debug_threads}" = "xyes"; then
@ -616,6 +620,7 @@ echo " Log support..........: ${enable_log}"
echo " Thread Support.......: ${efl_have_threads}"
if test "${efl_have_threads}" = "POSIX" ; then
echo " spinlock...........: ${efl_have_posix_threads_spinlock}"
echo " barrier............: ${efl_have_pthread_barrier}"
echo " debug usage........: ${efl_have_debug_threads}"
echo " on/off support.....: ${efl_have_on_off_threads}"
fi

3
legacy/eina/src/include/Makefile.am
View File

@ -64,7 +64,8 @@ eina_refcount.h \
eina_mmap.h \
eina_xattr.h \
eina_value.h \
eina_inline_value.x
eina_inline_value.x \
eina_inline_lock_barrier.x
# Will be back for developper after 1.2.
# eina_model.h

48
legacy/eina/src/include/eina_inline_lock_barrier.x Normal file
View File

@ -0,0 +1,48 @@
typedef struct _Eina_Barrier Eina_Barrier;
struct _Eina_Barrier
{
int needed, called;
Eina_Lock lock, cond_lock;
Eina_Condition cond;
};
static inline Eina_Bool
eina_barrier_new(Eina_Barrier *barrier, int needed)
{
barrier->needed = needed;
barrier->called = 0;
if (!eina_lock_new(&(barrier->lock)))
return EINA_FALSE;
if (!eina_lock_new(&(barrier->cond_lock)))
return EINA_FALSE;
if (!eina_condition_new(&(barrier->cond), &(barrier->cond_lock)))
return EINA_FALSE;
return EINA_TRUE;
}
static inline void
eina_barrier_free(Eina_Barrier *barrier)
{
eina_condition_free(&(barrier->cond));
eina_lock_free(&(barrier->cond_lock));
eina_lock_free(&(barrier->lock));
barrier->needed = 0;
barrier->called = 0;
}
static inline Eina_Bool
eina_barrier_wait(Eina_Barrier *barrier)
{
eina_lock_take(&(barrier->lock));
barrier->called++;
if (barrier->called == barrier->needed)
{
barrier->called = 0;
eina_condition_broadcast(&(barrier->cond));
}
else
eina_condition_wait(&(barrier->cond));
eina_lock_release(&(barrier->lock));
return EINA_TRUE;
}