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Add blocking methods for concurrent container.

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Patrick Pelissier committed 2018-10-29 11:18:20 +01:00
1 parent 02d4bf0e09
commit 4691f95b73
1 file changed
+49
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m-concurrent.h
+49
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@@ -47,6 +47,7 @@
\
typedef struct M_C(name, _s) { \
m_mutex_t lock; \
m_cond_t there_is_data; /* condition raised when there is data */ \
type data; \
} concurrent_t[1]; \
\
@@ -60,6 +61,7 @@
M_C(name, _init)(concurrent_t out) \
{ \
m_mutex_init(out->lock); \
m_cond_init(out->there_is_data); \
M_CALL_INIT(oplist, out->data); \
} \
,) \
@@ -69,6 +71,7 @@
M_C(name, _init_set)(concurrent_t out, concurrent_t src) \
{ \
m_mutex_init(out->lock); \
m_cond_init(out->there_is_data); \
m_mutex_lock (src->lock); \
M_CALL_INIT_SET(oplist, out->data, src->data); \
m_mutex_unlock(src->lock); \
@@ -104,6 +107,7 @@
/* No need to lock */ \
M_CALL_CLEAR(oplist, out->data); \
m_mutex_clear (out->lock); \
m_cond_clear(out->there_is_data); \
} \
,) \
\
@@ -113,8 +117,10 @@
{ \
/* No need to lock 'src' ? */ \
m_mutex_init (out->lock); \
m_cond_init (out->there_is_data); \
M_CALL_INIT_MOVE(oplist, out->data, src->data); \
m_mutex_clear (src->lock); \
m_cond_clear (src->there_is_data); \
} \
,) \
\
@@ -127,6 +133,7 @@
M_CALL_MOVE(oplist, out->data, src->data); \
m_mutex_unlock (out->lock); \
m_mutex_clear (src->lock); \
m_cond_clear (src->there_is_data); \
} \
,) \
\
@@ -168,6 +175,7 @@
{ \
m_mutex_lock (out->lock); \
M_CALL_SET_KEY(oplist, out->data, key, data); \
m_cond_broadcast(out->there_is_data); \
m_mutex_unlock (out->lock); \
} \
,) \
@@ -215,6 +223,7 @@
{ \
m_mutex_lock (out->lock); \
M_CALL_PUSH(oplist, out->data, data); \
m_cond_broadcast(out->there_is_data); \
m_mutex_unlock (out->lock); \
} \
,) \
@@ -235,6 +244,7 @@
{ \
m_mutex_lock (out->lock); \
M_CALL_PUSH_MOVE(oplist, out->data, data); \
m_cond_broadcast(out->there_is_data); \
m_mutex_unlock (out->lock); \
} \
,) \
@@ -312,6 +322,45 @@
} \
return b; \
} \
,) \
\
M_IF_METHOD(GET_KEY, oplist)( \
static inline bool \
M_C(name, _get_blocking)(M_GET_VALUE_TYPE oplist *out_data, concurrent_t out, M_GET_KEY_TYPE oplist key, bool blocking) \
{ \
bool ret = false; \
m_mutex_lock (out->lock); \
while (blocking) { \
M_GET_VALUE_TYPE oplist *p = M_CALL_GET_KEY(oplist, out->data, key); \
if (p != NULL) { \
M_CALL_SET(M_GET_VALUE_OPLIST oplist, *out_data, *p); \
ret = true; \
break; \
} \
m_cond_wait(out->there_is_data, out->lock); \
} \
m_mutex_unlock (out->lock); \
return ret; \
} \
,) \
\
M_IF_METHOD2(POP, TEST_EMPTY, oplist)( \
static inline bool \
M_C(name, _pop_blocking)(M_GET_SUBTYPE oplist *p, concurrent_t out, bool blocking) \
{ \
bool ret = false; \
m_mutex_lock (out->lock); \
while (blocking) { \
if (!M_CALL_TEST_EMPTY(oplist, out->data)) { \
M_CALL_POP(oplist, p, out->data); \
ret = true; \
break; \
} \
m_cond_wait(out->there_is_data, out->lock); \
} \
m_mutex_unlock (out->lock); \
return ret; \
} \
,) \
#endif