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Separate blocking push & pop.

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This commit is contained in:
Patrick Pelissier committed 2017-11-29 22:38:54 +01:00
1 parent 6a1c23c16f
commit 8cab91933f
1 file changed
+8 -6
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m-buffer.h
+8 -6
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@@ -32,10 +32,12 @@
/* Define the different kind of policy a buffer can have. */
typedef enum {
BUFFER_QUEUE = 0, BUFFER_STACK = 1,
BUFFER_BLOCKING = 0, BUFFER_UNBLOCKING = 2,
BUFFER_THREAD_SAFE = 0, BUFFER_THREAD_UNSAFE = 4,
BUFFER_PUSH_INIT_POP_MOVE = 8,
BUFFER_PUSH_OVERWRITE = 16
BUFFER_BLOCKING_PUSH = 0, BUFFER_UNBLOCKING_PUSH = 2,
BUFFER_BLOCKING_POP = 0, BUFFER_UNBLOCKING_POP = 4,
BUFFER_BLOCKING = 0, BUFFER_UNBLOCKING = 6,
BUFFER_THREAD_SAFE = 0, BUFFER_THREAD_UNSAFE = 8,
BUFFER_PUSH_INIT_POP_MOVE = 16,
BUFFER_PUSH_OVERWRITE = 32
} buffer_policy_e;
/* Define a buffer.
@@ -207,7 +209,7 @@ M_C(name, _init)(buffer_t v, size_t size) \
m_mutex_lock(v->mutex); \
while (!BUFFERI_POLICY_P((policy), BUFFER_PUSH_OVERWRITE) \
&& M_C(name, _full_p)(v)) { \
if (BUFFERI_POLICY_P((policy), BUFFER_UNBLOCKING)) { \
if (BUFFERI_POLICY_P((policy), BUFFER_UNBLOCKING_PUSH)) { \
m_mutex_unlock(v->mutex); \
return false; \
} \
@@ -267,7 +269,7 @@ M_C(name, _init)(buffer_t v, size_t size) \
if (!BUFFERI_POLICY_P((policy), BUFFER_THREAD_UNSAFE)) { \
m_mutex_lock(v->mutex); \
while (M_C(name, _empty_p)(v)) { \
if (BUFFERI_POLICY_P((policy), BUFFER_UNBLOCKING)) { \
if (BUFFERI_POLICY_P((policy), BUFFER_UNBLOCKING_POP)) { \
m_mutex_unlock(v->mutex); \
return false; \
} \