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Add throttle support to the I/O buffer logic

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This commit is contained in:
Gregory Nutt
2014-06-24 11:53:19 -06:00
parent f9f9244143
commit e9a588c398
25 changed files with 161 additions and 59 deletions
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net/iob/iob_initialize.c
+6 -3
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@@ -39,7 +39,7 @@
#include <nuttx/config.h>
#if defined(CONFIG_DEBUG) && defined(CONFIG_NET_IOB_DEBUG)
#if defined(CONFIG_DEBUG) && defined(CONFIG_IOB_DEBUG)
/* Force debug output (from this file only) */
# undef CONFIG_DEBUG_NET
@@ -88,9 +88,12 @@ FAR struct iob_qentry_s *g_iob_freeqlist;
/* Counting semaphores that tracks the number of free IOBs/qentries */
sem_t g_iob_sem;
sem_t g_iob_sem; /* Counts free I/O buffers */
#if CONFIG_IOB_THROTTLE > 0
sem_t g_throttle_sem; /* Counts available I/O buffers when throttled */
#endif
#if CONFIG_IOB_NCHAINS > 0
sem_t g_qentry_sem;
sem_t g_qentry_sem; /* Counts free I/O buffer queue containers */
#endif
/****************************************************************************