Fix the issue of byte pool alloc fail when compile with -O3 optimization

yuhaiping · yuhaiping · commit ea8d77e9d7d2 · 2024-02-28T19:11:47.000+08:00
eclipse-threadx#334
diff --git a/common/inc/tx_byte_pool.h b/common/inc/tx_byte_pool.h
@@ -101,7 +101,7 @@ VOID        _tx_byte_pool_initialize(VOID);
 
 /* Define internal byte memory pool management function prototypes.  */
 
-UCHAR       *_tx_byte_pool_search(TX_BYTE_POOL *pool_ptr, ULONG memory_size);
+UCHAR       *_tx_byte_pool_search(volatile TX_BYTE_POOL *pool_ptr, ULONG memory_size);
 VOID        _tx_byte_pool_cleanup(TX_THREAD *thread_ptr, ULONG suspension_sequence);
 
 
diff --git a/common/src/tx_byte_pool_search.c b/common/src/tx_byte_pool_search.c
@@ -83,7 +83,7 @@
 /*                                            resulting in version 6.1.7  */
 /*                                                                        */
 /**************************************************************************/
-UCHAR  *_tx_byte_pool_search(TX_BYTE_POOL *pool_ptr, ULONG memory_size)
+UCHAR  *_tx_byte_pool_search(volatile TX_BYTE_POOL *pool_ptr, ULONG memory_size)
 {
 
 TX_INTERRUPT_SAVE_AREA
diff --git a/common_smp/inc/tx_byte_pool.h b/common_smp/inc/tx_byte_pool.h
@@ -101,7 +101,7 @@ VOID        _tx_byte_pool_initialize(VOID);
 
 /* Define internal byte memory pool management function prototypes.  */
 
-UCHAR       *_tx_byte_pool_search(TX_BYTE_POOL *pool_ptr, ULONG memory_size);
+UCHAR       *_tx_byte_pool_search(volatile TX_BYTE_POOL *pool_ptr, ULONG memory_size);
 VOID        _tx_byte_pool_cleanup(TX_THREAD *thread_ptr, ULONG suspension_sequence);
 
 
diff --git a/common_smp/src/tx_byte_pool_search.c b/common_smp/src/tx_byte_pool_search.c
@@ -84,7 +84,7 @@
 /*                                            resulting in version 6.3.0  */
 /*                                                                        */
 /**************************************************************************/
-UCHAR  *_tx_byte_pool_search(TX_BYTE_POOL *pool_ptr, ULONG memory_size)
+UCHAR  *_tx_byte_pool_search(volatile TX_BYTE_POOL *pool_ptr, ULONG memory_size)
 {
 
 TX_INTERRUPT_SAVE_AREA

Original file line number	Diff line number	Diff line change
`@@ -83,7 +83,7 @@`
`83`	`83`	`/* resulting in version 6.1.7 */`
`84`	`84`	`/* */`
`85`	`85`	`/**************************************************************************/`
`86`		`-UCHAR _tx_byte_pool_search(TX_BYTE_POOL pool_ptr, ULONG memory_size)`
	`86`	`+UCHAR _tx_byte_pool_search(volatile TX_BYTE_POOL pool_ptr, ULONG memory_size)`
`87`	`87`	`{`
`88`	`88`
`89`	`89`	`TX_INTERRUPT_SAVE_AREA`
Original file line number	Diff line number	Diff line change
`@@ -84,7 +84,7 @@`
`84`	`84`	`/* resulting in version 6.3.0 */`
`85`	`85`	`/* */`
`86`	`86`	`/**************************************************************************/`
`87`		`-UCHAR _tx_byte_pool_search(TX_BYTE_POOL pool_ptr, ULONG memory_size)`
	`87`	`+UCHAR _tx_byte_pool_search(volatile TX_BYTE_POOL pool_ptr, ULONG memory_size)`
`88`	`88`	`{`
`89`	`89`
`90`	`90`	`TX_INTERRUPT_SAVE_AREA`