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Merge pull request #5519 from xfwangqiang/lwip_fixed

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[components][net][lwip]fixed the return value for sys_arch_mbox_tryfetch in lwip stack
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guo 2022-01-13 16:02:56 +08:00 committed by GitHub
commit d5072dba67
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4 changed files with 48 additions and 12 deletions
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15
components/net/lwip-1.4.1/src/arch/sys_arch.c
View File

@ -515,10 +515,19 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout)
return tick;
}
/** Wait for a new message to arrive in the mbox
/**
* @ingroup sys_mbox
* This is similar to sys_arch_mbox_fetch, however if a message is not
* present in the mailbox, it immediately returns with the code
* SYS_MBOX_EMPTY. On success 0 is returned.
* To allow for efficient implementations, this can be defined as a
* function-like macro in sys_arch.h instead of a normal function. For
* example, a naive implementation could be:
* \#define sys_arch_mbox_tryfetch(mbox,msg) sys_arch_mbox_fetch(mbox,msg,1)
* although this would introduce unnecessary delays.
*
* @param mbox mbox to get a message from
* @param msg pointer where the message is stored
* @param timeout maximum time (in milliseconds) to wait for a message
* @return 0 (milliseconds) if a message has been received
* or SYS_MBOX_EMPTY if the mailbox is empty
*/
@ -534,7 +543,7 @@ u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
else
{
if (ret == RT_EOK)
ret = 1;
ret = 0;
}
return ret;

15
components/net/lwip-2.0.2/src/arch/sys_arch.c
View File

@ -526,10 +526,19 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout)
return tick;
}
/** Wait for a new message to arrive in the mbox
/**
* @ingroup sys_mbox
* This is similar to sys_arch_mbox_fetch, however if a message is not
* present in the mailbox, it immediately returns with the code
* SYS_MBOX_EMPTY. On success 0 is returned.
* To allow for efficient implementations, this can be defined as a
* function-like macro in sys_arch.h instead of a normal function. For
* example, a naive implementation could be:
* \#define sys_arch_mbox_tryfetch(mbox,msg) sys_arch_mbox_fetch(mbox,msg,1)
* although this would introduce unnecessary delays.
*
* @param mbox mbox to get a message from
* @param msg pointer where the message is stored
* @param timeout maximum time (in milliseconds) to wait for a message
* @return 0 (milliseconds) if a message has been received
* or SYS_MBOX_EMPTY if the mailbox is empty
*/
@ -544,7 +553,7 @@ u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
else
{
if (ret == RT_EOK)
ret = 1;
ret = 0;
}
return ret;

15
components/net/lwip-2.0.3/src/arch/sys_arch.c
View File

@ -526,10 +526,19 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout)
return tick;
}
/** Wait for a new message to arrive in the mbox
/**
* @ingroup sys_mbox
* This is similar to sys_arch_mbox_fetch, however if a message is not
* present in the mailbox, it immediately returns with the code
* SYS_MBOX_EMPTY. On success 0 is returned.
* To allow for efficient implementations, this can be defined as a
* function-like macro in sys_arch.h instead of a normal function. For
* example, a naive implementation could be:
* \#define sys_arch_mbox_tryfetch(mbox,msg) sys_arch_mbox_fetch(mbox,msg,1)
* although this would introduce unnecessary delays.
*
* @param mbox mbox to get a message from
* @param msg pointer where the message is stored
* @param timeout maximum time (in milliseconds) to wait for a message
* @return 0 (milliseconds) if a message has been received
* or SYS_MBOX_EMPTY if the mailbox is empty
*/
@ -544,7 +553,7 @@ u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
else
{
if (ret == RT_EOK)
ret = 1;
ret = 0;
}
return ret;

15
components/net/lwip-2.1.2/src/arch/sys_arch.c
View File

@ -540,10 +540,19 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout)
return tick;
}
/** Wait for a new message to arrive in the mbox
/**
* @ingroup sys_mbox
* This is similar to sys_arch_mbox_fetch, however if a message is not
* present in the mailbox, it immediately returns with the code
* SYS_MBOX_EMPTY. On success 0 is returned.
* To allow for efficient implementations, this can be defined as a
* function-like macro in sys_arch.h instead of a normal function. For
* example, a naive implementation could be:
* \#define sys_arch_mbox_tryfetch(mbox,msg) sys_arch_mbox_fetch(mbox,msg,1)
* although this would introduce unnecessary delays.
*
* @param mbox mbox to get a message from
* @param msg pointer where the message is stored
* @param timeout maximum time (in milliseconds) to wait for a message
* @return 0 (milliseconds) if a message has been received
* or SYS_MBOX_EMPTY if the mailbox is empty
*/
@ -558,7 +567,7 @@ u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
else
{
if (ret == RT_EOK)
ret = 1;
ret = 0;
}
return ret;