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Made lwip timeout measurements accurate by no longer returning 1 millisecond

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whenever sys_arch_mbox_wait() and sys_arch_sem_wait() get a message or
semaphore immediately. Updated documentation for this change.
Unix port and Coldfire port have been updated.
This commit is contained in:
davidhaas
2003-03-28 20:46:40 +00:00
parent c4ff244c4e
commit 2e0829fb5a
2 changed files with 18 additions and 21 deletions
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20
src/core/sys.c
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@@ -64,11 +64,11 @@ sys_mbox_fetch(sys_mbox_t mbox, void **msg)
if(timeouts->next->time > 0) {
time = sys_arch_mbox_fetch(mbox, msg, timeouts->next->time);
} else {
time = 0;
time = 0xffffffff;
}
if(time == 0) {
/* If time == 0, a timeout occured before a message could be
if(time == 0xffffffff) {
/* If time == 0xffffffff, a timeout occured before a message could be
fetched. We should now call the timeout handler and
deallocate the memory allocated for the timeout. */
tmptimeout = timeouts->next;
@@ -84,9 +84,9 @@ sys_mbox_fetch(sys_mbox_t mbox, void **msg)
/* We try again to fetch a message from the mbox. */
goto again;
} else {
/* If time > 0, a message was received before the timeout
/* If time != 0xffffffff, a message was received before the timeout
occured. The time variable is set to the number of
microseconds we waited for the message. */
milliseconds we waited for the message. */
if(time <= timeouts->next->time) {
timeouts->next->time -= time;
} else {
@@ -119,11 +119,11 @@ sys_sem_wait(sys_sem_t sem)
if(timeouts->next->time > 0) {
time = sys_arch_sem_wait(sem, timeouts->next->time);
} else {
time = 0;
time = 0xffffffff;
}
if(time == 0) {
/* If time == 0, a timeout occured before a message could be
if(time == 0xffffffff) {
/* If time == 0xffffffff, a timeout occured before a message could be
fetched. We should now call the timeout handler and
deallocate the memory allocated for the timeout. */
tmptimeout = timeouts->next;
@@ -140,9 +140,9 @@ sys_sem_wait(sys_sem_t sem)
/* We try again to fetch a message from the mbox. */
goto again;
} else {
/* If time > 0, a message was received before the timeout
/* If time != 0xffffffff, a message was received before the timeout
occured. The time variable is set to the number of
microseconds we waited for the message. */
milliseconds we waited for the message. */
if(time <= timeouts->next->time) {
timeouts->next->time -= time;
} else {