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logger: rtt backend don't let starve others in blocking mode

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When a RTT logger backend is configured to blocks, allow other threads
to continue during waiting for data to be transferred to host.

Signed-off-by: Pavel Kral <pavel.kral@omsquare.com>
This commit is contained in:
Pavel Kral 2018-11-02 10:33:31 +01:00 • committed by Anas Nashif
commit e781997450
1 changed files with 3 additions and 1 deletions
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4
subsys/logging/log_backend_rtt.c
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@ -224,7 +224,9 @@ static void panic(struct log_backend const *const backend)
static void log_backend_rtt_flush(void) static void log_backend_rtt_flush(void)
{ {
while (SEGGER_RTT_HasDataUp(CONFIG_LOG_BACKEND_RTT_BUFFER)) { while (SEGGER_RTT_HasDataUp(CONFIG_LOG_BACKEND_RTT_BUFFER)) {
/* pass */ if (!panic_mode) {
k_yield();
}
} }
} }