[riot-notifications] [RIOT-OS/RIOT] gnrc/sock: recv avoid spinning xtimer (#16831)

Karl Fessel notifications at github.com
Thu Sep 9 15:53:22 CEST 2021

### Contribution description

avoid spinning xtimer on socket receive with short timeout by increasing the timeout to XTIMER_BACKOFF

### Testing procedure

run benchmark_udp with short intervalls

### Issues/PRs references

Fixes #16808

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-- Commit Summary --

  * gnrc/sock: recv avoid spinning xtimer

-- File Changes --

    M sys/net/gnrc/sock/gnrc_sock.c (6)

-- Patch Links --


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