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wpa_ctrl: Retry select() on EINTR

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Retry select() if it was interrupted by a signal.

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
This commit is contained in:
Jörg Krause 2016-01-26 16:28:53 +01:00 • committed by Jouni Malinen
parent df9e2c2a55
commit 70f4f052f1
1 changed files with 2 additions and 0 deletions
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2
src/common/wpa_ctrl.c
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@ -532,6 +532,8 @@ retry_send:
FD_ZERO(&rfds); FD_ZERO(&rfds);
FD_SET(ctrl->s, &rfds); FD_SET(ctrl->s, &rfds);
res = select(ctrl->s + 1, &rfds, NULL, NULL, &tv); res = select(ctrl->s + 1, &rfds, NULL, NULL, &tv);
if (res < 0 && errno == EINTR)
continue;
if (res < 0) if (res < 0)
return res; return res;
if (FD_ISSET(ctrl->s, &rfds)) { if (FD_ISSET(ctrl->s, &rfds)) {