b0b9e94900
Hopefully this will fix the problems joerg@ and others encountered last time gmake was updated to 4.2.1. Description of the patch: [SV 51159] Use a non-blocking read with pselect to avoid hangs. * posixos.c (set_blocking): Set blocking on a file descriptor. (jobserver_setup): Set non-blocking on the jobserver read side. (jobserver_parse_auth): Ditto. (jobserver_acquire_all): Set blocking to avoid a busy-wait loop. (jobserver_acquire): If the non-blocking read() returns without taking a token then try again. |
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