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Do not assume futex(2) is always returning an errno value.

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In the case of FUTEX_WAKE a number of woken threads is returned.

ok guenther@
This commit is contained in:
mpi
2020-04-05 08:32:14 +00:00
parent 354feef18d
commit eb22a0da95
1 changed files with 1 additions and 2 deletions
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3
usr.bin/kdump/kdump.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: kdump.c,v 1.142 2020/04/05 07:31:45 visa Exp $ */
/* $OpenBSD: kdump.c,v 1.143 2020/04/05 08:32:14 mpi Exp $ */
/*-
* Copyright (c) 1988, 1993
@@ -1128,7 +1128,6 @@ doerr:
/* syscalls that return errno values */
case SYS_getlogin_r:
case SYS___thrsleep:
case SYS_futex:
if ((error = ret) != 0)
goto doerr;
/* FALLTHROUGH */