Ettore Di Giacinto
32 lines
942 B
Diff
32 lines
942 B
Diff
From 75b554579b4e962e2c02053129a37611a2dc9133 Mon Sep 17 00:00:00 2001
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From: Mike Gilbert <floppym@gentoo.org>
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Date: Mon, 14 Sep 2015 18:55:09 -0400
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Subject: [PATCH] Add fallback for kcmp() in case __NR_kcmp is undefined
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IA64 is missing this syscall as of linux-4.2.
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This works around it until the necessary kernel patch gets merged.
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---
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src/basic/missing.h | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/src/basic/missing.h b/src/basic/missing.h
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index dc1f244..371ef8a 100644
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--- a/src/basic/missing.h
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+++ b/src/basic/missing.h
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@@ -1028,7 +1028,12 @@ static inline int renameat2(int oldfd, const char *oldname, int newfd, const cha
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#if !HAVE_DECL_KCMP
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static inline int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
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+#if defined(__NR_kcmp)
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return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
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+#else
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+ errno = ENOSYS;
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+ return -1;
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+#endif
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}
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#endif
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--
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2.6.4
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