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