From 75b554579b4e962e2c02053129a37611a2dc9133 Mon Sep 17 00:00:00 2001 From: Mike Gilbert Date: Mon, 14 Sep 2015 18:55:09 -0400 Subject: 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(+) (limited to 'src/basic/missing.h') diff --git a/src/basic/missing.h b/src/basic/missing.h index dc1f244d4c..371ef8a862 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 -- cgit v1.2.3-54-g00ecf