git.ipfire.org Git - thirdparty/openembedded/openembedded-core-contrib.git/blob

   1 From 5827f6389a227157958d14a687fb29223cb3a03a Mon Sep 17 00:00:00 2001
   2 From: Mingli Yu <mingli.yu@windriver.com>
   3 Date: Wed, 7 Apr 2021 07:48:42 +0000
   4 Subject: [PATCH] xshmfence_futex.h: Define SYS_futex if it does not exist
   5
   6 _NR_futex is not defines by newer architectures e.g. riscv32 as
   7 they only have 64bit variant of time_t. Glibc defines SYS_futex
   8 interface based on __NR_futex, since this is used in applications,
   9 such applications start to fail to build for these newer architectures.
  10 This patch defines a fallback to alias __NR_futex to __NR_futex_time64
  11 to make SYS_futex keep working.
  12
  13 Reference: https://git.openembedded.org/openembedded-core/commit/?id=7a218adf9990f5e18d0b6a33eb34091969f979c7
  14
  15 Upstream-Status: Pending
  16
  17 Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
  18 ---
  19  src/xshmfence_futex.h | 4 ++++
  20  1 file changed, 4 insertions(+)
  21
  22 diff --git a/src/xshmfence_futex.h b/src/xshmfence_futex.h
  23 index 673ac0e..a71efa5 100644
  24 --- a/src/xshmfence_futex.h
  25 +++ b/src/xshmfence_futex.h
  26 @@ -53,6 +53,10 @@ static inline int futex_wait(int32_t *addr, int32_t value) {
  27  #include <sys/time.h>
  28  #include <sys/syscall.h>
  29
  30 +#if !defined(SYS_futex) && defined(SYS_futex_time64)
  31 +#define SYS_futex SYS_futex_time64
  32 +#endif
  33 +
  34  static inline long sys_futex(void *addr1, int op, int val1, struct timespec *timeout, void *addr2, int val3)
  35  {
  36         return syscall(SYS_futex, addr1, op, val1, timeout, addr2, val3);
  37 --
  38 2.29.2
  39