| From 9a128f32fc277dd0c07bc85c71dc25d123f8a831 Mon Sep 17 00:00:00 2001 |
| From: Christian Brauner <christian.brauner@ubuntu.com> |
| Date: Wed, 4 Aug 2021 21:34:11 +0200 |
| Subject: [PATCH] syscall_wrappers: don't conflict with glibc provided |
| close_range() |
| |
| Newer glibc version's provide a wrapper for close_range(). |
| |
| Fixes: #9084 |
| Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> |
| --- |
| lxd/include/syscall_wrappers.h | 2 +- |
| lxd/main_checkfeature.go | 2 +- |
| lxd/main_forkexec.go | 2 +- |
| 3 files changed, 3 insertions(+), 3 deletions(-) |
| |
| diff --git a/lxd/include/syscall_wrappers.h b/lxd/include/syscall_wrappers.h |
| index 4405a622b..25e56a5ce 100644 |
| --- a/lxd/include/syscall_wrappers.h |
| +++ b/lxd/include/syscall_wrappers.h |
| @@ -16,7 +16,7 @@ |
| #define CLOSE_RANGE_UNSHARE (1U << 1) |
| #endif |
| |
| -static inline int close_range(unsigned int fd, unsigned int max_fd, unsigned int flags) |
| +static inline int lxd_close_range(unsigned int fd, unsigned int max_fd, unsigned int flags) |
| { |
| return syscall(__NR_close_range, fd, max_fd, flags); |
| } |
| diff --git a/lxd/main_checkfeature.go b/lxd/main_checkfeature.go |
| index 9511b684f..0cc892071 100644 |
| --- a/lxd/main_checkfeature.go |
| +++ b/lxd/main_checkfeature.go |
| @@ -496,7 +496,7 @@ static void is_close_range_aware(void) |
| if (fd < 0) |
| return; |
| |
| - if (close_range(fd, fd, CLOSE_RANGE_UNSHARE)) |
| + if (lxd_close_range(fd, fd, CLOSE_RANGE_UNSHARE)) |
| return; |
| |
| close_range_aware = true; |
| diff --git a/lxd/main_forkexec.go b/lxd/main_forkexec.go |
| index 574f25eeb..cfa4cd6bc 100644 |
| --- a/lxd/main_forkexec.go |
| +++ b/lxd/main_forkexec.go |
| @@ -290,7 +290,7 @@ __attribute__ ((noinline)) static int __forkexec(void) |
| if (!argvp || !*argvp) |
| return log_error(EXIT_FAILURE, "No command specified"); |
| |
| - ret = close_range(EXEC_PIPE_FD + 1, UINT_MAX, CLOSE_RANGE_UNSHARE); |
| + ret = lxd_close_range(EXEC_PIPE_FD + 1, UINT_MAX, CLOSE_RANGE_UNSHARE); |
| if (ret) { |
| // Fallback to close_inherited() when the syscall is not |
| // available or when CLOSE_RANGE_UNSHARE isn't supported. |
| -- |
| 2.37.0 |
| |