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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
commit7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch)
treebcc69b5f4609f348fac49e2f59e210b29eaea783 /tools/lib/bpf/libbpf_internal.h
parentAdding upstream version 6.9.12. (diff)
downloadlinux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz
linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/lib/bpf/libbpf_internal.h')
-rw-r--r--tools/lib/bpf/libbpf_internal.h15
1 files changed, 3 insertions, 12 deletions
diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h
index 864b361774..7e7e686008 100644
--- a/tools/lib/bpf/libbpf_internal.h
+++ b/tools/lib/bpf/libbpf_internal.h
@@ -518,11 +518,6 @@ int btf_ext_visit_str_offs(struct btf_ext *btf_ext, str_off_visit_fn visit, void
__s32 btf__find_by_name_kind_own(const struct btf *btf, const char *type_name,
__u32 kind);
-typedef int (*kallsyms_cb_t)(unsigned long long sym_addr, char sym_type,
- const char *sym_name, void *ctx);
-
-int libbpf_kallsyms_parse(kallsyms_cb_t cb, void *arg);
-
/* handle direct returned errors */
static inline int libbpf_err(int ret)
{
@@ -602,13 +597,9 @@ static inline int ensure_good_fd(int fd)
return fd;
}
-static inline int sys_dup2(int oldfd, int newfd)
+static inline int sys_dup3(int oldfd, int newfd, int flags)
{
-#ifdef __NR_dup2
- return syscall(__NR_dup2, oldfd, newfd);
-#else
- return syscall(__NR_dup3, oldfd, newfd, 0);
-#endif
+ return syscall(__NR_dup3, oldfd, newfd, flags);
}
/* Point *fixed_fd* to the same file that *tmp_fd* points to.
@@ -619,7 +610,7 @@ static inline int reuse_fd(int fixed_fd, int tmp_fd)
{
int err;
- err = sys_dup2(tmp_fd, fixed_fd);
+ err = sys_dup3(tmp_fd, fixed_fd, O_CLOEXEC);
err = err < 0 ? -errno : 0;
close(tmp_fd); /* clean up temporary FD */
return err;