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include: add coredump_code to struct pidfd_info

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Linux v7.1 adds coredump_code to struct pidfd_info and defines a few new
constants. Reflect the changes in include/override/sys/pidfd.h too.

Stop including the libc version of sys/pidfd.h to be able to override the
definition of pidfd_info.

Signed-off-by: Emanuele Rocca <emanuele.rocca@arm.com>
This commit is contained in:
Emanuele Rocca
2026-05-06 15:43:58 +00:00
parent bdbcff6530
commit 577f2f975d
1 changed files with 13 additions and 11 deletions
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24
src/include/override/sys/pidfd.h
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@@ -1,15 +1,6 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <features.h>
/* since glibc-2.36. Only descend into the next <sys/pidfd.h> on glibc — musl ships no such header,
* and musl-gcc's -idirafter /usr/include would otherwise pull in glibc's copy (which depends on
* __THROW and other glibc-isms) from the fallback path. */
#if defined(__GLIBC__) && __has_include_next(<sys/pidfd.h>)
#include_next <sys/pidfd.h> /* IWYU pragma: export */
#endif
#include <linux/types.h>
#include <signal.h>
#include <sys/ioctl.h>
@@ -49,8 +40,14 @@ int pidfd_send_signal_shim(int fd, int sig, siginfo_t *info, unsigned flags);
#define PIDFD_INFO_CGROUPID (1UL << 2) /* Always returned if available, even if not requested */
#define PIDFD_INFO_EXIT (1UL << 3) /* Only returned if requested. */
#define PIDFD_INFO_COREDUMP (1UL << 4) /* Only returned if requested. */
#define PIDFD_INFO_SUPPORTED_MASK (1UL << 5) /* Want/got supported mask flags */
#define PIDFD_INFO_COREDUMP_SIGNAL (1UL << 6) /* Always returned if PIDFD_INFO_COREDUMP is requested. */
#define PIDFD_INFO_COREDUMP_CODE (1UL << 7) /* Always returned if PIDFD_INFO_COREDUMP is requested. */
#define PIDFD_INFO_SIZE_VER0 64 /* sizeof first published struct */
#define PIDFD_INFO_SIZE_VER1 72 /* sizeof second published struct */
#define PIDFD_INFO_SIZE_VER2 80 /* sizeof third published struct */
#define PIDFD_INFO_SIZE_VER3 88 /* sizeof fourth published struct */
/*
* Values for @coredump_mask in pidfd_info.
@@ -105,8 +102,13 @@ struct pidfd_info {
__u32 fsuid;
__u32 fsgid;
__s32 exit_code; /* since kernel v6.15 (7477d7dce48a996ae4e4f0b5f7bd82de7ec9131b) */
__u32 coredump_mask; /* since kernel v6.16 (1d8db6fd698de1f73b1a7d72aea578fdd18d9a87) */
__u32 __spare1;
struct { /* coredump info */
__u32 coredump_mask; /* since kernel v6.16 (1d8db6fd698de1f73b1a7d72aea578fdd18d9a87) */
__u32 coredump_signal; /* since kernel v6.19 (036375522be8425874e9e0f907c7127e315c7a52) */
__u32 coredump_code; /* since kernel v7.1 (701f7f4fbabbf4989ba6fbf033b160dd943221d5) */
__u32 coredump_pad; /* since kernel v7.1 (701f7f4fbabbf4989ba6fbf033b160dd943221d5) */
};
__u64 supported_mask; /* Mask flags that this kernel supports */
};
#define PIDFD_GET_INFO _IOWR(PIDFS_IOCTL_MAGIC, 11, struct pidfd_info)