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Diffstat (limited to 'tools/testing/selftests/pidfd/pidfd.h')
-rw-r--r--tools/testing/selftests/pidfd/pidfd.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/tools/testing/selftests/pidfd/pidfd.h b/tools/testing/selftests/pidfd/pidfd.h
index 0b96ac4b8ce5..cec22aa11cdf 100644
--- a/tools/testing/selftests/pidfd/pidfd.h
+++ b/tools/testing/selftests/pidfd/pidfd.h
@@ -12,6 +12,7 @@
#include <stdlib.h>
#include <string.h>
#include <syscall.h>
+#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/wait.h>
@@ -50,6 +51,107 @@
#define PIDFD_NONBLOCK O_NONBLOCK
#endif
+#ifndef PIDFD_SELF_THREAD
+#define PIDFD_SELF_THREAD -10000 /* Current thread. */
+#endif
+
+#ifndef PIDFD_SELF_THREAD_GROUP
+#define PIDFD_SELF_THREAD_GROUP -20000 /* Current thread group leader. */
+#endif
+
+#ifndef PIDFD_SELF
+#define PIDFD_SELF PIDFD_SELF_THREAD
+#endif
+
+#ifndef PIDFD_SELF_PROCESS
+#define PIDFD_SELF_PROCESS PIDFD_SELF_THREAD_GROUP
+#endif
+
+#ifndef PIDFS_IOCTL_MAGIC
+#define PIDFS_IOCTL_MAGIC 0xFF
+#endif
+
+#ifndef PIDFD_GET_CGROUP_NAMESPACE
+#define PIDFD_GET_CGROUP_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 1)
+#endif
+
+#ifndef PIDFD_GET_IPC_NAMESPACE
+#define PIDFD_GET_IPC_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 2)
+#endif
+
+#ifndef PIDFD_GET_MNT_NAMESPACE
+#define PIDFD_GET_MNT_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 3)
+#endif
+
+#ifndef PIDFD_GET_NET_NAMESPACE
+#define PIDFD_GET_NET_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 4)
+#endif
+
+#ifndef PIDFD_GET_PID_NAMESPACE
+#define PIDFD_GET_PID_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 5)
+#endif
+
+#ifndef PIDFD_GET_PID_FOR_CHILDREN_NAMESPACE
+#define PIDFD_GET_PID_FOR_CHILDREN_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 6)
+#endif
+
+#ifndef PIDFD_GET_TIME_NAMESPACE
+#define PIDFD_GET_TIME_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 7)
+#endif
+
+#ifndef PIDFD_GET_TIME_FOR_CHILDREN_NAMESPACE
+#define PIDFD_GET_TIME_FOR_CHILDREN_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 8)
+#endif
+
+#ifndef PIDFD_GET_USER_NAMESPACE
+#define PIDFD_GET_USER_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 9)
+#endif
+
+#ifndef PIDFD_GET_UTS_NAMESPACE
+#define PIDFD_GET_UTS_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 10)
+#endif
+
+#ifndef PIDFD_GET_INFO
+#define PIDFD_GET_INFO _IOWR(PIDFS_IOCTL_MAGIC, 11, struct pidfd_info)
+#endif
+
+#ifndef PIDFD_INFO_PID
+#define PIDFD_INFO_PID (1UL << 0) /* Always returned, even if not requested */
+#endif
+
+#ifndef PIDFD_INFO_CREDS
+#define PIDFD_INFO_CREDS (1UL << 1) /* Always returned, even if not requested */
+#endif
+
+#ifndef PIDFD_INFO_CGROUPID
+#define PIDFD_INFO_CGROUPID (1UL << 2) /* Always returned if available, even if not requested */
+#endif
+
+#ifndef PIDFD_INFO_EXIT
+#define PIDFD_INFO_EXIT (1UL << 3) /* Always returned if available, even if not requested */
+#endif
+
+#ifndef PIDFD_THREAD
+#define PIDFD_THREAD O_EXCL
+#endif
+
+struct pidfd_info {
+ __u64 mask;
+ __u64 cgroupid;
+ __u32 pid;
+ __u32 tgid;
+ __u32 ppid;
+ __u32 ruid;
+ __u32 rgid;
+ __u32 euid;
+ __u32 egid;
+ __u32 suid;
+ __u32 sgid;
+ __u32 fsuid;
+ __u32 fsgid;
+ __s32 exit_code;
+};
+
/*
* The kernel reserves 300 pids via RESERVED_PIDS in kernel/pid.c
* That means, when it wraps around any pid < 300 will be skipped.
@@ -152,4 +254,11 @@ static inline ssize_t write_nointr(int fd, const void *buf, size_t count)
return ret;
}
+static inline int sys_execveat(int dirfd, const char *pathname,
+ char *const argv[], char *const envp[],
+ int flags)
+{
+ return syscall(__NR_execveat, dirfd, pathname, argv, envp, flags);
+}
+
#endif /* __PIDFD_H */