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-rw-r--r--linux-user/syscall.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index abf82bab2a..850410c9b5 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -346,6 +346,16 @@ _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
_syscall6(int,sys_futex_time64,int *,uaddr,int,op,int,val,
const struct timespec *,timeout,int *,uaddr2,int,val3)
#endif
+#if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open)
+_syscall2(int, pidfd_open, pid_t, pid, unsigned int, flags);
+#endif
+#if defined(__NR_pidfd_send_signal) && defined(TARGET_NR_pidfd_send_signal)
+_syscall4(int, pidfd_send_signal, int, pidfd, int, sig, siginfo_t *, info,
+ unsigned int, flags);
+#endif
+#if defined(__NR_pidfd_getfd) && defined(TARGET_NR_pidfd_getfd)
+_syscall3(int, pidfd_getfd, int, pidfd, int, targetfd, unsigned int, flags);
+#endif
#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
unsigned long *, user_mask_ptr);
@@ -8684,6 +8694,30 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
fd_trans_unregister(ret);
return ret;
#endif
+#if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open)
+ case TARGET_NR_pidfd_open:
+ return get_errno(pidfd_open(arg1, arg2));
+#endif
+#if defined(__NR_pidfd_send_signal) && defined(TARGET_NR_pidfd_send_signal)
+ case TARGET_NR_pidfd_send_signal:
+ {
+ siginfo_t uinfo;
+
+ p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ target_to_host_siginfo(&uinfo, p);
+ unlock_user(p, arg3, 0);
+ ret = get_errno(pidfd_send_signal(arg1, target_to_host_signal(arg2),
+ &uinfo, arg4));
+ }
+ return ret;
+#endif
+#if defined(__NR_pidfd_getfd) && defined(TARGET_NR_pidfd_getfd)
+ case TARGET_NR_pidfd_getfd:
+ return get_errno(pidfd_getfd(arg1, arg2, arg3));
+#endif
case TARGET_NR_close:
fd_trans_unregister(arg1);
return get_errno(close(arg1));