[PULL 07/29] {linux,bsd}-user: Pass pid to gdbserver_fork()

["Alex Bennée" <alex.bennee@linaro.org>]

From: Ilya Leoshkevich <iii@linux.ibm.com>

The upcoming follow-fork-mode child support requires knowing the child
pid. Pass it down.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240219141628.246823-7-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-8-alex.bennee@linaro.org>

diff --git a/include/gdbstub/user.h b/include/gdbstub/user.h
index e33f8d9a9a6..3f9f45946e0 100644
--- a/include/gdbstub/user.h
+++ b/include/gdbstub/user.h
@@ -54,7 +54,7 @@ void gdbserver_fork_start(void);
  * gdbserver_fork() - disable gdb stub for child processes.
  * @cs: CPU
  */
-void gdbserver_fork(CPUState *cs);
+void gdbserver_fork(CPUState *cs, pid_t pid);
 
 /**
  * gdb_syscall_entry() - inform gdb of syscall entry and yield control to it
diff --git a/bsd-user/main.c b/bsd-user/main.c
index fca9b302043..0dbd1cf8801 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -138,7 +138,7 @@ void fork_end(pid_t pid)
          */
         qemu_init_cpu_list();
         get_task_state(thread_cpu)->ts_tid = qemu_get_thread_id();
-        gdbserver_fork(thread_cpu);
+        gdbserver_fork(thread_cpu, pid);
     } else {
         mmap_fork_end(child);
         cpu_list_unlock();
diff --git a/gdbstub/user.c b/gdbstub/user.c
index 536fb43b03e..c61e1a0d1f6 100644
--- a/gdbstub/user.c
+++ b/gdbstub/user.c
@@ -375,7 +375,7 @@ static void disable_gdbstub(CPUState *thread_cpu)
 }
 
 /* Disable gdb stub for child processes.  */
-void gdbserver_fork(CPUState *cpu)
+void gdbserver_fork(CPUState *cpu, pid_t pid)
 {
     if (!gdbserver_state.init || gdbserver_user_state.fd < 0) {
         return;
diff --git a/linux-user/main.c b/linux-user/main.c
index cab95f5b0aa..70314e0ab6a 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -165,7 +165,7 @@ void fork_end(pid_t pid)
         }
         qemu_init_cpu_list();
         get_task_state(thread_cpu)->ts_tid = qemu_get_thread_id();
-        gdbserver_fork(thread_cpu);
+        gdbserver_fork(thread_cpu, pid);
     } else {
         cpu_list_unlock();
     }
-- 
2.39.2