diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/main.c | 4 | ||||
| -rw-r--r-- | linux-user/syscall.c | 6 | ||||
| -rw-r--r-- | linux-user/user-internals.h | 2 |
3 files changed, 7 insertions, 5 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 755c566d6d..cab95f5b0a 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -148,8 +148,10 @@ void fork_start(void) gdbserver_fork_start(); } -void fork_end(int child) +void fork_end(pid_t pid) { + bool child = pid == 0; + qemu_plugin_user_postfork(child); mmap_fork_end(child); if (child) { diff --git a/linux-user/syscall.c b/linux-user/syscall.c index c233d4eb30..7f30defcb1 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -6669,7 +6669,7 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, if (ret == 0) { /* Child Process. */ cpu_clone_regs_child(env, newsp, flags); - fork_end(1); + fork_end(ret); /* There is a race condition here. The parent process could theoretically read the TID in the child process before the child tid is set. This would require using either ptrace @@ -6700,8 +6700,8 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, } #endif put_user_u32(pid_fd, parent_tidptr); - } - fork_end(0); + } + fork_end(ret); } g_assert(!cpu_in_exclusive_context(cpu)); } diff --git a/linux-user/user-internals.h b/linux-user/user-internals.h index c63ef45fc7..ce11d9e21c 100644 --- a/linux-user/user-internals.h +++ b/linux-user/user-internals.h @@ -71,7 +71,7 @@ const char *target_strerror(int err); int get_osversion(void); void init_qemu_uname_release(void); void fork_start(void); -void fork_end(int child); +void fork_end(pid_t pid); /** * probe_guest_base: |