diff options
-rw-r--r-- | linux-user/syscall.c | 73 |
1 files changed, 37 insertions, 36 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index cdd0c28..a2125fa 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -5044,42 +5044,43 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, switch(num) { case TARGET_NR_exit: #ifdef CONFIG_USE_NPTL - /* In old applications this may be used to implement _exit(2). - However in threaded applictions it is used for thread termination, - and _exit_group is used for application termination. - Do thread termination if we have more then one thread. */ - /* FIXME: This probably breaks if a signal arrives. We should probably - be disabling signals. */ - if (first_cpu->next_cpu) { - TaskState *ts; - CPUArchState **lastp; - CPUArchState *p; - - cpu_list_lock(); - lastp = &first_cpu; - p = first_cpu; - while (p && p != (CPUArchState *)cpu_env) { - lastp = &p->next_cpu; - p = p->next_cpu; - } - /* If we didn't find the CPU for this thread then something is - horribly wrong. */ - if (!p) - abort(); - /* Remove the CPU from the list. */ - *lastp = p->next_cpu; - cpu_list_unlock(); - ts = ((CPUArchState *)cpu_env)->opaque; - if (ts->child_tidptr) { - put_user_u32(0, ts->child_tidptr); - sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, - NULL, NULL, 0); - } - thread_env = NULL; - object_unref(OBJECT(ENV_GET_CPU(cpu_env))); - g_free(ts); - pthread_exit(NULL); - } + /* In old applications this may be used to implement _exit(2). + However in threaded applictions it is used for thread termination, + and _exit_group is used for application termination. + Do thread termination if we have more then one thread. */ + /* FIXME: This probably breaks if a signal arrives. We should probably + be disabling signals. */ + if (first_cpu->next_cpu) { + TaskState *ts; + CPUArchState **lastp; + CPUArchState *p; + + cpu_list_lock(); + lastp = &first_cpu; + p = first_cpu; + while (p && p != (CPUArchState *)cpu_env) { + lastp = &p->next_cpu; + p = p->next_cpu; + } + /* If we didn't find the CPU for this thread then something is + horribly wrong. */ + if (!p) { + abort(); + } + /* Remove the CPU from the list. */ + *lastp = p->next_cpu; + cpu_list_unlock(); + ts = ((CPUArchState *)cpu_env)->opaque; + if (ts->child_tidptr) { + put_user_u32(0, ts->child_tidptr); + sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, + NULL, NULL, 0); + } + thread_env = NULL; + object_unref(OBJECT(ENV_GET_CPU(cpu_env))); + g_free(ts); + pthread_exit(NULL); + } #endif #ifdef TARGET_GPROF _mcleanup(); |