diff options
Diffstat (limited to 'sys/i386/linux')
| -rw-r--r-- | sys/i386/linux/linux_machdep.c | 19 | ||||
| -rw-r--r-- | sys/i386/linux/linux_sysvec.c | 10 |
2 files changed, 15 insertions, 14 deletions
diff --git a/sys/i386/linux/linux_machdep.c b/sys/i386/linux/linux_machdep.c index effc32a..d3013e1 100644 --- a/sys/i386/linux/linux_machdep.c +++ b/sys/i386/linux/linux_machdep.c @@ -148,15 +148,8 @@ linux_execve(struct thread *td, struct linux_execve_args *args) free(newpath, M_TEMP); if (error == 0) error = kern_execve(td, &eargs, NULL); - if (error == 0) { - /* linux process can exec fbsd one, dont attempt - * to create emuldata for such process using - * linux_proc_init, this leads to a panic on KASSERT - * because such process has p->p_emuldata == NULL - */ - if (SV_PROC_ABI(td->td_proc) == SV_ABI_LINUX) - error = linux_proc_init(td, 0, 0); - } + if (error == 0) + error = linux_common_execve(td, &eargs); post_execve(td, error, oldvmspace); return (error); } @@ -368,8 +361,14 @@ int linux_set_upcall_kse(struct thread *td, register_t stack) { - td->td_frame->tf_esp = stack; + if (stack) + td->td_frame->tf_esp = stack; + /* + * The newly created Linux thread returns + * to the user space by the same path that a parent do. + */ + td->td_frame->tf_eax = 0; return (0); } diff --git a/sys/i386/linux/linux_sysvec.c b/sys/i386/linux/linux_sysvec.c index 67d5056..0e7ba67 100644 --- a/sys/i386/linux/linux_sysvec.c +++ b/sys/i386/linux/linux_sysvec.c @@ -116,6 +116,7 @@ const char *linux_platform; static eventhandler_tag linux_exit_tag; static eventhandler_tag linux_exec_tag; +static eventhandler_tag linux_thread_dtor_tag; /* * Linux syscalls return negative errno's, we do positive and map them @@ -973,6 +974,7 @@ struct sysentvec linux_sysvec = { .sv_shared_page_base = LINUX_SHAREDPAGE, .sv_shared_page_len = PAGE_SIZE, .sv_schedtail = linux_schedtail, + .sv_thread_detach = linux_thread_detach, }; INIT_SYSENTVEC(aout_sysvec, &linux_sysvec); @@ -1011,6 +1013,7 @@ struct sysentvec elf_linux_sysvec = { .sv_shared_page_base = LINUX_SHAREDPAGE, .sv_shared_page_len = PAGE_SIZE, .sv_schedtail = linux_schedtail, + .sv_thread_detach = linux_thread_detach, }; INIT_SYSENTVEC(elf_sysvec, &elf_linux_sysvec); @@ -1099,14 +1102,14 @@ linux_elf_modevent(module_t mod, int type, void *data) linux_ioctl_register_handler(*lihp); SET_FOREACH(ldhp, linux_device_handler_set) linux_device_register_handler(*ldhp); - mtx_init(&emul_lock, "emuldata lock", NULL, MTX_DEF); - sx_init(&emul_shared_lock, "emuldata->shared lock"); LIST_INIT(&futex_list); mtx_init(&futex_mtx, "ftllk", NULL, MTX_DEF); linux_exit_tag = EVENTHANDLER_REGISTER(process_exit, linux_proc_exit, NULL, 1000); linux_exec_tag = EVENTHANDLER_REGISTER(process_exec, linux_proc_exec, NULL, 1000); + linux_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor, + linux_thread_dtor, NULL, EVENTHANDLER_PRI_ANY); linux_get_machine(&linux_platform); linux_szplatform = roundup(strlen(linux_platform) + 1, sizeof(char *)); @@ -1133,11 +1136,10 @@ linux_elf_modevent(module_t mod, int type, void *data) linux_ioctl_unregister_handler(*lihp); SET_FOREACH(ldhp, linux_device_handler_set) linux_device_unregister_handler(*ldhp); - mtx_destroy(&emul_lock); - sx_destroy(&emul_shared_lock); mtx_destroy(&futex_mtx); EVENTHANDLER_DEREGISTER(process_exit, linux_exit_tag); EVENTHANDLER_DEREGISTER(process_exec, linux_exec_tag); + EVENTHANDLER_DEREGISTER(thread_dtor, linux_thread_dtor_tag); linux_osd_jail_deregister(); if (bootverbose) printf("Linux ELF exec handler removed\n"); |
