X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/eb251af8672e033f29322253f136e09c76f2b0a3..e6dbd781772925dfc07b2facfa0a1350e756ad8f:/lunaix-os/kernel/sched.c?ds=sidebyside diff --git a/lunaix-os/kernel/sched.c b/lunaix-os/kernel/sched.c index 8e089d6..f8f00d4 100644 --- a/lunaix-os/kernel/sched.c +++ b/lunaix-os/kernel/sched.c @@ -6,6 +6,7 @@ #include #include +#include #include #include #include @@ -144,6 +145,12 @@ redo: run(next); } +void +sched_yieldk() +{ + cpu_int(LUNAIX_SCHED); +} + __DEFINE_LXSYSCALL1(unsigned int, sleep, unsigned int, seconds) { if (!seconds) { @@ -202,6 +209,11 @@ __DEFINE_LXSYSCALL3(pid_t, waitpid, pid_t, pid, int*, status, int, options) return _wait(pid, status, options); } +__DEFINE_LXSYSCALL(int, geterrno) +{ + return __current->k_status; +} + pid_t _wait(pid_t wpid, int* status, int options) { @@ -213,7 +225,6 @@ _wait(pid_t wpid, int* status, int options) } wpid = wpid ? wpid : -__current->pgid; - cpu_enable_interrupt(); repeat: llist_for_each(proc, n, &__current->children, siblings) { @@ -232,11 +243,10 @@ repeat: return 0; } // 放弃当前的运行机会 - sched_yield(); + sched_yieldk(); goto repeat; done: - cpu_disable_interrupt(); status_flags |= PEXITSIG * (proc->sig_inprogress != 0); if (status) { *status = proc->exit_code | status_flags; @@ -267,8 +277,9 @@ alloc_process() proc->pid = i; proc->created = clock_systime(); proc->pgid = proc->pid; + proc->fdtable = vzalloc(sizeof(struct v_fdtable)); - llist_init_head(&proc->mm.regions); + llist_init_head(&proc->mm.regions.head); llist_init_head(&proc->children); llist_init_head(&proc->grp_member); llist_init_head(&proc->sleep.sleepers); @@ -282,7 +293,7 @@ commit_process(struct proc_info* process) assert(process == &sched_ctx._procs[process->pid]); if (process->state != PS_CREATED) { - __current->k_status = LXINVL; + __current->k_status = EINVAL; return; } @@ -305,17 +316,25 @@ destroy_process(pid_t pid) { int index = pid; if (index <= 0 || index > sched_ctx.ptable_len) { - __current->k_status = LXINVLDPID; + __current->k_status = EINVAL; return; } struct proc_info* proc = &sched_ctx._procs[index]; proc->state = PS_DESTROY; llist_delete(&proc->siblings); + for (size_t i = 0; i < VFS_MAX_FD; i++) { + struct v_fd* fd = proc->fdtable->fds[i]; + if (fd) + vfs_close(fd->file); + } + + vfree(proc->fdtable); + struct mm_region *pos, *n; llist_for_each(pos, n, &proc->mm.regions.head, head) { - lxfree(pos); + vfree(pos); } vmm_mount_pd(PD_MOUNT_1, proc->page_table);