diff options
Diffstat (limited to 'src/kernel/user/process.c')
| -rw-r--r-- | src/kernel/user/process.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/kernel/user/process.c b/src/kernel/user/process.c index 0a757b4..973e9d8 100644 --- a/src/kernel/user/process.c +++ b/src/kernel/user/process.c @@ -267,6 +267,28 @@ void process_thread_deleted(thread_t *t) { process_exit(p, PS_FINISHED, 0); } +// =========================== // +// PROCESS CHILDREN MANAGEMENT // +// =========================== // + +process_t *process_find_child(process_t *p, int pid) { + process_t *ret = 0; + + mutex_lock(&p->lock); + + for (process_t *it = p->children; it != 0; it = it->next_child) { + if (it->pid == pid) { + ret = it; + break; + } + } + + mutex_unlock(&p->lock); + + return ret; + +} + // ================================== // // MANAGING FILESYSTEMS FOR PROCESSES // @@ -289,7 +311,7 @@ fs_t *proc_find_fs(process_t *p, const char* name) { return (fs_t*)hashtbl_find(p->filesystems, name); } -void proc_remove_fs(process_t *p, const char* name) { +void proc_rm_fs(process_t *p, const char* name) { fs_t *fs = proc_find_fs(p, name); if (fs) { unref_fs(fs); @@ -306,6 +328,15 @@ int proc_add_fd(process_t *p, fs_handle_t *f) { return fd; } +bool proc_add_fd_as(process_t *p, fs_handle_t *f, int fd) { + if (hashtbl_find(p->files, (void*)fd) != 0) return false; + + if (fd >= p->next_fd) p->next_fd = fd + 1; + + bool add_ok = hashtbl_add(p->files, (void*)fd, f); + return add_ok; +} + fs_handle_t *proc_read_fd(process_t *p, int fd) { return (fs_handle_t*)hashtbl_find(p->files, (void*)fd); } |