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-rw-r--r--src/irmd/proc_table.c303
1 files changed, 0 insertions, 303 deletions
diff --git a/src/irmd/proc_table.c b/src/irmd/proc_table.c
deleted file mode 100644
index a80e8d27..00000000
--- a/src/irmd/proc_table.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2021
- *
- * The IPC Resource Manager - Process Table
- *
- * Dimitri Staessens <dimitri@ouroboros.rocks>
- * Sander Vrijders <sander@ouroboros.rocks>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#if defined(__linux__) || defined(__CYGWIN__)
-#define _DEFAULT_SOURCE
-#else
-#define _POSIX_C_SOURCE 200112L
-#endif
-
-#include "config.h"
-
-#include <ouroboros/list.h>
-#include <ouroboros/errno.h>
-#include <ouroboros/time_utils.h>
-
-#include "proc_table.h"
-#include "registry.h"
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <limits.h>
-#include <assert.h>
-
-struct proc_entry * proc_entry_create(pid_t pid,
- char * prog)
-{
- struct proc_entry * e;
- pthread_condattr_t cattr;
-
- assert(prog);
-
- e = malloc(sizeof(*e));
- if (e == NULL)
- goto fail_malloc;
-
- if (pthread_condattr_init(&cattr))
- goto fail_condattr;
-
-#ifndef __APPLE__
- pthread_condattr_setclock(&cattr, PTHREAD_COND_CLOCK);
-#endif
-
- if (pthread_mutex_init(&e->lock, NULL))
- goto fail_mutex;
-
- if (pthread_cond_init(&e->cond, &cattr))
- goto fail_cond;
-
- e->set = shm_flow_set_create(pid);
- if (e->set == NULL)
- goto fail_set;
-
- list_head_init(&e->next);
- list_head_init(&e->names);
-
- e->pid = pid;
- e->prog = prog;
- e->re = NULL;
- e->state = PROC_INIT;
-
- return e;
- fail_set:
- pthread_cond_destroy(&e->cond);;
- fail_cond:
- pthread_mutex_destroy(&e->lock);
- fail_mutex:
- pthread_condattr_destroy(&cattr);
- fail_condattr:
- free(e);
- fail_malloc:
- return NULL;
-}
-
-static void cancel_proc_entry(void * o)
-{
- struct proc_entry * e = (struct proc_entry *) o;
-
- e->state = PROC_NULL;
-
- pthread_mutex_unlock(&e->lock);
-}
-
-void proc_entry_destroy(struct proc_entry * e)
-{
- struct list_head * p;
- struct list_head * h;
-
- assert(e);
-
- pthread_mutex_lock(&e->lock);
-
- if (e->state == PROC_DESTROY) {
- pthread_mutex_unlock(&e->lock);
- return;
- }
-
- if (e->state == PROC_SLEEP)
- e->state = PROC_DESTROY;
-
- pthread_cond_signal(&e->cond);
-
- pthread_cleanup_push(cancel_proc_entry, e);
-
- while (e->state != PROC_INIT)
- pthread_cond_wait(&e->cond, &e->lock);
-
- pthread_cleanup_pop(false);
-
- pthread_mutex_unlock(&e->lock);
-
- shm_flow_set_destroy(e->set);
-
- pthread_cond_destroy(&e->cond);
- pthread_mutex_destroy(&e->lock);
-
- if (e->prog != NULL)
- free(e->prog);
-
- list_for_each_safe(p, h, &e->names) {
- struct str_el * n = list_entry(p, struct str_el, next);
- list_del(&n->next);
- if (n->str != NULL)
- free(n->str);
- free(n);
- }
-
- free(e);
-}
-
-int proc_entry_add_name(struct proc_entry * e,
- char * name)
-{
- struct str_el * s;
-
- assert(e);
- assert(name);
-
- s = malloc(sizeof(*s));
- if (s == NULL)
- return -ENOMEM;
-
- s->str = name;
- list_add(&s->next, &e->names);
-
- return 0;
-}
-
-void proc_entry_del_name(struct proc_entry * e,
- const char * name)
-{
- struct list_head * p = NULL;
- struct list_head * h = NULL;
-
- assert(e);
- assert(name);
-
- list_for_each_safe(p, h, &e->names) {
- struct str_el * s = list_entry(p, struct str_el, next);
- if (!strcmp(name, s->str)) {
- list_del(&s->next);
- free(s->str);
- free(s);
- }
- }
-}
-
-int proc_entry_sleep(struct proc_entry * e,
- struct timespec * timeo)
-{
- struct timespec dl;
-
- int ret = 0;
-
- assert(e);
-
- if (timeo != NULL) {
- clock_gettime(PTHREAD_COND_CLOCK, &dl);
- ts_add(&dl, timeo, &dl);
- }
-
- pthread_mutex_lock(&e->lock);
-
- if (e->state != PROC_WAKE && e->state != PROC_DESTROY)
- e->state = PROC_SLEEP;
-
- pthread_cleanup_push(cancel_proc_entry, e);
-
- while (e->state == PROC_SLEEP && ret != -ETIMEDOUT)
- if (timeo)
- ret = -pthread_cond_timedwait(&e->cond, &e->lock, &dl);
- else
- ret = -pthread_cond_wait(&e->cond, &e->lock);
-
- pthread_cleanup_pop(false);
-
- if (e->state == PROC_DESTROY) {
- if (e->re != NULL)
- reg_entry_del_pid(e->re, e->pid);
- ret = -1;
- }
-
- e->state = PROC_INIT;
-
- pthread_cond_broadcast(&e->cond);
- pthread_mutex_unlock(&e->lock);
-
- return ret;
-}
-
-void proc_entry_wake(struct proc_entry * e,
- struct reg_entry * re)
-{
- assert(e);
- assert(re);
-
- pthread_mutex_lock(&e->lock);
-
- if (e->state != PROC_SLEEP) {
- pthread_mutex_unlock(&e->lock);
- return;
- }
-
- e->state = PROC_WAKE;
- e->re = re;
-
- pthread_cond_broadcast(&e->cond);
-
- pthread_cleanup_push(cancel_proc_entry, e);
-
- while (e->state == PROC_WAKE)
- pthread_cond_wait(&e->cond, &e->lock);
-
- pthread_cleanup_pop(false);
-
- if (e->state == PROC_DESTROY)
- e->state = PROC_INIT;
-
- pthread_mutex_unlock(&e->lock);
-}
-
-int proc_table_add(struct list_head * proc_table,
- struct proc_entry * e)
-{
-
- assert(proc_table);
- assert(e);
-
- list_add(&e->next, proc_table);
-
- return 0;
-}
-
-void proc_table_del(struct list_head * proc_table,
- pid_t pid)
-{
- struct list_head * p;
- struct list_head * h;
-
- assert(proc_table);
-
- list_for_each_safe(p, h, proc_table) {
- struct proc_entry * e = list_entry(p, struct proc_entry, next);
- if (pid == e->pid) {
- list_del(&e->next);
- proc_entry_destroy(e);
- }
- }
-}
-
-struct proc_entry * proc_table_get(struct list_head * proc_table,
- pid_t pid)
-{
- struct list_head * h;
-
- assert(proc_table);
-
- list_for_each(h, proc_table) {
- struct proc_entry * e = list_entry(h, struct proc_entry, next);
- if (pid == e->pid)
- return e;
- }
-
- return NULL;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 22:27:48 +0000