]> git.pond.sub.org Git - empserver/blobdiff - src/lib/empthread/pthread.c
Fix trailing whitespace
[empserver] / src / lib / empthread / pthread.c
index 201f31085082efe470af95c42c3e02adc9d7c98c..aa8b56949f1d11ca9984b15841fdcbf8274da93e 100644 (file)
@@ -1,6 +1,6 @@
 /*
  *  Empire - A multi-player, client/server Internet based war game.
- *  Copyright (C) 1986-2007, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ *  Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
  *                           Ken Stevens, Steve McClure
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -26,7 +26,7 @@
  *  ---
  *
  *  pthread.c: Interface from Empire threads to POSIX threads
- * 
+ *
  *  Known contributors to this file:
  *     Sasha Mikheev
  *     Steve McClure, 1998
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
-#if !defined(_WIN32)
 #include <sys/time.h>
 #include <unistd.h>
-#endif
 
 #include "misc.h"
 #include "empthread.h"
@@ -68,14 +66,6 @@ struct empth_t {
     pthread_t id;              /* thread id */
 };
 
-struct empth_sem_t {
-    pthread_mutex_t mtx_update;        /* use it to update count */
-    int count;
-    char name[80];
-    pthread_mutex_t mtx_sem;
-    pthread_cond_t cnd_sem;
-};
-
 struct empth_rwlock_t {
     char *name;
     pthread_rwlock_t lock;
@@ -188,14 +178,8 @@ empth_init(void **ctx_ptr, int flags)
 }
 
 
-/*
- * prio can be used for setting scheeduling policy but...
- * it seems to be optional in POSIX threads and Solaris
- * for example just ignores it.
- * More then that priority is not needed even in lwp threads.
- */
 empth_t *
-empth_create(int prio, void (*entry)(void *), int size, int flags,
+empth_create(void (*entry)(void *), int size, int flags,
             char *name, void *ud)
 {
     pthread_t t;
@@ -263,6 +247,20 @@ empth_self(void)
     return pthread_getspecific(ctx_key);
 }
 
+char *
+empth_name(empth_t *thread)
+{
+    return thread->name;
+}
+
+void
+empth_set_name(empth_t *thread, char *name)
+{
+    if (thread->name)
+       free(thread->name);
+    thread->name = strdup(name);
+}
+
 void
 empth_exit(void)
 {
@@ -415,57 +413,6 @@ empth_wait_for_signal(void)
     }
 }
 
-empth_sem_t *
-empth_sem_create(char *name, int cnt)
-{
-    empth_sem_t *sm;
-
-    sm = malloc(sizeof(empth_sem_t));
-    if (!sm) {
-       logerror("out of memory at %s:%d", __FILE__, __LINE__);
-       return NULL;
-    }
-    strncpy(sm->name, name, sizeof(sm->name) - 1);
-    sm->count = cnt;
-    pthread_mutex_init(&sm->mtx_update, NULL);
-    pthread_mutex_init(&sm->mtx_sem, NULL);
-    pthread_cond_init(&sm->cnd_sem, NULL);
-    return sm;
-}
-
-void
-empth_sem_signal(empth_sem_t *sm)
-{
-    empth_status("signal on semaphore %s:%d", sm->name, sm->count);
-    pthread_mutex_lock(&sm->mtx_update);
-    if (sm->count++ < 0) {
-       pthread_mutex_unlock(&sm->mtx_update);
-       pthread_mutex_lock(&sm->mtx_sem);
-       pthread_cond_signal(&sm->cnd_sem);
-       pthread_mutex_unlock(&sm->mtx_sem);
-    } else
-       pthread_mutex_unlock(&sm->mtx_update);
-}
-
-void
-empth_sem_wait(empth_sem_t *sm)
-{
-    empth_status("wait on semaphore %s:%d", sm->name, sm->count);
-    pthread_mutex_lock(&sm->mtx_update);
-    if (--sm->count < 0) {
-       pthread_mutex_unlock(&sm->mtx_update);
-       empth_status("blocking");
-       pthread_mutex_unlock(&mtx_ctxsw);
-       pthread_mutex_lock(&sm->mtx_sem);
-       pthread_cond_wait(&sm->cnd_sem, &sm->mtx_sem);
-       empth_status("waking up");
-       pthread_mutex_unlock(&sm->mtx_sem);
-       pthread_mutex_lock(&mtx_ctxsw);
-       empth_restorectx();
-    } else
-       pthread_mutex_unlock(&sm->mtx_update);
-}
-
 empth_rwlock_t *
 empth_rwlock_create(char *name)
 {