PHP 4.0

php3_threads.c

@@ -0,0 +1,79 @@
+#include <stdio.h>
+#include "alloc.h"
+#include <errno.h>
+#if (WIN32|WINNT)
+#include <windows.h>
+#else
+#include <pthread.h>
+#endif
+#include "php3_threads.h"
+
+/* Function for allocating memory for mutexes */
+static void *php3_mutex_alloc( void )
+{
+   MUTEX_T *mutexp;
+   /* Allocate memory for the mutex and initialize it */
+   if ( (mutexp = emalloc( sizeof(MUTEX_T) )) != NULL ) {
+      MUTEX_INIT( mutexp, NULL );
+   }
+   return( mutexp );
+}
+
+/* Function for freeing mutexes */
+static void php3_mutex_free( void *mutexp )
+{
+   MUTEX_DESTROY( (MUTEX_T *) mutexp );
+}
+
+static void php3_mutex_lock( void *mutexp )
+{
+	return MUTEX_LOCK(mutexp);
+}
+
+static void php3_mutex_unlock( void *mutexp )
+{
+	return MUTEX_UNLOCK(mutexp);
+}
+
+/* Function for setting up thread-specific data */
+/* should be called at thread start */
+int php3_tls_init(void *key,void *tsd,int size)
+{
+	/* Check if thread-specific data already exists */
+	tsd = TLS_GET_DATA( key );
+	if ( tsd != NULL ) {
+		/*FIXME what kind of output here? */
+		fprintf( stderr, "php3_tls_setup tls var non-null!\n" );
+		THREAD_EXIT( NULL );
+	}
+	/* Allocate memory for the LDAP error values */
+	tsd = (void *) ecalloc( 1, size );
+	/* Make the data specific to the calling thread */
+	TLS_SET_DATA( key, tsd );
+}
+
+/*should be called before thread exit*/
+int php3_tls_free(void *key, void *tsd)
+{
+	if (tsd)efree(tsd);
+}
+
+/*should be called at dl or process startup*/
+int php3_tls_startup(void *key)
+{
+	if (key == NULL){
+		if (TLS_ALLOC(key)==TLS_NOT_ALLOCED)
+			return 0;
+	}
+	return 1;
+}
+
+/*should be called before dl or process exit*/
+int php3_tls_shutdown(void *key)
+{
+	if (key != NULL){
+		if (!TLS_FREE(key))
+			return 0;
+	}
+	return 1;
+}