--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,85 @@
+/*
+ * $Id:$
+ * sproc version
+ * by Wolfram Gloger 2001, 2004, 2006
+ */
+
+#include <stdio.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <sys/prctl.h>
+
+#ifndef STACKSIZE
+#define STACKSIZE	32768
+#endif
+
+struct thread_st {
+	char *sp;							/* stack pointer, can be 0 */
+	void (*func)(struct thread_st* st);	/* must be set by user */
+	int id;
+	int flags;
+	struct user_data u;
+};
+
+static void
+thread_init(void)
+{
+	printf("Using sproc() threads.\n");
+}
+
+static void
+thread_wrapper(void *ptr, size_t stack_len)
+{
+	struct thread_st *st = (struct thread_st*)ptr;
+
+	/*printf("begin %p\n", st->sp);*/
+	st->func(st);
+	/*printf("end %p\n", st->sp);*/
+}
+
+/* Create a thread. */
+static int
+thread_create(struct thread_st *st)
+{
+	st->flags = 0;
+	if(!st->sp)
+		st->sp = malloc(STACKSIZE);
+	if(!st->sp) return -1;
+	st->id = sprocsp(thread_wrapper, PR_SALL, st, st->sp+STACKSIZE, STACKSIZE);
+	if(st->id < 0) {
+		return -1;
+	}
+	return 0;
+}
+
+/* Wait for one of several subthreads to finish. */
+static void
+wait_for_thread(struct thread_st st[], int n_thr,
+				int (*end_thr)(struct thread_st*))
+{
+	int i;
+	int id;
+
+		int status = 0;
+		id = wait(&status);
+		if(status != 0) {
+			if(WIFSIGNALED(status))
+				printf("thread %id terminated by signal %d\n",
+					   id, WTERMSIG(status));
+			else
+				printf("thread %id exited with status %d\n",
+					   id, WEXITSTATUS(status));
+		}
+		for(i=0; i<n_thr; i++)
+			if(id == st[i].id) {
+				if(end_thr)
+					end_thr(&st[i]);
+				break;
+			}
+}
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * End:
+ */