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Diffstat (limited to 'src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h')
-rw-r--r--src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h b/src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h
new file mode 100644
index 0000000000..3559a48454
--- /dev/null
+++ b/src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h
@@ -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:
+ */