add libbthread to main directory for Android from Andrew

[goodguy/cinelerra.git] / cinelerra-5.1 / libbthread-master / pt-init.c

diff --git a/cinelerra-5.1/libbthread-master/pt-init.c b/cinelerra-5.1/libbthread-master/pt-init.c
new file mode 100644 (file)
index 0000000..7579da6
--- /dev/null
+++ b/cinelerra-5.1/libbthread-master/pt-init.c
@@ -0,0 +1,45 @@
+/* Init a thread.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <pthread.h>
+#include <bthread.h>
+#include <pt-internal.h>
+#include <signal.h>
+
+void pthread_cancel_handler(int signum) {
+       pthread_exit(0);
+}
+
+void pthread_init(void) {
+       struct sigaction sa;
+       struct pthread_internal_t * p = (struct pthread_internal_t *)pthread_self();
+       
+       if(p->attr.flags & PTHREAD_ATTR_FLAG_CANCEL_HANDLER)
+               return;
+       
+       // set thread status as pthread_create should do.
+       // ASYNCROUNOUS is not set, see pthread_setcancelstate(3)
+       p->attr.flags |= PTHREAD_ATTR_FLAG_CANCEL_HANDLER|PTHREAD_ATTR_FLAG_CANCEL_ENABLE;
+       
+       sa.sa_handler = pthread_cancel_handler;
+       sigemptyset(&(sa.sa_mask));
+       sa.sa_flags = 0;
+       
+       sigaction(SIGRTMIN, &sa, NULL);
+}