threads: rename threads.c to threads-posix.c

1 files changed, 89 insertions, 0 deletions

diff --git a/osdep/threads-posix.c b/osdep/threads-posix.c
new file mode 100644
index 0000000000..b9ead75723
--- /dev/null
+++ b/osdep/threads-posix.c
@@ -0,0 +1,89 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <errno.h>
+
+#include "common/common.h"
+#include "config.h"
+#include "threads.h"
+#include "timer.h"
+
+#if HAVE_BSD_THREAD_NAME
+#include <pthread_np.h>
+#endif
+
+int mpthread_mutex_init_recursive(pthread_mutex_t *mutex)
+{
+    pthread_mutexattr_t attr;
+    pthread_mutexattr_init(&attr);
+    pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+    int r = pthread_mutex_init(mutex, &attr);
+    pthread_mutexattr_destroy(&attr);
+    return r;
+}
+
+void mpthread_set_name(const char *name)
+{
+#if HAVE_GLIBC_THREAD_NAME
+    if (pthread_setname_np(pthread_self(), name) == ERANGE) {
+        char tname[16] = {0}; // glibc-checked kernel limit
+        strncpy(tname, name, sizeof(tname) - 1);
+        pthread_setname_np(pthread_self(), tname);
+    }
+#elif HAVE_BSD_THREAD_NAME
+    pthread_set_name_np(pthread_self(), name);
+#elif HAVE_OSX_THREAD_NAME
+    pthread_setname_np(name);
+#endif
+}
+
+int mp_ptwrap_check(const char *file, int line, int res)
+{
+    if (res && res != ETIMEDOUT) {
+        fprintf(stderr, "%s:%d: internal error: pthread result %d (%s)\n",
+                file, line, res, mp_strerror(res));
+        abort();
+    }
+    return res;
+}
+
+int mp_ptwrap_mutex_init(const char *file, int line, pthread_mutex_t *m,
+                         const pthread_mutexattr_t *attr)
+{
+    pthread_mutexattr_t m_attr;
+    if (!attr) {
+        attr = &m_attr;
+        pthread_mutexattr_init(&m_attr);
+        // Force normal mutexes to error checking.
+        pthread_mutexattr_settype(&m_attr, PTHREAD_MUTEX_ERRORCHECK);
+    }
+    int res = mp_ptwrap_check(file, line, (pthread_mutex_init)(m, attr));
+    if (attr == &m_attr)
+        pthread_mutexattr_destroy(&m_attr);
+    return res;
+}
+
+int mp_ptwrap_mutex_trylock(const char *file, int line, pthread_mutex_t *m)
+{
+    int res = (pthread_mutex_trylock)(m);
+
+    if (res != EBUSY)
+        mp_ptwrap_check(file, line, res);
+
+    return res;
+}