[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/libc/glibc/glibc-2.23/sysdeps/nptl/gai_misc.h b/ap/libc/glibc/glibc-2.23/sysdeps/nptl/gai_misc.h
new file mode 100644
index 0000000..c550cdd
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sysdeps/nptl/gai_misc.h
@@ -0,0 +1,123 @@
+/* Copyright (C) 2006-2016 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 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.
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* We define a special synchronization primitive for AIO. POSIX
+ conditional variables would be ideal but the pthread_cond_*wait
+ operations do not return on EINTR. This is a requirement for
+ correct aio_suspend and lio_listio implementations. */
+
+#include <assert.h>
+#include <signal.h>
+#include <nptl/pthreadP.h>
+#include <futex-internal.h>
+
+#define DONT_NEED_GAI_MISC_COND 1
+
+#define GAI_MISC_NOTIFY(waitlist) \
+ do { \
+ if (*waitlist->counterp > 0 && --*waitlist->counterp == 0) \
+ futex_wake ((unsigned int *) waitlist->counterp, 1, FUTEX_PRIVATE); \
+ } while (0)
+
+#define GAI_MISC_WAIT(result, futex, timeout, cancel) \
+ do { \
+ volatile unsigned int *futexaddr = &futex; \
+ unsigned int oldval = futex; \
+ \
+ if (oldval != 0) \
+ { \
+ pthread_mutex_unlock (&__gai_requests_mutex); \
+ \
+ int oldtype; \
+ if (cancel) \
+ oldtype = LIBC_CANCEL_ASYNC (); \
+ \
+ int status; \
+ do \
+ { \
+ status = futex_reltimed_wait ((unsigned int *) futexaddr, oldval, \
+ timeout, FUTEX_PRIVATE); \
+ if (status != EAGAIN) \
+ break; \
+ \
+ oldval = *futexaddr; \
+ } \
+ while (oldval != 0); \
+ \
+ if (cancel) \
+ LIBC_CANCEL_RESET (oldtype); \
+ \
+ if (status == EINTR) \
+ result = EINTR; \
+ else if (status == ETIMEDOUT) \
+ result = EAGAIN; \
+ else \
+ assert (status == 0 || status == EAGAIN); \
+ \
+ pthread_mutex_lock (&__gai_requests_mutex); \
+ } \
+ } while (0)
+
+
+#define gai_start_notify_thread __gai_start_notify_thread
+#define gai_create_helper_thread __gai_create_helper_thread
+
+extern inline void
+__gai_start_notify_thread (void)
+{
+ sigset_t ss;
+ sigemptyset (&ss);
+ int sigerr __attribute__ ((unused));
+ sigerr = pthread_sigmask (SIG_SETMASK, &ss, NULL);
+ assert_perror (sigerr);
+}
+
+extern inline int
+__gai_create_helper_thread (pthread_t *threadp, void *(*tf) (void *),
+ void *arg)
+{
+ pthread_attr_t attr;
+
+ /* Make sure the thread is created detached. */
+ pthread_attr_init (&attr);
+ pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
+
+ /* The helper thread needs only very little resources. */
+ (void) pthread_attr_setstacksize (&attr,
+ __pthread_get_minstack (&attr)
+ + 4 * PTHREAD_STACK_MIN);
+
+ /* Block all signals in the helper thread. To do this thoroughly we
+ temporarily have to block all signals here. */
+ sigset_t ss;
+ sigset_t oss;
+ sigfillset (&ss);
+ int sigerr __attribute__ ((unused));
+ sigerr = pthread_sigmask (SIG_SETMASK, &ss, &oss);
+ assert_perror (sigerr);
+
+ int ret = pthread_create (threadp, &attr, tf, arg);
+
+ /* Restore the signal mask. */
+ sigerr = pthread_sigmask (SIG_SETMASK, &oss, NULL);
+ assert_perror (sigerr);
+
+ (void) pthread_attr_destroy (&attr);
+ return ret;
+}
+
+#include_next <gai_misc.h>