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authorJari Vetoniemi <mailroxas@gmail.com>2018-02-27 13:39:18 +0200
committerJari Vetoniemi <mailroxas@gmail.com>2018-02-27 13:43:09 +0200
commit2be4fd887755106443669b1dd3760fc81ccab856 (patch)
treee14a3d947740cb0a633c181af7abdfc76d3d1e3b /src
parent24105f625935b3a541a511c22a3489fe38fbe6cc (diff)
libc: Togglable libstdc++ support
Can use either host libstdc++ or android's where android's is probably must for anything other than clang or gcc
Diffstat (limited to 'src')
-rw-r--r--src/libc.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/src/libc.c b/src/libc.c
index dba8853..66b0d8d 100644
--- a/src/libc.c
+++ b/src/libc.c
@@ -354,9 +354,27 @@ bionic_sysconf(int name)
return sysconf(bionic_sysconf_to_glibc_sysconf(name));
}
+#if 1
+// gcc's libstdc++
void*
bionic___dynamic_cast(const void *src_ptr, const void *src_type, const void *dst_type, intptr_t src2dst)
{
- // HACK: we should use android's various libstdc++ implementations instead.
return (void*)src_ptr;
}
+#else
+// android's libstdc++
+# include <sys/time.h>
+# include <linux/futex.h>
+
+int
+bionic___futex_wait(volatile void* ftx, int value, const struct timespec* timeout)
+{
+ return syscall(SYS_futex, ftx, FUTEX_WAIT, value, timeout, 0);
+}
+
+int
+bionic___futex_wake(volatile void* ftx, int count)
+{
+ return syscall(SYS_futex, ftx, FUTEX_WAKE, count, NULL, 0);
+}
+#endif