Fix PTHREAD_THREADS_MAX.
We don't have a compile-time limit on the number of threads,
and we don't have a definite run-time limit either.
Bug: http://b/27617302
Change-Id: I6a6fe083e7b655d24eb9e7ef7f3e0280d483080b
diff --git a/libc/bionic/sysconf.cpp b/libc/bionic/sysconf.cpp
index 125b3c9..cff6288 100644
--- a/libc/bionic/sysconf.cpp
+++ b/libc/bionic/sysconf.cpp
@@ -124,8 +124,8 @@
case _SC_THREAD_DESTRUCTOR_ITERATIONS: return PTHREAD_DESTRUCTOR_ITERATIONS;
case _SC_THREAD_KEYS_MAX: return PTHREAD_KEYS_MAX;
case _SC_THREAD_STACK_MIN: return PTHREAD_STACK_MIN;
- case _SC_THREAD_THREADS_MAX: return PTHREAD_THREADS_MAX;
- case _SC_TTY_NAME_MAX: return 32; // Seems default on linux.
+ case _SC_THREAD_THREADS_MAX: return -1; // No specific limit.
+ case _SC_TTY_NAME_MAX: return 32; // Seems default on linux.
case _SC_THREADS: return _POSIX_THREADS;
case _SC_THREAD_ATTR_STACKADDR: return _POSIX_THREAD_ATTR_STACKADDR;
case _SC_THREAD_ATTR_STACKSIZE: return _POSIX_THREAD_ATTR_STACKSIZE;
diff --git a/libc/include/sys/limits.h b/libc/include/sys/limits.h
index be79cf3..f84253e 100644
--- a/libc/include/sys/limits.h
+++ b/libc/include/sys/limits.h
@@ -120,8 +120,11 @@
#define _XOPEN_VERSION 700 /* by Posix definition */
-#define PTHREAD_DESTRUCTOR_ITERATIONS 4 // >= _POSIX_THREAD_DESTRUCTOR_ITERATIONS
-#define PTHREAD_KEYS_MAX 128 // >= _POSIX_THREAD_KEYS_MAX
-#define PTHREAD_THREADS_MAX 2048 // bionic has no specific limit
+/* >= _POSIX_THREAD_DESTRUCTOR_ITERATIONS */
+#define PTHREAD_DESTRUCTOR_ITERATIONS 4
+/* >= _POSIX_THREAD_KEYS_MAX */
+#define PTHREAD_KEYS_MAX 128
+/* bionic has no specific limit */
+#undef PTHREAD_THREADS_MAX
#endif