Fix pthreads getrlimit, gettimeofday namespace (bug 17682).

Some pthreads functions use getrlimit and gettimeofday, but these
functions are XSI, not base POSIX; this is a namespace issue for
dynamic linking as well as static linking.  This patch makes them use
__getrlimit and __gettimeofday instead - the former needed to be newly
exported from libc.so at GLIBC_PRIVATE (and so now needs
libc_hidden_proto / libc_hidden_def), the latter was already exported.

Tested for x86_64 (testsuite, and that disassembly of installed shared
libraries is unchanged by the patch).

	[BZ #17682]
	* resource/Versions (libc): Add __getrlimit at GLIBC_PRIVATE.
	* resource/getrlimit.c (__getrlimit): Use libc_hidden_def.
	* sysdeps/mach/hurd/getrlimit.c (__getrlimit): Likewise.
	* include/sys/resource.h (__getrlimit): Use libc_hidden_proto.
	* nptl/nptl-init.c (__pthread_initialize_minimal_internal): Use
	__getrlimit instead of getrlimit.
	* nptl/pthread_cond_timedwait.c (__pthread_cond_timedwait): Use
	__gettimeofday instead of gettimeofday.
	* nptl/pthread_rwlock_timedrdlock.c (pthread_rwlock_timedrdlock):
	Likewise.
	* nptl/pthread_rwlock_timedwrlock.c (pthread_rwlock_timedwrlock):
	Likewise.
	* sysdeps/pthread/aio_misc.c (handle_fildes_io): Likewise.
	* conform/Makefile (test-xfail-POSIX2008/aio.h/linknamespace):
	Remove variable.
	(test-xfail-POSIX2008/pthread.h/linknamespace): Likewise.
	(test-xfail-POSIX2008/time.h/linknamespace): Likewise.

4 files changed, 4 insertions, 4 deletions

diff --git a/nptl/nptl-init.c b/nptl/nptl-init.c
index dcb77c5..8e90f05 100644
--- a/nptl/nptl-init.c
+++ b/nptl/nptl-init.c
@@ -433,7 +433,7 @@ __pthread_initialize_minimal_internal (void)
   /* Determine the default allowed stack size.  This is the size used
      in case the user does not specify one.  */
   struct rlimit limit;
-  if (getrlimit (RLIMIT_STACK, &limit) != 0
+  if (__getrlimit (RLIMIT_STACK, &limit) != 0
       || limit.rlim_cur == RLIM_INFINITY)
     /* The system limit is not usable.  Use an architecture-specific
        default.  */
diff --git a/nptl/pthread_cond_timedwait.c b/nptl/pthread_cond_timedwait.c
index 1c53bdd..989f0a6 100644
--- a/nptl/pthread_cond_timedwait.c
+++ b/nptl/pthread_cond_timedwait.c
@@ -131,7 +131,7 @@ __pthread_cond_timedwait (cond, mutex, abstime)
 # else
 	/* Get the current time.  So far we support only one clock.  */
 	struct timeval tv;
-	(void) gettimeofday (&tv, NULL);
+	(void) __gettimeofday (&tv, NULL);
 
 	/* Convert the absolute timeout value to a relative timeout.  */
 	rt.tv_sec = abstime->tv_sec - tv.tv_sec;
diff --git a/nptl/pthread_rwlock_timedrdlock.c b/nptl/pthread_rwlock_timedrdlock.c
index d3044fb..822ac8b 100644
--- a/nptl/pthread_rwlock_timedrdlock.c
+++ b/nptl/pthread_rwlock_timedrdlock.c
@@ -90,7 +90,7 @@ pthread_rwlock_timedrdlock (rwlock, abstime)
      || !defined lll_futex_timed_wait_bitset)
       /* Get the current time.  So far we support only one clock.  */
       struct timeval tv;
-      (void) gettimeofday (&tv, NULL);
+      (void) __gettimeofday (&tv, NULL);
 
       /* Convert the absolute timeout value to a relative timeout.  */
       struct timespec rt;
diff --git a/nptl/pthread_rwlock_timedwrlock.c b/nptl/pthread_rwlock_timedwrlock.c
index 560403f..22f9ad5 100644
--- a/nptl/pthread_rwlock_timedwrlock.c
+++ b/nptl/pthread_rwlock_timedwrlock.c
@@ -81,7 +81,7 @@ pthread_rwlock_timedwrlock (rwlock, abstime)
      || !defined lll_futex_timed_wait_bitset)
       /* Get the current time.  So far we support only one clock.  */
       struct timeval tv;
-      (void) gettimeofday (&tv, NULL);
+      (void) __gettimeofday (&tv, NULL);
 
       /* Convert the absolute timeout value to a relative timeout.  */
       struct timespec rt;