+2017-05-23 Adhemerval Zanella <adhemerval.zanella@linaro.org>
+ Juan Manuel Torres Palma <jmtorrespalma@gmail.com>
+
+ * include/sched.h (__sched_get_priority_max): Add libc hidden proto.
+ (__sched_get_prioriry_min): Likewise.
+ * include/sys/mman.h (__mmap): Likewise.
+ (__mmap64): Likewise.
+ (__munmap): Likewise.
+ (__mprotect): Likewise.
+ * include/termios.h (__tcsetattr): Likewise.
+ * include/time.h (__nanosleep): Use hidden_proto instead of
+ libc_hidden_proto.
+ * posix/nanosleep.c (__nanosleep): Likewise.
+ * misc/Versions (libc): Export __mmap, __munmap, __mprotect,
+ __sched_get_priority_min, and __sched_get_priority_max under
+ GLIBC_PRIVATE.
+ * nptl/allocatestack.c (__free_stacks): Use internal definition for
+ libc symbols.
+ (change_stack_perm): Likewise.
+ (change_stack_perm): Likewise.
+ (allocate_stack): Likewise.
+ * sysdeps/posix/gethostname.c: Likewise.
+ * nptl/tpp.c (__init_sched_fifo_prio): Likewise.
+ * sysdeps/unix/sysv/linux/i386/smp.h (is_smp_system): Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/ioctl.c (__ioctl): Likewise.
+ * nptl/pthreadP.h (__pthread_mutex_timedlock): Add definition.
+ (__pthread_key_delete): Likewise.
+ (__pthread_detach): Likewise.
+ (__pthread_cancel): Likewise.
+ (__pthread_mutex_trylock): Likewise.
+ (__pthread_mutexattr_init): Likewise.
+ (__pthread_mutexattr_settype): Likewise.
+ * nptl/pthread_cancel.c (pthread_cancel): Change to internal name and
+ create alias for exported one.
+ * nptl/pthread_join.c (pthread_join): Likewise.
+ * nptl/pthread_detach.c (pthread_detach): Likewise.
+ * nptl/pthread_key_delete.c (pthread_key_delete): Likewise.
+ * nptl/pthread_mutex_timedlock.c (pthread_mutex_timedlock): Likewise.
+ * nptl/pthread_create.c: Change static requirements for pthread
+ symbols.
+ * nptl/pthread_equal.c (__pthread_equal): Change strong alias to weak
+ for internal definition.
+ * nptl/pthread_exit.c (__pthread_exit): Likewise.
+ * nptl/pthread_getspecific.c (__pthread_getspecific): Likewise.
+ * nptl/pthread_key_create.c (__pthread_key_create): Likewise.
+ * nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy): Likewise.
+ * nptl/pthread_mutex_init.c (__pthread_mutex_init): Likewise.
+ * nptl/pthread_mutex_lock.c (__pthread_mutex_lock): Likewise.
+ * nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
+ * nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock): Likewise.
+ * nptl/pthread_mutexattr_init.c (__pthread_mutexattr_init): Likwise.
+ * nptl/pthread_mutexattr_settype.c (__pthread_mutexattr_settype):
+ Likewise.
+ * nptl/pthread_self.c (__pthread_self): Likewise.
+ * nptl/pthread_setspecific.c (__pthread_setspecific): Likewise.
+ * sysdeps/unix/sysv/linux/tcsetattr.c (tcsetattr): Likewise.
+ * misc/mmap.c (__mmap): Add internal symbol definition.
+ * misc/mmap.c (__mmap64): Likewise.
+ * sysdeps/unix/sysv/linux/mmap.c (__mmap): Likewise.
+ * sysdeps/unix/sysv/linux/mmap64.c (__mmap): Likewise.
+ (__mmap64): Likewise.
+ * sysdeps/unix/sysv/linux/i386/Versions (libc) [GLIBC_PRIVATE):
+ Add __uname.
+
2017-06-23 Joseph Myers <joseph@codesourcery.com>
* sysdeps/i386/fpu/libm-test-ulps: Update.
extern int __sched_yield (void);
libc_hidden_proto (__sched_yield)
extern int __sched_get_priority_max (int __algorithm);
+libc_hidden_proto (__sched_get_priority_max)
extern int __sched_get_priority_min (int __algorithm);
+libc_hidden_proto (__sched_get_priority_min)
extern int __sched_rr_get_interval (__pid_t __pid, struct timespec *__t);
/* These are Linux specific. */
/* Now define the internal interfaces. */
extern void *__mmap (void *__addr, size_t __len, int __prot,
int __flags, int __fd, __off_t __offset);
+libc_hidden_proto (__mmap)
extern void *__mmap64 (void *__addr, size_t __len, int __prot,
int __flags, int __fd, __off64_t __offset);
+libc_hidden_proto (__mmap64)
extern int __munmap (void *__addr, size_t __len);
+libc_hidden_proto (__munmap)
extern int __mprotect (void *__addr, size_t __len, int __prot);
+libc_hidden_proto (__mprotect)
extern int __madvise (void *__addr, size_t __len, int __advice);
libc_hidden_proto (__madvise)
#ifndef _ISOMAC
/* Now define the internal interfaces. */
extern int __tcgetattr (int __fd, struct termios *__termios_p);
+extern int __tcsetattr (int __fd, int __optional_actions,
+ const struct termios *__termios_p);
extern int __libc_tcdrain (int __fd);
extern int __nanosleep (const struct timespec *__requested_time,
struct timespec *__remaining);
-libc_hidden_proto (__nanosleep)
+hidden_proto (__nanosleep)
extern int __nanosleep_nocancel (const struct timespec *__requested_time,
struct timespec *__remaining)
attribute_hidden;
__mktemp;
__libc_ifunc_impl_list;
__tdelete; __tfind; __tsearch; __twalk;
+ __mmap; __munmap; __mprotect;
+ __sched_get_priority_min; __sched_get_priority_max;
}
}
stub_warning (mmap)
weak_alias (__mmap, mmap)
+libc_hidden_def (__mmap)
}
weak_alias (__mmap64, mmap64)
+libc_hidden_def (__mmap64)
/* Remove this block. This should never fail. If it does
something is really wrong. */
- if (munmap (curr->stackblock, curr->stackblock_size) != 0)
+ if (__munmap (curr->stackblock, curr->stackblock_size) != 0)
abort ();
/* Maybe we have freed enough. */
#else
# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP"
#endif
- if (mprotect (stack, len, PROT_READ | PROT_WRITE | PROT_EXEC) != 0)
+ if (__mprotect (stack, len, PROT_READ | PROT_WRITE | PROT_EXEC) != 0)
return errno;
return 0;
#if _STACK_GROWS_DOWN
/* As defined at guard_position, for architectures with downward stack
the guard page is always at start of the allocated area. */
- if (mprotect (guardend, size - guardsize, prot) != 0)
+ if (__mprotect (guardend, size - guardsize, prot) != 0)
return errno;
#else
size_t mprots1 = (uintptr_t) guard - (uintptr_t) mem;
- if (mprotect (mem, mprots1, prot) != 0)
+ if (__mprotect (mem, mprots1, prot) != 0)
return errno;
size_t mprots2 = ((uintptr_t) mem + size) - (uintptr_t) guardend;
- if (mprotect (guardend, mprots2, prot) != 0)
+ if (__mprotect (guardend, mprots2, prot) != 0)
return errno;
#endif
return 0;
/* If a guard page is required, avoid committing memory by first
allocate with PROT_NONE and then reserve with required permission
excluding the guard page. */
- mem = mmap (NULL, size, (guardsize == 0) ? prot : PROT_NONE,
- MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
+ mem = __mmap (NULL, size, (guardsize == 0) ? prot : PROT_NONE,
+ MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
if (__glibc_unlikely (mem == MAP_FAILED))
return errno;
pagesize_m1);
if (setup_stack_prot (mem, size, guard, guardsize, prot) != 0)
{
- munmap (mem, size);
+ __munmap (mem, size);
return errno;
}
}
assert (errno == ENOMEM);
/* Free the stack memory we just allocated. */
- (void) munmap (mem, size);
+ (void) __munmap (mem, size);
return errno;
}
if (err != 0)
{
/* Free the stack memory we just allocated. */
- (void) munmap (mem, size);
+ (void) __munmap (mem, size);
return err;
}
{
char *guard = guard_position (mem, size, guardsize, pd,
pagesize_m1);
- if (mprotect (guard, guardsize, PROT_NONE) != 0)
+ if (__mprotect (guard, guardsize, PROT_NONE) != 0)
{
mprot_error:
lll_lock (stack_cache_lock, LLL_PRIVATE);
of memory caused problems we better do not use it
anymore. Uh, and we ignore possible errors. There
is nothing we could do. */
- (void) munmap (mem, size);
+ (void) __munmap (mem, size);
return errno;
}
char *oldguard = mem + (((size - pd->guardsize) / 2) & ~pagesize_m1);
if (oldguard < guard
- && mprotect (oldguard, guard - oldguard, prot) != 0)
+ && __mprotect (oldguard, guard - oldguard, prot) != 0)
goto mprot_error;
- if (mprotect (guard + guardsize,
+ if (__mprotect (guard + guardsize,
oldguard + pd->guardsize - guard - guardsize,
prot) != 0)
goto mprot_error;
#elif _STACK_GROWS_DOWN
- if (mprotect ((char *) mem + guardsize, pd->guardsize - guardsize,
+ if (__mprotect ((char *) mem + guardsize, pd->guardsize - guardsize,
prot) != 0)
goto mprot_error;
#elif _STACK_GROWS_UP
- if (mprotect ((char *) pd - pd->guardsize,
+ if (__mprotect ((char *) pd - pd->guardsize,
pd->guardsize - guardsize, prot) != 0)
goto mprot_error;
#endif
extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex);
extern int __pthread_mutex_trylock (pthread_mutex_t *_mutex);
extern int __pthread_mutex_lock (pthread_mutex_t *__mutex);
+extern int __pthread_mutex_timedlock (pthread_mutex_t *__mutex,
+ const struct timespec *__abstime);
extern int __pthread_mutex_cond_lock (pthread_mutex_t *__mutex)
attribute_hidden internal_function;
extern void __pthread_mutex_cond_lock_adjust (pthread_mutex_t *__mutex)
extern int __pthread_condattr_destroy (pthread_condattr_t *attr);
extern int __pthread_condattr_init (pthread_condattr_t *attr);
extern int __pthread_key_create (pthread_key_t *key, void (*destr) (void *));
+extern int __pthread_key_delete (pthread_key_t key);
extern void *__pthread_getspecific (pthread_key_t key);
extern int __pthread_setspecific (pthread_key_t key, const void *value);
extern int __pthread_once (pthread_once_t *once_control,
void (*child) (void));
extern pthread_t __pthread_self (void);
extern int __pthread_equal (pthread_t thread1, pthread_t thread2);
+extern int __pthread_detach (pthread_t th);
+extern int __pthread_cancel (pthread_t th);
extern int __pthread_kill (pthread_t threadid, int signo);
extern void __pthread_exit (void *value) __attribute__ ((__noreturn__));
+extern int __pthread_join (pthread_t threadid, void **thread_return);
extern int __pthread_setcanceltype (int type, int *oldtype);
extern int __pthread_enable_asynccancel (void) attribute_hidden;
extern void __pthread_disable_asynccancel (int oldtype)
hidden_proto (__pthread_mutex_init)
hidden_proto (__pthread_mutex_destroy)
hidden_proto (__pthread_mutex_lock)
+hidden_proto (__pthread_mutex_trylock)
hidden_proto (__pthread_mutex_unlock)
hidden_proto (__pthread_rwlock_rdlock)
hidden_proto (__pthread_rwlock_wrlock)
hidden_proto (__pthread_once)
hidden_proto (__pthread_setcancelstate)
hidden_proto (__pthread_testcancel)
+hidden_proto (__pthread_mutexattr_init)
+hidden_proto (__pthread_mutexattr_settype)
#endif
extern int __pthread_cond_broadcast_2_0 (pthread_cond_2_0_t *cond);
#include <unistd.h>
int
-pthread_cancel (pthread_t th)
+__pthread_cancel (pthread_t th)
{
volatile struct pthread *pd = (volatile struct pthread *) th;
#ifdef SIGCANCEL
/* The cancellation handler will take care of marking the
thread as canceled. */
- pid_t pid = getpid ();
+ pid_t pid = __getpid ();
INTERNAL_SYSCALL_DECL (err);
int val = INTERNAL_SYSCALL_CALL (tgkill, err, pid, pd->tid,
return result;
}
+weak_alias (__pthread_cancel, pthread_cancel)
-PTHREAD_STATIC_FN_REQUIRE (pthread_create)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_create)
\f
/* If pthread_create is present, libgcc_eh.a and libsupc++.a expects some other POSIX thread
functions to be present as well. */
-PTHREAD_STATIC_FN_REQUIRE (pthread_mutex_lock)
-PTHREAD_STATIC_FN_REQUIRE (pthread_mutex_trylock)
-PTHREAD_STATIC_FN_REQUIRE (pthread_mutex_unlock)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_mutex_lock)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_mutex_trylock)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_mutex_unlock)
-PTHREAD_STATIC_FN_REQUIRE (pthread_once)
-PTHREAD_STATIC_FN_REQUIRE (pthread_cancel)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_once)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_cancel)
-PTHREAD_STATIC_FN_REQUIRE (pthread_key_create)
-PTHREAD_STATIC_FN_REQUIRE (pthread_key_delete)
-PTHREAD_STATIC_FN_REQUIRE (pthread_setspecific)
-PTHREAD_STATIC_FN_REQUIRE (pthread_getspecific)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_key_create)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_key_delete)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_setspecific)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_getspecific)
int
-pthread_detach (pthread_t th)
+__pthread_detach (pthread_t th)
{
struct pthread *pd = (struct pthread *) th;
return result;
}
+weak_alias (__pthread_detach, pthread_detach)
{
return thread1 == thread2;
}
-strong_alias (__pthread_equal, pthread_equal)
+weak_alias (__pthread_equal, pthread_equal)
__do_cancel ();
}
-strong_alias (__pthread_exit, pthread_exit)
+weak_alias (__pthread_exit, pthread_exit)
/* After a thread terminates, __libc_start_main decrements
__nptl_nthreads defined in pthread_create.c. */
-PTHREAD_STATIC_FN_REQUIRE (pthread_create)
+PTHREAD_STATIC_FN_REQUIRE (__pthread_create)
return result;
}
-strong_alias (__pthread_getspecific, pthread_getspecific)
+weak_alias (__pthread_getspecific, pthread_getspecific)
hidden_def (__pthread_getspecific)
int
-pthread_join (pthread_t threadid, void **thread_return)
+__pthread_join (pthread_t threadid, void **thread_return)
{
struct pthread *pd = (struct pthread *) threadid;
return result;
}
+weak_alias (__pthread_join, pthread_join)
return EAGAIN;
}
-strong_alias (__pthread_key_create, pthread_key_create)
+weak_alias (__pthread_key_create, pthread_key_create)
hidden_def (__pthread_key_create)
int
-pthread_key_delete (pthread_key_t key)
+__pthread_key_delete (pthread_key_t key)
{
int result = EINVAL;
return result;
}
+weak_alias (__pthread_key_delete, pthread_key_delete)
return 0;
}
-strong_alias (__pthread_mutex_destroy, pthread_mutex_destroy)
+weak_alias (__pthread_mutex_destroy, pthread_mutex_destroy)
hidden_def (__pthread_mutex_destroy)
return 0;
}
-strong_alias (__pthread_mutex_init, pthread_mutex_init)
+weak_alias (__pthread_mutex_init, pthread_mutex_init)
hidden_def (__pthread_mutex_init)
return 0;
}
#ifndef __pthread_mutex_lock
-strong_alias (__pthread_mutex_lock, pthread_mutex_lock)
+weak_alias (__pthread_mutex_lock, pthread_mutex_lock)
hidden_def (__pthread_mutex_lock)
#endif
#endif
int
-pthread_mutex_timedlock (pthread_mutex_t *mutex,
- const struct timespec *abstime)
+__pthread_mutex_timedlock (pthread_mutex_t *mutex,
+ const struct timespec *abstime)
{
int oldval;
pid_t id = THREAD_GETMEM (THREAD_SELF, tid);
out:
return result;
}
+weak_alias (__pthread_mutex_timedlock, pthread_mutex_timedlock)
#ifndef __pthread_mutex_trylock
#ifndef pthread_mutex_trylock
-strong_alias (__pthread_mutex_trylock, pthread_mutex_trylock)
+weak_alias (__pthread_mutex_trylock, pthread_mutex_trylock)
+hidden_def (__pthread_mutex_trylock)
#endif
#endif
{
return __pthread_mutex_unlock_usercnt (mutex, 1);
}
-strong_alias (__pthread_mutex_unlock, pthread_mutex_unlock)
+weak_alias (__pthread_mutex_unlock, pthread_mutex_unlock)
hidden_def (__pthread_mutex_unlock)
return 0;
}
-strong_alias (__pthread_mutexattr_init, pthread_mutexattr_init)
+weak_alias (__pthread_mutexattr_init, pthread_mutexattr_init)
+hidden_def (__pthread_mutexattr_init)
return 0;
}
weak_alias (__pthread_mutexattr_settype, pthread_mutexattr_setkind_np)
-strong_alias (__pthread_mutexattr_settype, pthread_mutexattr_settype)
+weak_alias (__pthread_mutexattr_settype, pthread_mutexattr_settype)
+hidden_def (__pthread_mutexattr_settype)
{
return (pthread_t) THREAD_SELF;
}
-strong_alias (__pthread_self, pthread_self)
+weak_alias (__pthread_self, pthread_self)
return 0;
}
-strong_alias (__pthread_setspecific, pthread_setspecific)
+weak_alias (__pthread_setspecific, pthread_setspecific)
hidden_def (__pthread_setspecific)
__init_sched_fifo_prio (void)
{
atomic_store_relaxed (&__sched_fifo_max_prio,
- sched_get_priority_max (SCHED_FIFO));
+ __sched_get_priority_max (SCHED_FIFO));
atomic_store_relaxed (&__sched_fifo_min_prio,
- sched_get_priority_min (SCHED_FIFO));
+ __sched_get_priority_min (SCHED_FIFO));
}
int
}
stub_warning (nanosleep)
-libc_hidden_def (__nanosleep)
+hidden_def (__nanosleep)
weak_alias (__nanosleep, nanosleep)
struct utsname buf;
size_t node_len;
- if (uname (&buf))
+ if (__uname (&buf))
return -1;
node_len = strlen (buf.nodename) + 1;
fallocate64;
}
GLIBC_PRIVATE {
- __modify_ldt;
+ __modify_ldt; __uname;
}
}
char *cp;
/* Try reading the number using `sysctl' first. */
- if (uname (&u.uts) == 0)
+ if (__uname (&u.uts) == 0)
cp = u.uts.version;
else
{
#endif
}
weak_alias (__mmap, mmap)
+libc_hidden_def (__mmap)
#endif /* __OFF_T_MATCHES_OFF64_T */
#endif
}
weak_alias (__mmap64, mmap64)
+libc_hidden_def (__mmap64)
#ifdef __OFF_T_MATCHES_OFF64_T
weak_alias (__mmap64, mmap)
weak_alias (__mmap64, __mmap)
+libc_hidden_def (__mmap)
#endif
{
return SYSCALL_CANCEL (nanosleep, requested_time, remaining);
}
-libc_hidden_def (__nanosleep)
+hidden_def (__nanosleep)
weak_alias (__nanosleep, nanosleep)
break;
case TCSETS:
- result = tcsetattr (fd, TCSANOW, (struct termios *) arg);
+ result = __tcsetattr (fd, TCSANOW, (struct termios *) arg);
break;
case TCSETSW:
- result = tcsetattr (fd, TCSADRAIN, (struct termios *) arg);
+ result = __tcsetattr (fd, TCSADRAIN, (struct termios *) arg);
break;
case TCSETSF:
- result = tcsetattr (fd, TCSAFLUSH, (struct termios *) arg);
+ result = __tcsetattr (fd, TCSAFLUSH, (struct termios *) arg);
break;
default:
/* Set the state of FD to *TERMIOS_P. */
int
-tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
+__tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
{
struct __kernel_termios k_termios;
unsigned long int cmd;
return INLINE_SYSCALL (ioctl, 3, fd, cmd, &k_termios);
}
+weak_alias (__tcsetattr, tcsetattr)
libc_hidden_def (tcsetattr)
projects / thirdparty / glibc.git / commitdiff
