9851b3400a
9899:2011 Appendix K 3.7.4.1. Other needed supporting types, defines and constraint_handler infrastructure is added as specified in the C11 spec. Submitted by: Tom Rix <trix@juniper.net> Sponsored by: Juniper Networks Discussed with: ed MFC after: 3 weeks Differential revision: https://reviews.freebsd.org/D9903 Differential revision: https://reviews.freebsd.org/D10161
410 lines
12 KiB
C
410 lines
12 KiB
C
/*
|
|
* Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* Private definitions for libc, libc_r and libpthread.
|
|
*
|
|
*/
|
|
|
|
#ifndef _LIBC_PRIVATE_H_
|
|
#define _LIBC_PRIVATE_H_
|
|
#include <sys/_types.h>
|
|
#include <sys/_pthreadtypes.h>
|
|
|
|
/*
|
|
* This global flag is non-zero when a process has created one
|
|
* or more threads. It is used to avoid calling locking functions
|
|
* when they are not required.
|
|
*/
|
|
extern int __isthreaded;
|
|
|
|
/*
|
|
* Elf_Auxinfo *__elf_aux_vector, the pointer to the ELF aux vector
|
|
* provided by kernel. Either set for us by rtld, or found at runtime
|
|
* on stack for static binaries.
|
|
*
|
|
* Type is void to avoid polluting whole libc with ELF types.
|
|
*/
|
|
extern void *__elf_aux_vector;
|
|
|
|
/*
|
|
* libc should use libc_dlopen internally, which respects a global
|
|
* flag where loading of new shared objects can be restricted.
|
|
*/
|
|
void *libc_dlopen(const char *, int);
|
|
|
|
/*
|
|
* For dynamic linker.
|
|
*/
|
|
void _rtld_error(const char *fmt, ...);
|
|
|
|
/*
|
|
* File lock contention is difficult to diagnose without knowing
|
|
* where locks were set. Allow a debug library to be built which
|
|
* records the source file and line number of each lock call.
|
|
*/
|
|
#ifdef _FLOCK_DEBUG
|
|
#define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__)
|
|
#else
|
|
#define _FLOCKFILE(x) _flockfile(x)
|
|
#endif
|
|
|
|
/*
|
|
* Macros for locking and unlocking FILEs. These test if the
|
|
* process is threaded to avoid locking when not required.
|
|
*/
|
|
#define FLOCKFILE(fp) if (__isthreaded) _FLOCKFILE(fp)
|
|
#define FUNLOCKFILE(fp) if (__isthreaded) _funlockfile(fp)
|
|
|
|
struct _spinlock;
|
|
extern struct _spinlock __stdio_thread_lock __hidden;
|
|
#define STDIO_THREAD_LOCK() \
|
|
do { \
|
|
if (__isthreaded) \
|
|
_SPINLOCK(&__stdio_thread_lock); \
|
|
} while (0)
|
|
#define STDIO_THREAD_UNLOCK() \
|
|
do { \
|
|
if (__isthreaded) \
|
|
_SPINUNLOCK(&__stdio_thread_lock); \
|
|
} while (0)
|
|
|
|
void __libc_spinlock_stub(struct _spinlock *);
|
|
void __libc_spinunlock_stub(struct _spinlock *);
|
|
|
|
/*
|
|
* Indexes into the pthread jump table.
|
|
*
|
|
* Warning! If you change this type, you must also change the threads
|
|
* libraries that reference it (libc_r, libpthread).
|
|
*/
|
|
typedef enum {
|
|
PJT_ATFORK,
|
|
PJT_ATTR_DESTROY,
|
|
PJT_ATTR_GETDETACHSTATE,
|
|
PJT_ATTR_GETGUARDSIZE,
|
|
PJT_ATTR_GETINHERITSCHED,
|
|
PJT_ATTR_GETSCHEDPARAM,
|
|
PJT_ATTR_GETSCHEDPOLICY,
|
|
PJT_ATTR_GETSCOPE,
|
|
PJT_ATTR_GETSTACKADDR,
|
|
PJT_ATTR_GETSTACKSIZE,
|
|
PJT_ATTR_INIT,
|
|
PJT_ATTR_SETDETACHSTATE,
|
|
PJT_ATTR_SETGUARDSIZE,
|
|
PJT_ATTR_SETINHERITSCHED,
|
|
PJT_ATTR_SETSCHEDPARAM,
|
|
PJT_ATTR_SETSCHEDPOLICY,
|
|
PJT_ATTR_SETSCOPE,
|
|
PJT_ATTR_SETSTACKADDR,
|
|
PJT_ATTR_SETSTACKSIZE,
|
|
PJT_CANCEL,
|
|
PJT_CLEANUP_POP,
|
|
PJT_CLEANUP_PUSH,
|
|
PJT_COND_BROADCAST,
|
|
PJT_COND_DESTROY,
|
|
PJT_COND_INIT,
|
|
PJT_COND_SIGNAL,
|
|
PJT_COND_TIMEDWAIT,
|
|
PJT_COND_WAIT,
|
|
PJT_DETACH,
|
|
PJT_EQUAL,
|
|
PJT_EXIT,
|
|
PJT_GETSPECIFIC,
|
|
PJT_JOIN,
|
|
PJT_KEY_CREATE,
|
|
PJT_KEY_DELETE,
|
|
PJT_KILL,
|
|
PJT_MAIN_NP,
|
|
PJT_MUTEXATTR_DESTROY,
|
|
PJT_MUTEXATTR_INIT,
|
|
PJT_MUTEXATTR_SETTYPE,
|
|
PJT_MUTEX_DESTROY,
|
|
PJT_MUTEX_INIT,
|
|
PJT_MUTEX_LOCK,
|
|
PJT_MUTEX_TRYLOCK,
|
|
PJT_MUTEX_UNLOCK,
|
|
PJT_ONCE,
|
|
PJT_RWLOCK_DESTROY,
|
|
PJT_RWLOCK_INIT,
|
|
PJT_RWLOCK_RDLOCK,
|
|
PJT_RWLOCK_TRYRDLOCK,
|
|
PJT_RWLOCK_TRYWRLOCK,
|
|
PJT_RWLOCK_UNLOCK,
|
|
PJT_RWLOCK_WRLOCK,
|
|
PJT_SELF,
|
|
PJT_SETCANCELSTATE,
|
|
PJT_SETCANCELTYPE,
|
|
PJT_SETSPECIFIC,
|
|
PJT_SIGMASK,
|
|
PJT_TESTCANCEL,
|
|
PJT_CLEANUP_POP_IMP,
|
|
PJT_CLEANUP_PUSH_IMP,
|
|
PJT_CANCEL_ENTER,
|
|
PJT_CANCEL_LEAVE,
|
|
PJT_MUTEX_CONSISTENT,
|
|
PJT_MUTEXATTR_GETROBUST,
|
|
PJT_MUTEXATTR_SETROBUST,
|
|
PJT_MAX
|
|
} pjt_index_t;
|
|
|
|
typedef int (*pthread_func_t)(void);
|
|
typedef pthread_func_t pthread_func_entry_t[2];
|
|
|
|
extern pthread_func_entry_t __thr_jtable[];
|
|
|
|
void __set_error_selector(int *(*arg)(void));
|
|
int _pthread_mutex_init_calloc_cb_stub(pthread_mutex_t *mutex,
|
|
void *(calloc_cb)(__size_t, __size_t));
|
|
|
|
typedef int (*interpos_func_t)(void);
|
|
interpos_func_t *__libc_interposing_slot(int interposno);
|
|
extern interpos_func_t __libc_interposing[] __hidden;
|
|
|
|
enum {
|
|
INTERPOS_accept,
|
|
INTERPOS_accept4,
|
|
INTERPOS_aio_suspend,
|
|
INTERPOS_close,
|
|
INTERPOS_connect,
|
|
INTERPOS_fcntl,
|
|
INTERPOS_fsync,
|
|
INTERPOS_fork,
|
|
INTERPOS_msync,
|
|
INTERPOS_nanosleep,
|
|
INTERPOS_openat,
|
|
INTERPOS_poll,
|
|
INTERPOS_pselect,
|
|
INTERPOS_recvfrom,
|
|
INTERPOS_recvmsg,
|
|
INTERPOS_select,
|
|
INTERPOS_sendmsg,
|
|
INTERPOS_sendto,
|
|
INTERPOS_setcontext,
|
|
INTERPOS_sigaction,
|
|
INTERPOS_sigprocmask,
|
|
INTERPOS_sigsuspend,
|
|
INTERPOS_sigwait,
|
|
INTERPOS_sigtimedwait,
|
|
INTERPOS_sigwaitinfo,
|
|
INTERPOS_swapcontext,
|
|
INTERPOS_system,
|
|
INTERPOS_tcdrain,
|
|
INTERPOS_read,
|
|
INTERPOS_readv,
|
|
INTERPOS_wait4,
|
|
INTERPOS_write,
|
|
INTERPOS_writev,
|
|
INTERPOS__pthread_mutex_init_calloc_cb,
|
|
INTERPOS_spinlock,
|
|
INTERPOS_spinunlock,
|
|
INTERPOS_kevent,
|
|
INTERPOS_wait6,
|
|
INTERPOS_ppoll,
|
|
INTERPOS_map_stacks_exec,
|
|
INTERPOS_fdatasync,
|
|
INTERPOS_clock_nanosleep,
|
|
INTERPOS_MAX
|
|
};
|
|
|
|
/*
|
|
* yplib internal interfaces
|
|
*/
|
|
#ifdef YP
|
|
int _yp_check(char **);
|
|
#endif
|
|
|
|
/*
|
|
* Initialise TLS for static programs
|
|
*/
|
|
void _init_tls(void);
|
|
|
|
/*
|
|
* Provides pthread_once()-like functionality for both single-threaded
|
|
* and multi-threaded applications.
|
|
*/
|
|
int _once(pthread_once_t *, void (*)(void));
|
|
|
|
/*
|
|
* Set the TLS thread pointer
|
|
*/
|
|
void _set_tp(void *tp);
|
|
|
|
/*
|
|
* This is a pointer in the C run-time startup code. It is used
|
|
* by getprogname() and setprogname().
|
|
*/
|
|
extern const char *__progname;
|
|
|
|
/*
|
|
* This function is used by the threading libraries to notify malloc that a
|
|
* thread is exiting.
|
|
*/
|
|
void _malloc_thread_cleanup(void);
|
|
|
|
/*
|
|
* This function is used by the threading libraries to notify libc that a
|
|
* thread is exiting, so its thread-local dtors should be called.
|
|
*/
|
|
void __cxa_thread_call_dtors(void);
|
|
int __cxa_thread_atexit_hidden(void (*dtor_func)(void *), void *obj,
|
|
void *dso_symbol) __hidden;
|
|
|
|
/*
|
|
* These functions are used by the threading libraries in order to protect
|
|
* malloc across fork().
|
|
*/
|
|
void _malloc_prefork(void);
|
|
void _malloc_postfork(void);
|
|
|
|
void _malloc_first_thread(void);
|
|
|
|
/*
|
|
* Function to clean up streams, called from abort() and exit().
|
|
*/
|
|
extern void (*__cleanup)(void) __hidden;
|
|
|
|
/*
|
|
* Get kern.osreldate to detect ABI revisions. Explicitly
|
|
* ignores value of $OSVERSION and caches result.
|
|
*/
|
|
int __getosreldate(void);
|
|
#include <sys/_types.h>
|
|
#include <sys/_sigset.h>
|
|
|
|
struct aiocb;
|
|
struct fd_set;
|
|
struct iovec;
|
|
struct kevent;
|
|
struct msghdr;
|
|
struct pollfd;
|
|
struct rusage;
|
|
struct sigaction;
|
|
struct sockaddr;
|
|
struct timespec;
|
|
struct timeval;
|
|
struct timezone;
|
|
struct __siginfo;
|
|
struct __ucontext;
|
|
struct __wrusage;
|
|
enum idtype;
|
|
int __sys_aio_suspend(const struct aiocb * const[], int,
|
|
const struct timespec *);
|
|
int __sys_accept(int, struct sockaddr *, __socklen_t *);
|
|
int __sys_accept4(int, struct sockaddr *, __socklen_t *, int);
|
|
int __sys_clock_gettime(__clockid_t, struct timespec *ts);
|
|
int __sys_clock_nanosleep(__clockid_t, int,
|
|
const struct timespec *, struct timespec *);
|
|
int __sys_close(int);
|
|
int __sys_connect(int, const struct sockaddr *, __socklen_t);
|
|
int __sys_fcntl(int, int, ...);
|
|
int __sys_fdatasync(int);
|
|
int __sys_fsync(int);
|
|
__pid_t __sys_fork(void);
|
|
int __sys_ftruncate(int, __off_t);
|
|
int __sys_gettimeofday(struct timeval *, struct timezone *);
|
|
int __sys_kevent(int, const struct kevent *, int, struct kevent *,
|
|
int, const struct timespec *);
|
|
__off_t __sys_lseek(int, __off_t, int);
|
|
void *__sys_mmap(void *, __size_t, int, int, int, __off_t);
|
|
int __sys_msync(void *, __size_t, int);
|
|
int __sys_nanosleep(const struct timespec *, struct timespec *);
|
|
int __sys_open(const char *, int, ...);
|
|
int __sys_openat(int, const char *, int, ...);
|
|
int __sys_pselect(int, struct fd_set *, struct fd_set *,
|
|
struct fd_set *, const struct timespec *,
|
|
const __sigset_t *);
|
|
int __sys_ptrace(int, __pid_t, char *, int);
|
|
int __sys_poll(struct pollfd *, unsigned, int);
|
|
int __sys_ppoll(struct pollfd *, unsigned, const struct timespec *,
|
|
const __sigset_t *);
|
|
__ssize_t __sys_pread(int, void *, __size_t, __off_t);
|
|
__ssize_t __sys_pwrite(int, const void *, __size_t, __off_t);
|
|
__ssize_t __sys_read(int, void *, __size_t);
|
|
__ssize_t __sys_readv(int, const struct iovec *, int);
|
|
__ssize_t __sys_recv(int, void *, __size_t, int);
|
|
__ssize_t __sys_recvfrom(int, void *, __size_t, int, struct sockaddr *,
|
|
__socklen_t *);
|
|
__ssize_t __sys_recvmsg(int, struct msghdr *, int);
|
|
int __sys_select(int, struct fd_set *, struct fd_set *,
|
|
struct fd_set *, struct timeval *);
|
|
__ssize_t __sys_sendmsg(int, const struct msghdr *, int);
|
|
__ssize_t __sys_sendto(int, const void *, __size_t, int,
|
|
const struct sockaddr *, __socklen_t);
|
|
int __sys_setcontext(const struct __ucontext *);
|
|
int __sys_sigaction(int, const struct sigaction *,
|
|
struct sigaction *);
|
|
int __sys_sigprocmask(int, const __sigset_t *, __sigset_t *);
|
|
int __sys_sigsuspend(const __sigset_t *);
|
|
int __sys_sigtimedwait(const __sigset_t *, struct __siginfo *,
|
|
const struct timespec *);
|
|
int __sys_sigwait(const __sigset_t *, int *);
|
|
int __sys_sigwaitinfo(const __sigset_t *, struct __siginfo *);
|
|
int __sys_swapcontext(struct __ucontext *,
|
|
const struct __ucontext *);
|
|
int __sys_thr_kill(long, int);
|
|
int __sys_thr_self(long *);
|
|
int __sys_truncate(const char *, __off_t);
|
|
__pid_t __sys_wait4(__pid_t, int *, int, struct rusage *);
|
|
__pid_t __sys_wait6(enum idtype, __id_t, int *, int,
|
|
struct __wrusage *, struct __siginfo *);
|
|
__ssize_t __sys_write(int, const void *, __size_t);
|
|
__ssize_t __sys_writev(int, const struct iovec *, int);
|
|
|
|
int __libc_sigaction(int, const struct sigaction *,
|
|
struct sigaction *) __hidden;
|
|
int __libc_sigprocmask(int, const __sigset_t *, __sigset_t *)
|
|
__hidden;
|
|
int __libc_sigsuspend(const __sigset_t *) __hidden;
|
|
int __libc_sigwait(const __sigset_t * __restrict,
|
|
int * restrict sig);
|
|
int __libc_system(const char *);
|
|
int __libc_tcdrain(int);
|
|
int __fcntl_compat(int fd, int cmd, ...);
|
|
|
|
int __sys_futimens(int fd, const struct timespec *times) __hidden;
|
|
int __sys_utimensat(int fd, const char *path,
|
|
const struct timespec *times, int flag) __hidden;
|
|
|
|
/* execve() with PATH processing to implement posix_spawnp() */
|
|
int _execvpe(const char *, char * const *, char * const *);
|
|
|
|
int _elf_aux_info(int aux, void *buf, int buflen);
|
|
struct dl_phdr_info;
|
|
int __elf_phdr_match_addr(struct dl_phdr_info *, void *);
|
|
void __init_elf_aux_vector(void);
|
|
void __libc_map_stacks_exec(void);
|
|
|
|
void _pthread_cancel_enter(int);
|
|
void _pthread_cancel_leave(int);
|
|
|
|
void __throw_constraint_handler_s(const char * restrict msg, int error);
|
|
|
|
#endif /* _LIBC_PRIVATE_H_ */
|