/* * Copyright (c) 1995-1998 John Birrell . * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by John Birrell. * 4. 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 AUTHOR 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. * * Private thread definitions for the uthread kernel. * * $FreeBSD: src/lib/libpthread/thread/thr_private.h,v 1.120 2004/11/01 10:49:34 davidxu Exp $ * $DragonFly: src/lib/libthread_xu/thread/thr_private.h,v 1.3 2005/03/29 19:26:20 joerg Exp $ */ #ifndef _THR_PRIVATE_H #define _THR_PRIVATE_H /* * Include files. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "pthread_md.h" #include "thr_umtx.h" /* * Evaluate the storage class specifier. */ #ifdef GLOBAL_PTHREAD_PRIVATE #define SCLASS #define SCLASS_PRESET(x...) = x #else #define SCLASS extern #define SCLASS_PRESET(x...) #endif /* Signal to do cancellation */ #define SIGCANCEL 32 /* * Kernel fatal error handler macro. */ #define PANIC(string) _thread_exit(__FILE__,__LINE__,string) /* Output debug messages like this: */ #define stdout_debug(args...) _thread_printf(STDOUT_FILENO, ##args) #define stderr_debug(args...) _thread_printf(STDOUT_FILENO, ##args) #ifdef __DragonFly__ #define __predict_true(exp) (exp) #define __predict_false(exp) (exp) #endif #ifdef _PTHREADS_INVARIANTS #define THR_ASSERT(cond, msg) do { \ if (__predict_false(!(cond))) \ PANIC(msg); \ } while (0) #else #define THR_ASSERT(cond, msg) #endif #define TIMESPEC_ADD(dst, src, val) \ do { \ (dst)->tv_sec = (src)->tv_sec + (val)->tv_sec; \ (dst)->tv_nsec = (src)->tv_nsec + (val)->tv_nsec; \ if ((dst)->tv_nsec > 1000000000) { \ (dst)->tv_sec++; \ (dst)->tv_nsec -= 1000000000; \ } \ } while (0) #define TIMESPEC_SUB(dst, src, val) \ do { \ (dst)->tv_sec = (src)->tv_sec - (val)->tv_sec; \ (dst)->tv_nsec = (src)->tv_nsec - (val)->tv_nsec; \ if ((dst)->tv_nsec < 0) { \ (dst)->tv_sec--; \ (dst)->tv_nsec += 1000000000; \ } \ } while (0) struct pthread_mutex { /* * Lock for accesses to this structure. */ volatile umtx_t m_lock; enum pthread_mutextype m_type; int m_protocol; TAILQ_HEAD(mutex_head, pthread) m_queue; struct pthread *m_owner; long m_flags; int m_count; int m_refcount; /* * Used for priority inheritence and protection. * * m_prio - For priority inheritence, the highest active * priority (threads locking the mutex inherit * this priority). For priority protection, the * ceiling priority of this mutex. * m_saved_prio - mutex owners inherited priority before * taking the mutex, restored when the owner * unlocks the mutex. */ int m_prio; int m_saved_prio; /* * Link for list of all mutexes a thread currently owns. */ TAILQ_ENTRY(pthread_mutex) m_qe; }; #define TAILQ_INITIALIZER { NULL, NULL } #define PTHREAD_MUTEX_STATIC_INITIALIZER \ {0, PTHREAD_MUTEX_DEFAULT, PTHREAD_PRIO_NONE, TAILQ_INITIALIZER, \ NULL, { NULL }, MUTEX_FLAGS_PRIVATE, 0, 0, 0, TAILQ_INITIALIZER } /* * Flags for mutexes. */ #define MUTEX_FLAGS_PRIVATE 0x01 #define MUTEX_FLAGS_INITED 0x02 #define MUTEX_FLAGS_BUSY 0x04 struct pthread_mutex_attr { enum pthread_mutextype m_type; int m_protocol; int m_ceiling; long m_flags; }; #define PTHREAD_MUTEXATTR_STATIC_INITIALIZER \ { PTHREAD_MUTEX_DEFAULT, PTHREAD_PRIO_NONE, 0, MUTEX_FLAGS_PRIVATE } struct pthread_cond { /* * Lock for accesses to this structure. */ volatile umtx_t c_lock; volatile umtx_t c_seqno; volatile int c_waiters; volatile int c_wakeups; int c_pshared; int c_clockid; }; struct pthread_cond_attr { int c_pshared; int c_clockid; }; struct pthread_barrier { volatile umtx_t b_lock; volatile umtx_t b_cycle; volatile int b_count; volatile int b_waiters; }; struct pthread_barrierattr { int pshared; }; struct pthread_spinlock { volatile umtx_t s_lock; }; /* * Flags for condition variables. */ #define COND_FLAGS_PRIVATE 0x01 #define COND_FLAGS_INITED 0x02 #define COND_FLAGS_BUSY 0x04 /* * Cleanup definitions. */ struct pthread_cleanup { struct pthread_cleanup *next; void (*routine)(); void *routine_arg; int onstack; }; #define THR_CLEANUP_PUSH(td, func, arg) { \ struct pthread_cleanup __cup; \ \ __cup.routine = func; \ __cup.routine_arg = arg; \ __cup.onstack = 1; \ __cup.next = (td)->cleanup; \ (td)->cleanup = &__cup; #define THR_CLEANUP_POP(td, exec) \ (td)->cleanup = __cup.next; \ if ((exec) != 0) \ __cup.routine(__cup.routine_arg); \ } struct pthread_atfork { TAILQ_ENTRY(pthread_atfork) qe; void (*prepare)(void); void (*parent)(void); void (*child)(void); }; struct pthread_attr { int sched_policy; int sched_inherit; int sched_interval; int prio; int suspend; #define THR_STACK_USER 0x100 /* 0xFF reserved for */ int flags; void *arg_attr; void (*cleanup_attr)(); void *stackaddr_attr; size_t stacksize_attr; size_t guardsize_attr; }; /* * Thread creation state attributes. */ #define THR_CREATE_RUNNING 0 #define THR_CREATE_SUSPENDED 1 /* * Miscellaneous definitions. */ #define THR_STACK_DEFAULT (sizeof(void *) / 4 * 1024 * 1024) /* * Maximum size of initial thread's stack. This perhaps deserves to be larger * than the stacks of other threads, since many applications are likely to run * almost entirely on this stack. */ #define THR_STACK_INITIAL (THR_STACK_DEFAULT * 2) /* * Define the different priority ranges. All applications have thread * priorities constrained within 0-31. The threads library raises the * priority when delivering signals in order to ensure that signal * delivery happens (from the POSIX spec) "as soon as possible". * In the future, the threads library will also be able to map specific * threads into real-time (cooperating) processes or kernel threads. * The RT and SIGNAL priorities will be used internally and added to * thread base priorities so that the scheduling queue can handle both * normal and RT priority threads with and without signal handling. * * The approach taken is that, within each class, signal delivery * always has priority over thread execution. */ #define THR_DEFAULT_PRIORITY 15 #define THR_MIN_PRIORITY 0 #define THR_MAX_PRIORITY 31 /* 0x1F */ #define THR_SIGNAL_PRIORITY 32 /* 0x20 */ #define THR_RT_PRIORITY 64 /* 0x40 */ #define THR_FIRST_PRIORITY THR_MIN_PRIORITY #define THR_LAST_PRIORITY \ (THR_MAX_PRIORITY + THR_SIGNAL_PRIORITY + THR_RT_PRIORITY) #define THR_BASE_PRIORITY(prio) ((prio) & THR_MAX_PRIORITY) /* * Time slice period in microseconds. */ #define TIMESLICE_USEC 20000 struct pthread_rwlockattr { int pshared; }; struct pthread_rwlock { pthread_mutex_t lock; /* monitor lock */ pthread_cond_t read_signal; pthread_cond_t write_signal; int state; /* 0 = idle >0 = # of readers -1 = writer */ int blocked_writers; }; /* * Thread states. */ enum pthread_state { PS_RUNNING, PS_DEAD }; union pthread_wait_data { pthread_mutex_t mutex; }; struct pthread_specific_elem { const void *data; int seqno; }; struct pthread_key { volatile int allocated; volatile int count; int seqno; void (*destructor)(void *); }; /* * Thread structure. */ struct pthread { /* * Magic value to help recognize a valid thread structure * from an invalid one: */ #define THR_MAGIC ((u_int32_t) 0xd09ba115) u_int32_t magic; char *name; u_int64_t uniqueid; /* for gdb */ /* * Lock for accesses to this thread structure. */ umtx_t lock; /* Thread is terminated in kernel, written by kernel. */ long terminated; /* Kernel thread id. */ long tid; /* Internal condition variable cycle number. */ umtx_t cycle; /* How many low level locks the thread held. */ int locklevel; /* Signal blocked counter. */ int sigblock; /* Queue entry for list of all threads. */ TAILQ_ENTRY(pthread) tle; /* link for all threads in process */ /* Queue entry for GC lists. */ TAILQ_ENTRY(pthread) gcle; /* Hash queue entry. */ LIST_ENTRY(pthread) hle; /* Threads reference count. */ int refcount; /* * Thread start routine, argument, stack pointer and thread * attributes. */ void *(*start_routine)(void *); void *arg; struct pthread_attr attr; /* * Cancelability flags */ #define THR_CANCEL_DISABLE 0x0001 #define THR_CANCEL_EXITING 0x0002 #define THR_CANCEL_AT_POINT 0x0004 #define THR_CANCEL_NEEDED 0x0008 #define SHOULD_CANCEL(val) \ (((val) & (THR_CANCEL_DISABLE | THR_CANCEL_EXITING | \ THR_CANCEL_NEEDED)) == THR_CANCEL_NEEDED) #define SHOULD_ASYNC_CANCEL(val) \ (((val) & (THR_CANCEL_DISABLE | THR_CANCEL_EXITING | \ THR_CANCEL_NEEDED | THR_CANCEL_AT_POINT)) == \ (THR_CANCEL_NEEDED | THR_CANCEL_AT_POINT)) int cancelflags; /* Thread temporary signal mask. */ sigset_t sigmask; /* Thread state: */ umtx_t state; /* * Error variable used instead of errno. The function __error() * returns a pointer to this. */ int error; /* * The joiner is the thread that is joining to this thread. The * join status keeps track of a join operation to another thread. */ struct pthread *joiner; /* * The current thread can belong to a priority mutex queue. * This is the synchronization queue link. */ TAILQ_ENTRY(pthread) sqe; /* Wait data. */ union pthread_wait_data data; int sflags; #define THR_FLAGS_IN_SYNCQ 0x0001 /* Miscellaneous flags; only set with scheduling lock held. */ int flags; #define THR_FLAGS_PRIVATE 0x0001 #define THR_FLAGS_NEED_SUSPEND 0x0002 /* thread should be suspended */ #define THR_FLAGS_SUSPENDED 0x0004 /* thread is suspended */ /* Thread list flags; only set with thread list lock held. */ int tlflags; #define TLFLAGS_GC_SAFE 0x0001 /* thread safe for cleaning */ #define TLFLAGS_IN_TDLIST 0x0002 /* thread in all thread list */ #define TLFLAGS_IN_GCLIST 0x0004 /* thread in gc list */ #define TLFLAGS_DETACHED 0x0008 /* thread is detached */ /* * Base priority is the user setable and retrievable priority * of the thread. It is only affected by explicit calls to * set thread priority and upon thread creation via a thread * attribute or default priority. */ char base_priority; /* * Inherited priority is the priority a thread inherits by * taking a priority inheritence or protection mutex. It * is not affected by base priority changes. Inherited * priority defaults to and remains 0 until a mutex is taken * that is being waited on by any other thread whose priority * is non-zero. */ char inherited_priority; /* * Active priority is always the maximum of the threads base * priority and inherited priority. When there is a change * in either the base or inherited priority, the active * priority must be recalculated. */ char active_priority; /* Number of priority ceiling or protection mutexes owned. */ int priority_mutex_count; /* Queue of currently owned simple type mutexes. */ TAILQ_HEAD(, pthread_mutex) mutexq; /* Queue of currently owned priority type mutexs. */ TAILQ_HEAD(, pthread_mutex) pri_mutexq; void *ret; struct pthread_specific_elem *specific; int specific_data_count; /* Number rwlocks rdlocks held. */ int rdlock_count; /* * Current locks bitmap for rtld. */ int rtld_bits; /* Thread control block */ struct tls_tcb *tcb; /* Cleanup handlers Link List */ struct pthread_cleanup *cleanup; }; #define THR_UMTX_TRYLOCK(thrd, lck) \ _thr_umtx_trylock((lck), (thrd)->tid) #define THR_UMTX_LOCK(thrd, lck) \ _thr_umtx_lock((lck), (thrd)->tid) #define THR_UMTX_TIMEDLOCK(thrd, lck, timo) \ _thr_umtx_timedlock((lck), (thrd)->tid, (timo)) #define THR_UMTX_UNLOCK(thrd, lck) \ _thr_umtx_unlock((lck), (thrd)->tid) #define THR_LOCK_ACQUIRE(thrd, lck) \ do { \ (thrd)->locklevel++; \ _thr_umtx_lock(lck, (thrd)->tid); \ } while (0) #define THR_LOCK_RELEASE(thrd, lck) \ do { \ if ((thrd)->locklevel > 0) { \ _thr_umtx_unlock((lck), (thrd)->tid); \ (thrd)->locklevel--; \ } else { \ _thr_assert_lock_level(); \ } \ } while (0) #define THR_LOCK(curthrd) THR_LOCK_ACQUIRE(curthrd, &(curthrd)->lock) #define THR_UNLOCK(curthrd) THR_LOCK_RELEASE(curthrd, &(curthrd)->lock) #define THR_THREAD_LOCK(curthrd, thr) THR_LOCK_ACQUIRE(curthrd, &(thr)->lock) #define THR_THREAD_UNLOCK(curthrd, thr) THR_LOCK_RELEASE(curthrd, &(thr)->lock) #define THREAD_LIST_LOCK(curthrd) \ do { \ THR_LOCK_ACQUIRE((curthrd), &_thr_list_lock); \ } while (0) #define THREAD_LIST_UNLOCK(curthrd) \ do { \ THR_LOCK_RELEASE((curthrd), &_thr_list_lock); \ } while (0) /* * Macros to insert/remove threads to the all thread list and * the gc list. */ #define THR_LIST_ADD(thrd) do { \ if (((thrd)->tlflags & TLFLAGS_IN_TDLIST) == 0) { \ TAILQ_INSERT_HEAD(&_thread_list, thrd, tle); \ _thr_hash_add(thrd); \ (thrd)->tlflags |= TLFLAGS_IN_TDLIST; \ } \ } while (0) #define THR_LIST_REMOVE(thrd) do { \ if (((thrd)->tlflags & TLFLAGS_IN_TDLIST) != 0) { \ TAILQ_REMOVE(&_thread_list, thrd, tle); \ _thr_hash_remove(thrd); \ (thrd)->tlflags &= ~TLFLAGS_IN_TDLIST; \ } \ } while (0) #define THR_GCLIST_ADD(thrd) do { \ if (((thrd)->tlflags & TLFLAGS_IN_GCLIST) == 0) { \ TAILQ_INSERT_HEAD(&_thread_gc_list, thrd, gcle);\ (thrd)->tlflags |= TLFLAGS_IN_GCLIST; \ _gc_count++; \ } \ } while (0) #define THR_GCLIST_REMOVE(thrd) do { \ if (((thrd)->tlflags & TLFLAGS_IN_GCLIST) != 0) { \ TAILQ_REMOVE(&_thread_gc_list, thrd, gcle); \ (thrd)->tlflags &= ~TLFLAGS_IN_GCLIST; \ _gc_count--; \ } \ } while (0) #define GC_NEEDED() (_gc_count >= 5) #define THR_IN_SYNCQ(thrd) (((thrd)->sflags & THR_FLAGS_IN_SYNCQ) != 0) extern int __isthreaded; /* * Global variables for the pthread kernel. */ SCLASS void *_usrstack SCLASS_PRESET(NULL); SCLASS struct pthread *_thr_initial SCLASS_PRESET(NULL); /* For debugger */ SCLASS int _libthread_xu_debug SCLASS_PRESET(0); SCLASS int _thread_scope_system SCLASS_PRESET(0); /* List of all threads: */ SCLASS TAILQ_HEAD(, pthread) _thread_list SCLASS_PRESET(TAILQ_HEAD_INITIALIZER(_thread_list)); /* List of threads needing GC: */ SCLASS TAILQ_HEAD(, pthread) _thread_gc_list SCLASS_PRESET(TAILQ_HEAD_INITIALIZER(_thread_gc_list)); SCLASS int _thread_active_threads SCLASS_PRESET(1); SCLASS TAILQ_HEAD(atfork_head, pthread_atfork) _thr_atfork_list; SCLASS umtx_t _thr_atfork_lock; /* Default thread attributes: */ SCLASS struct pthread_attr _pthread_attr_default SCLASS_PRESET({ .sched_policy = SCHED_RR, .sched_inherit = 0, .sched_interval = TIMESLICE_USEC, .prio = THR_DEFAULT_PRIORITY, .suspend = THR_CREATE_RUNNING, .flags = 0, .arg_attr = NULL, .cleanup_attr = NULL, .stackaddr_attr = NULL, .stacksize_attr = THR_STACK_DEFAULT, .guardsize_attr = 0 }); /* Default mutex attributes: */ SCLASS struct pthread_mutex_attr _pthread_mutexattr_default SCLASS_PRESET({ .m_type = PTHREAD_MUTEX_DEFAULT, .m_protocol = PTHREAD_PRIO_NONE, .m_ceiling = 0, .m_flags = 0 }); /* Default condition variable attributes: */ SCLASS struct pthread_cond_attr _pthread_condattr_default SCLASS_PRESET({ .c_pshared = PTHREAD_PROCESS_PRIVATE, .c_clockid = CLOCK_REALTIME }); SCLASS pid_t _thr_pid SCLASS_PRESET(0); SCLASS int _thr_guard_default; SCLASS int _thr_stack_default SCLASS_PRESET(THR_STACK_DEFAULT); SCLASS int _thr_stack_initial SCLASS_PRESET(THR_STACK_INITIAL); SCLASS int _thr_page_size; /* Garbage thread count. */ SCLASS int _gc_count SCLASS_PRESET(0); SCLASS umtx_t _mutex_static_lock; SCLASS umtx_t _cond_static_lock; SCLASS umtx_t _rwlock_static_lock; SCLASS umtx_t _keytable_lock; SCLASS umtx_t _thr_list_lock; /* Undefine the storage class and preset specifiers: */ #undef SCLASS #undef SCLASS_PRESET /* * Function prototype definitions. */ __BEGIN_DECLS int _thr_setthreaded(int); int _mutex_cv_lock(pthread_mutex_t *); int _mutex_cv_unlock(pthread_mutex_t *); void _mutex_notify_priochange(struct pthread *, struct pthread *, int); int _mutex_reinit(pthread_mutex_t *); void _mutex_fork(struct pthread *curthread); void _mutex_unlock_private(struct pthread *); void _libpthread_init(struct pthread *); void *_pthread_getspecific(pthread_key_t); int _pthread_cond_init(pthread_cond_t *, const pthread_condattr_t *); int _pthread_cond_destroy(pthread_cond_t *); int _pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *); int _pthread_cond_timedwait(pthread_cond_t *, pthread_mutex_t *, const struct timespec *); int _pthread_cond_signal(pthread_cond_t *); int _pthread_cond_broadcast(pthread_cond_t *); int _pthread_key_create(pthread_key_t *, void (*) (void *)); int _pthread_key_delete(pthread_key_t); int _pthread_mutex_destroy(pthread_mutex_t *); int _pthread_mutex_init(pthread_mutex_t *, const pthread_mutexattr_t *); int _pthread_mutex_lock(pthread_mutex_t *); int _pthread_mutex_trylock(pthread_mutex_t *); int _pthread_mutex_unlock(pthread_mutex_t *); int _pthread_mutexattr_init(pthread_mutexattr_t *); int _pthread_mutexattr_destroy(pthread_mutexattr_t *); int _pthread_mutexattr_settype(pthread_mutexattr_t *, int); int _pthread_once(pthread_once_t *, void (*) (void)); int _pthread_rwlock_init(pthread_rwlock_t *, const pthread_rwlockattr_t *); int _pthread_rwlock_destroy (pthread_rwlock_t *); struct pthread *_pthread_self(void); int _pthread_setspecific(pthread_key_t, const void *); void _pthread_testcancel(void); void _pthread_yield(void); void _pthread_cleanup_push(void (*routine) (void *), void *routine_arg); void _pthread_cleanup_pop(int execute); struct pthread *_thr_alloc(struct pthread *); void _thread_exit(char *, int, char *) __dead2; void _thr_exit_cleanup(void); int _thr_ref_add(struct pthread *, struct pthread *, int); void _thr_ref_delete(struct pthread *, struct pthread *); int _thr_find_thread(struct pthread *, struct pthread *, int); void _thr_rtld_init(void); void _thr_rtld_fini(void); int _thr_stack_alloc(struct pthread_attr *); void _thr_stack_free(struct pthread_attr *); void _thr_free(struct pthread *, struct pthread *); void _thr_gc(struct pthread *); void _thread_cleanupspecific(void); void _thread_dump_info(void); void _thread_printf(int, const char *, ...); void _thr_spinlock_init(void); int _thr_cancel_enter(struct pthread *); void _thr_cancel_leave(struct pthread *, int); void _thr_signal_block(struct pthread *); void _thr_signal_unblock(struct pthread *); void _thr_signal_init(void); void _thr_signal_deinit(void); int _thr_send_sig(struct pthread *, int sig); void _thr_list_init(); void _thr_hash_add(struct pthread *); void _thr_hash_remove(struct pthread *); struct pthread *_thr_hash_find(struct pthread *); void _thr_link(struct pthread *curthread, struct pthread *thread); void _thr_unlink(struct pthread *curthread, struct pthread *thread); void _thr_suspend_check(struct pthread *curthread); void _thr_assert_lock_level() __dead2; int _thr_get_tid(void); /* * Aliases for _pthread functions. Should be called instead of * originals if PLT replocation is unwanted at runtme. */ int _thr_cond_broadcast(pthread_cond_t *); int _thr_cond_signal(pthread_cond_t *); int _thr_cond_wait(pthread_cond_t *, pthread_mutex_t *); int _thr_mutex_lock(pthread_mutex_t *); int _thr_mutex_unlock(pthread_mutex_t *); int _thr_rwlock_rdlock(pthread_rwlock_t *); int _thr_rwlock_wrlock(pthread_rwlock_t *); int _thr_rwlock_unlock(pthread_rwlock_t *); /* #include */ #ifdef _SYS_AIO_H_ int __sys_aio_suspend(const struct aiocb * const[], int, const struct timespec *); #endif /* #include */ #ifdef _SYS_FCNTL_H_ int __sys_fcntl(int, int, ...); int __sys_open(const char *, int, ...); #endif /* #include */ #ifdef _SYS_IOCTL_H_ int __sys_ioctl(int, unsigned long, ...); #endif /* #inclde */ #ifdef _SCHED_H_ int __sys_sched_yield(void); #endif /* #include */ #ifdef _SIGNAL_H_ int __sys_kill(pid_t, int); int __sys_sigaction(int, const struct sigaction *, struct sigaction *); int __sys_sigpending(sigset_t *); int __sys_sigprocmask(int, const sigset_t *, sigset_t *); int __sys_sigsuspend(const sigset_t *); int __sys_sigreturn(ucontext_t *); int __sys_sigaltstack(const struct sigaltstack *, struct sigaltstack *); #endif /* #include */ #ifdef _SYS_SOCKET_H_ int __sys_accept(int, struct sockaddr *, socklen_t *); int __sys_connect(int, const struct sockaddr *, socklen_t); 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_sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int); ssize_t __sys_sendmsg(int, const struct msghdr *, int); ssize_t __sys_sendto(int, const void *,size_t, int, const struct sockaddr *, socklen_t); #endif /* #include */ #ifdef _SYS_UIO_H_ ssize_t __sys_readv(int, const struct iovec *, int); ssize_t __sys_writev(int, const struct iovec *, int); #endif /* #include */ #ifdef _TIME_H_ int __sys_nanosleep(const struct timespec *, struct timespec *); #endif /* #include */ #ifdef _UNISTD_H_ int __sys_close(int); int __sys_execve(const char *, char * const *, char * const *); int __sys_fork(void); int __sys_fsync(int); pid_t __sys_getpid(void); int __sys_select(int, fd_set *, fd_set *, fd_set *, struct timeval *); ssize_t __sys_read(int, void *, size_t); ssize_t __sys_write(int, const void *, size_t); void __sys_exit(int); int __sys_sigwait(const sigset_t *, int *); int __sys_sigtimedwait(const sigset_t *, siginfo_t *, const struct timespec *); int __sys_sigwaitinfo(const sigset_t *set, siginfo_t *info); #endif /* #include */ #ifdef _SYS_POLL_H_ int __sys_poll(struct pollfd *, unsigned, int); #endif /* #include */ #ifdef _SYS_MMAN_H_ int __sys_msync(void *, size_t, int); #endif static inline int _thr_isthreaded(void) { return (__isthreaded != 0); } static inline int _thr_is_inited(void) { return (_thr_initial != 0); } static inline void _thr_check_init(void) { if (_thr_initial == 0) _libpthread_init(0); } __END_DECLS #endif /* !_THR_PRIVATE_H */