diff options
| -rw-r--r-- | ChangeLog | 20 | ||||
| -rw-r--r-- | sysdeps/hppa/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/hppa/bits/setjmp.h | 4 | ||||
| -rw-r--r-- | sysdeps/hppa/dl-irel.h | 3 | ||||
| -rw-r--r-- | sysdeps/hppa/entry.h | 5 | ||||
| -rw-r--r-- | sysdeps/hppa/fpu/fegetexcept.c | 2 | ||||
| -rw-r--r-- | sysdeps/hppa/fpu/ftestexcept.c | 2 | ||||
| -rw-r--r-- | sysdeps/hppa/sotruss-lib.c | 51 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/bits/atomic.h | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/mmap.c | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/pthread.h | 1136 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/syscall.S | 18 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/syscall.c | 64 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/sysdep.c | 48 |
14 files changed, 151 insertions, 1212 deletions
diff --git a/ChangeLog b/ChangeLog index d2051e2832..343f82ec88 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,23 @@ +2015-02-05 Carlos O'Donell <carlos@systemhalted.org> + + * sysdeps/hppa/Makefile (CFLAGS-dl-fptr.c): Add -Wno-error. + * sysdeps/hppa/bits/setjmp.h: Union is named __jmp_buf_internal_tag. + * sysdeps/hppa/dl-irel.h: Remove #warning. + * sysdeps/hppa/entry.h: Provide prototype for + __canonicalize_funcptr_for_compare and cast argument. + * sysdeps/hppa/fpu/fegetexcept.c (fegetexcept): Add semicolon. + * sysdeps/hppa/fpu/ftestexcept.c (fetestexcept): Likewise. + * sysdeps/hppa/sotruss-lib.c: New file. + * sysdeps/unix/sysv/linux/hppa/bits/atomic.h + (atomic_compare_and_exchange_val_acq): Use __typeof__. + (atomic_compare_and_exchange_bool_acq): Likewise. + * sysdeps/unix/sysv/linux/hppa/mmap.c: Use weak alias. + * sysdeps/unix/sysv/linux/hppa/pthread.h: Include pthread.h. + + * sysdeps/unix/sysv/linux/hppa/syscall.S: Delete file. + * sysdeps/unix/sysv/linux/hppa/sysdep.c: Move syscall from here... + * sysdeps/unix/sysv/linux/hppa/syscall.c: ... to here. + 2015-02-05 Chung-Lin Tang <cltang@codesourcery.com> * sysdeps/nios2/machine-gmon.h (NIOS2_MCOUNT_CALL): Correct name of diff --git a/sysdeps/hppa/Makefile b/sysdeps/hppa/Makefile index 9e24349231..078f90a60c 100644 --- a/sysdeps/hppa/Makefile +++ b/sysdeps/hppa/Makefile @@ -24,6 +24,8 @@ LDFLAGS-c_pic.os += -Wl,--unique=.text* ifeq ($(subdir),elf) CFLAGS-rtld.c += -mdisable-fpregs sysdep-dl-routines += dl-symaddr dl-fptr +# dl-fptr.c needs a complete rewrite to fix ISO C aliasing violations. +CFLAGS-dl-fptr.c = -Wno-error sysdep_routines += $(sysdep-dl-routines) sysdep-rtld-routines += $(sysdep-dl-routines) endif diff --git a/sysdeps/hppa/bits/setjmp.h b/sysdeps/hppa/bits/setjmp.h index 7d85586c3c..3c04c0b447 100644 --- a/sysdeps/hppa/bits/setjmp.h +++ b/sysdeps/hppa/bits/setjmp.h @@ -38,9 +38,9 @@ * 10 x 64-bit fprs in this order: - fr12-fr21 (callee saves) Note: We have 8 bytes of free space for future uses. */ -typedef union +typedef union __jmp_buf_internal_tag { - struct __jmp_buf_internal_tag + struct { int __r3; int __pad0; diff --git a/sysdeps/hppa/dl-irel.h b/sysdeps/hppa/dl-irel.h index fc7bd0fb47..eb98d500e0 100644 --- a/sysdeps/hppa/dl-irel.h +++ b/sysdeps/hppa/dl-irel.h @@ -27,8 +27,7 @@ #define ELF_MACHINE_IREL 1 -/* Implement enough to get the build going again. */ -#warning "NEED STT_GNU_IFUNC IMPLEMENTATION" +/* There is no IFUNC implementation yet. Add stubs to allow builds. */ static inline struct fdesc __attribute ((always_inline)) diff --git a/sysdeps/hppa/entry.h b/sysdeps/hppa/entry.h index b024db2be7..5ea5b47448 100644 --- a/sysdeps/hppa/entry.h +++ b/sysdeps/hppa/entry.h @@ -2,9 +2,12 @@ extern void _start (void); #endif +/* Lives in libgcc.so and canonicalizes function pointers for comparison. */ +extern unsigned int __canonicalize_funcptr_for_compare (unsigned int fptr); + /* The function's entry point is stored in the first word of the function descriptor (plabel) of _start(). */ -#define ENTRY_POINT __canonicalize_funcptr_for_compare(_start) +#define ENTRY_POINT __canonicalize_funcptr_for_compare((unsigned int)_start) /* We have to provide a special declaration. */ #define ENTRY_POINT_DECL(class) class void _start (void); diff --git a/sysdeps/hppa/fpu/fegetexcept.c b/sysdeps/hppa/fpu/fegetexcept.c index 1a82886433..8198cc5ff9 100644 --- a/sysdeps/hppa/fpu/fegetexcept.c +++ b/sysdeps/hppa/fpu/fegetexcept.c @@ -22,7 +22,7 @@ int fegetexcept (void) { - union { unsigned long long l; unsigned int sw[2] } s; + union { unsigned long long l; unsigned int sw[2]; } s; /* Get the current status word. */ __asm__ ("fstd %%fr0,0(%1) \n\t" diff --git a/sysdeps/hppa/fpu/ftestexcept.c b/sysdeps/hppa/fpu/ftestexcept.c index ed0476e582..091ebfb9b2 100644 --- a/sysdeps/hppa/fpu/ftestexcept.c +++ b/sysdeps/hppa/fpu/ftestexcept.c @@ -22,7 +22,7 @@ int fetestexcept (int excepts) { - union { unsigned long long l; unsigned int sw[2] } s; + union { unsigned long long l; unsigned int sw[2]; } s; /* Get the current status word. */ __asm__ ("fstd %%fr0,0(%1) \n\t" diff --git a/sysdeps/hppa/sotruss-lib.c b/sysdeps/hppa/sotruss-lib.c new file mode 100644 index 0000000000..4e7a88ff8f --- /dev/null +++ b/sysdeps/hppa/sotruss-lib.c @@ -0,0 +1,51 @@ +/* Override generic sotruss-lib.c to define actual functions for HP-PARISC. + Copyright (C) 2012-2014 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#define HAVE_ARCH_PLTENTER +#define HAVE_ARCH_PLTEXIT + +#include <elf/sotruss-lib.c> + +ElfW(Addr) +la_hppa_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)), + unsigned int ndx __attribute__ ((unused)), + uintptr_t *refcook, uintptr_t *defcook, + La_hppa_regs *regs, unsigned int *flags, + const char *symname, long int *framesizep) +{ + print_enter (refcook, defcook, symname, + regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2], + *flags); + + /* No need to copy anything, we will not need the parameters in any case. */ + *framesizep = 0; + + return sym->st_value; +} + +unsigned int +la_hppa_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, + uintptr_t *defcook, + const struct La_hppa_regs *inregs, + struct La_hppa_retval *outregs, const char *symname) +{ + print_exit (refcook, defcook, symname, outregs->lrv_r28); + + return 0; +} diff --git a/sysdeps/unix/sysv/linux/hppa/bits/atomic.h b/sysdeps/unix/sysv/linux/hppa/bits/atomic.h index 9550196f77..abde83e2f9 100644 --- a/sysdeps/unix/sysv/linux/hppa/bits/atomic.h +++ b/sysdeps/unix/sysv/linux/hppa/bits/atomic.h @@ -67,7 +67,7 @@ typedef uintmax_t uatomic_max_t; # define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ ({ \ volatile int lws_errno; \ - volatile int lws_ret; \ + __typeof__ (*mem) lws_ret; \ asm volatile( \ "0: \n\t" \ "copy %2, %%r26 \n\t" \ @@ -96,10 +96,10 @@ typedef uintmax_t uatomic_max_t; # define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \ ({ \ - int ret; \ + __typeof__ (*mem) ret; \ ret = atomic_compare_and_exchange_val_acq(mem, newval, oldval); \ /* Return 1 if it was already acquired. */ \ - (ret != (int)oldval); \ + (ret != oldval); \ }) #else # error __ASSUME_LWS_CAS is required to build glibc. diff --git a/sysdeps/unix/sysv/linux/hppa/mmap.c b/sysdeps/unix/sysv/linux/hppa/mmap.c index f718e29079..a7570e2c6e 100644 --- a/sysdeps/unix/sysv/linux/hppa/mmap.c +++ b/sysdeps/unix/sysv/linux/hppa/mmap.c @@ -46,4 +46,4 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) } -strong_alias (__mmap, mmap) +weak_alias (__mmap, mmap) diff --git a/sysdeps/unix/sysv/linux/hppa/pthread.h b/sysdeps/unix/sysv/linux/hppa/pthread.h index 40ff65bdfb..544dd21acd 100644 --- a/sysdeps/unix/sysv/linux/hppa/pthread.h +++ b/sysdeps/unix/sysv/linux/hppa/pthread.h @@ -15,1141 +15,7 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#ifndef _PTHREAD_H -#define _PTHREAD_H 1 - -#include <features.h> -#include <endian.h> -#include <sched.h> -#include <time.h> - -#include <bits/pthreadtypes.h> -#include <bits/setjmp.h> -#include <bits/wordsize.h> - - -/* Detach state. */ -enum -{ - PTHREAD_CREATE_JOINABLE, -#define PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_JOINABLE - PTHREAD_CREATE_DETACHED -#define PTHREAD_CREATE_DETACHED PTHREAD_CREATE_DETACHED -}; - - -/* Mutex types. */ -enum -{ - PTHREAD_MUTEX_TIMED_NP, - PTHREAD_MUTEX_RECURSIVE_NP, - PTHREAD_MUTEX_ERRORCHECK_NP, - PTHREAD_MUTEX_ADAPTIVE_NP -#if defined __USE_UNIX98 || defined __USE_XOPEN2K8 - , - PTHREAD_MUTEX_NORMAL = PTHREAD_MUTEX_TIMED_NP, - PTHREAD_MUTEX_RECURSIVE = PTHREAD_MUTEX_RECURSIVE_NP, - PTHREAD_MUTEX_ERRORCHECK = PTHREAD_MUTEX_ERRORCHECK_NP, - PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL -#endif -#ifdef __USE_GNU - /* For compatibility. */ - , PTHREAD_MUTEX_FAST_NP = PTHREAD_MUTEX_TIMED_NP -#endif -}; - - -#ifdef __USE_XOPEN2K -/* Robust mutex or not flags. */ -enum -{ - PTHREAD_MUTEX_STALLED, - PTHREAD_MUTEX_STALLED_NP = PTHREAD_MUTEX_STALLED, - PTHREAD_MUTEX_ROBUST, - PTHREAD_MUTEX_ROBUST_NP = PTHREAD_MUTEX_ROBUST -}; -#endif - - -#if defined __USE_POSIX199506 || defined __USE_UNIX98 -/* Mutex protocols. */ -enum -{ - PTHREAD_PRIO_NONE, - PTHREAD_PRIO_INHERIT, - PTHREAD_PRIO_PROTECT -}; -#endif - - -/* Mutex initializers. */ -#ifdef __PTHREAD_MUTEX_HAVE_PREV -# define PTHREAD_MUTEX_INITIALIZER \ - { { 0, 0, 0, 0, 0, 0, { 0, 0 } } } -# ifdef __USE_GNU -# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \ - { { 0, 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, 0, { 0, 0 } } } -# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \ - { { 0, 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, 0, { 0, 0 } } } -# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \ - { { 0, 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, 0, { 0, 0 } } } -# endif -#else -# define PTHREAD_MUTEX_INITIALIZER \ - { { 0, 0, 0, 0, 0, { 0 } } } -# ifdef __USE_GNU -# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \ - { { 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, 0, { 0 } } } -# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \ - { { 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, 0, { 0 } } } -# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \ - { { 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, 0, { 0 } } } -# endif -#endif - - -/* Read-write lock types. */ -#if defined __USE_UNIX98 || defined __USE_XOPEN2K -enum -{ - PTHREAD_RWLOCK_PREFER_READER_NP, - PTHREAD_RWLOCK_PREFER_WRITER_NP, - PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, - PTHREAD_RWLOCK_DEFAULT_NP = PTHREAD_RWLOCK_PREFER_READER_NP -}; - -/* Define __PTHREAD_RWLOCK_INT_FLAGS_SHARED to 1 if pthread_rwlock_t - has the shared field. All 64-bit architectures have the shared field - in pthread_rwlock_t. */ -#ifndef __PTHREAD_RWLOCK_INT_FLAGS_SHARED -# if __WORDSIZE == 64 -# define __PTHREAD_RWLOCK_INT_FLAGS_SHARED 1 -# endif -#endif - -/* Read-write lock initializers. */ -# define PTHREAD_RWLOCK_INITIALIZER \ - { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } } -# ifdef __USE_GNU -# ifdef __PTHREAD_RWLOCK_INT_FLAGS_SHARED -# define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \ - { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ - PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP } } -# else -# if __BYTE_ORDER == __LITTLE_ENDIAN -# define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \ - { { 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, \ - 0, 0, 0, 0 } } -# else -# define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \ - { { 0, 0, 0, 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP,\ - 0 } } -# endif -# endif -# endif -#endif /* Unix98 or XOpen2K */ - - -/* Scheduler inheritance. */ -enum -{ - PTHREAD_INHERIT_SCHED, -#define PTHREAD_INHERIT_SCHED PTHREAD_INHERIT_SCHED - PTHREAD_EXPLICIT_SCHED -#define PTHREAD_EXPLICIT_SCHED PTHREAD_EXPLICIT_SCHED -}; - - -/* Scope handling. */ -enum -{ - PTHREAD_SCOPE_SYSTEM, -#define PTHREAD_SCOPE_SYSTEM PTHREAD_SCOPE_SYSTEM - PTHREAD_SCOPE_PROCESS -#define PTHREAD_SCOPE_PROCESS PTHREAD_SCOPE_PROCESS -}; - - -/* Process shared or private flag. */ -enum -{ - PTHREAD_PROCESS_PRIVATE, -#define PTHREAD_PROCESS_PRIVATE PTHREAD_PROCESS_PRIVATE - PTHREAD_PROCESS_SHARED -#define PTHREAD_PROCESS_SHARED PTHREAD_PROCESS_SHARED -}; - - - -/* Conditional variable handling. */ -#define PTHREAD_COND_INITIALIZER { { 0, 0, 0, 0, 0, (void *) 0, 0, 0 } } - - -/* Cleanup buffers */ -struct _pthread_cleanup_buffer -{ - void (*__routine) (void *); /* Function to call. */ - void *__arg; /* Its argument. */ - int __canceltype; /* Saved cancellation type. */ - struct _pthread_cleanup_buffer *__prev; /* Chaining of cleanup functions. */ -}; - -/* Cancellation */ -enum -{ - PTHREAD_CANCEL_ENABLE, -#define PTHREAD_CANCEL_ENABLE PTHREAD_CANCEL_ENABLE - PTHREAD_CANCEL_DISABLE -#define PTHREAD_CANCEL_DISABLE PTHREAD_CANCEL_DISABLE -}; -enum -{ - PTHREAD_CANCEL_DEFERRED, -#define PTHREAD_CANCEL_DEFERRED PTHREAD_CANCEL_DEFERRED - PTHREAD_CANCEL_ASYNCHRONOUS -#define PTHREAD_CANCEL_ASYNCHRONOUS PTHREAD_CANCEL_ASYNCHRONOUS -}; -#define PTHREAD_CANCELED ((void *) -1) - - -/* Single execution handling. */ -#define PTHREAD_ONCE_INIT 0 - - -#ifdef __USE_XOPEN2K -/* Value returned by 'pthread_barrier_wait' for one of the threads after - the required number of threads have called this function. - -1 is distinct from 0 and all errno constants */ -# define PTHREAD_BARRIER_SERIAL_THREAD -1 -#endif - - -__BEGIN_DECLS - -/* Create a new thread, starting with execution of START-ROUTINE - getting passed ARG. Creation attributed come from ATTR. The new - handle is stored in *NEWTHREAD. */ -extern int pthread_create (pthread_t *__restrict __newthread, - const pthread_attr_t *__restrict __attr, - void *(*__start_routine) (void *), - void *__restrict __arg) __THROWNL __nonnull ((1, 3)); - -/* Terminate calling thread. - - The registered cleanup handlers are called via exception handling - so we cannot mark this function with __THROW.*/ -extern void pthread_exit (void *__retval) __attribute__ ((__noreturn__)); - -/* Make calling thread wait for termination of the thread TH. The - exit status of the thread is stored in *THREAD_RETURN, if THREAD_RETURN - is not NULL. - - This function is a cancellation point and therefore not marked with - __THROW. */ -extern int pthread_join (pthread_t __th, void **__thread_return); - -#ifdef __USE_GNU -/* Check whether thread TH has terminated. If yes return the status of - the thread in *THREAD_RETURN, if THREAD_RETURN is not NULL. */ -extern int pthread_tryjoin_np (pthread_t __th, void **__thread_return) __THROW; - -/* Make calling thread wait for termination of the thread TH, but only - until TIMEOUT. The exit status of the thread is stored in - *THREAD_RETURN, if THREAD_RETURN is not NULL. - - This function is a cancellation point and therefore not marked with - __THROW. */ -extern int pthread_timedjoin_np (pthread_t __th, void **__thread_return, - const struct timespec *__abstime); -#endif - -/* Indicate that the thread TH is never to be joined with PTHREAD_JOIN. - The resources of TH will therefore be freed immediately when it - terminates, instead of waiting for another thread to perform PTHREAD_JOIN - on it. */ -extern int pthread_detach (pthread_t __th) __THROW; - - -/* Obtain the identifier of the current thread. */ -extern pthread_t pthread_self (void) __THROW __attribute__ ((__const__)); - -/* Compare two thread identifiers. */ -extern int pthread_equal (pthread_t __thread1, pthread_t __thread2) - __THROW __attribute__ ((__const__)); - - -/* Thread attribute handling. */ - -/* Initialize thread attribute *ATTR with default attributes - (detachstate is PTHREAD_JOINABLE, scheduling policy is SCHED_OTHER, - no user-provided stack). */ -extern int pthread_attr_init (pthread_attr_t *__attr) __THROW __nonnull ((1)); - -/* Destroy thread attribute *ATTR. */ -extern int pthread_attr_destroy (pthread_attr_t *__attr) - __THROW __nonnull ((1)); - -/* Get detach state attribute. */ -extern int pthread_attr_getdetachstate (const pthread_attr_t *__attr, - int *__detachstate) - __THROW __nonnull ((1, 2)); - -/* Set detach state attribute. */ -extern int pthread_attr_setdetachstate (pthread_attr_t *__attr, - int __detachstate) - __THROW __nonnull ((1)); - - -/* Get the size of the guard area created for stack overflow protection. */ -extern int pthread_attr_getguardsize (const pthread_attr_t *__attr, - size_t *__guardsize) - __THROW __nonnull ((1, 2)); - -/* Set the size of the guard area created for stack overflow protection. */ -extern int pthread_attr_setguardsize (pthread_attr_t *__attr, - size_t __guardsize) - __THROW __nonnull ((1)); - - -/* Return in *PARAM the scheduling parameters of *ATTR. */ -extern int pthread_attr_getschedparam (const pthread_attr_t *__restrict __attr, - struct sched_param *__restrict __param) - __THROW __nonnull ((1, 2)); - -/* Set scheduling parameters (priority, etc) in *ATTR according to PARAM. */ -extern int pthread_attr_setschedparam (pthread_attr_t *__restrict __attr, - const struct sched_param *__restrict - __param) __THROW __nonnull ((1, 2)); - -/* Return in *POLICY the scheduling policy of *ATTR. */ -extern int pthread_attr_getschedpolicy (const pthread_attr_t *__restrict - __attr, int *__restrict __policy) - __THROW __nonnull ((1, 2)); - -/* Set scheduling policy in *ATTR according to POLICY. */ -extern int pthread_attr_setschedpolicy (pthread_attr_t *__attr, int __policy) - __THROW __nonnull ((1)); - -/* Return in *INHERIT the scheduling inheritance mode of *ATTR. */ -extern int pthread_attr_getinheritsched (const pthread_attr_t *__restrict - __attr, int *__restrict __inherit) - __THROW __nonnull ((1, 2)); - -/* Set scheduling inheritance mode in *ATTR according to INHERIT. */ -extern int pthread_attr_setinheritsched (pthread_attr_t *__attr, - int __inherit) - __THROW __nonnull ((1)); - - -/* Return in *SCOPE the scheduling contention scope of *ATTR. */ -extern int pthread_attr_getscope (const pthread_attr_t *__restrict __attr, - int *__restrict __scope) - __THROW __nonnull ((1, 2)); - -/* Set scheduling contention scope in *ATTR according to SCOPE. */ -extern int pthread_attr_setscope (pthread_attr_t *__attr, int __scope) - __THROW __nonnull ((1)); - -/* Return the previously set address for the stack. */ -extern int pthread_attr_getstackaddr (const pthread_attr_t *__restrict - __attr, void **__restrict __stackaddr) - __THROW __nonnull ((1, 2)) __attribute_deprecated__; - -/* Set the starting address of the stack of the thread to be created. - Depending on whether the stack grows up or down the value must either - be higher or lower than all the address in the memory block. The - minimal size of the block must be PTHREAD_STACK_MIN. */ -extern int pthread_attr_setstackaddr (pthread_attr_t *__attr, - void *__stackaddr) - __THROW __nonnull ((1)) __attribute_deprecated__; - -/* Return the currently used minimal stack size. */ -extern int pthread_attr_getstacksize (const pthread_attr_t *__restrict - __attr, size_t *__restrict __stacksize) - __THROW __nonnull ((1, 2)); - -/* Add information about the minimum stack size needed for the thread - to be started. This size must never be less than PTHREAD_STACK_MIN - and must also not exceed the system limits. */ -extern int pthread_attr_setstacksize (pthread_attr_t *__attr, - size_t __stacksize) - __THROW __nonnull ((1)); - -#ifdef __USE_XOPEN2K -/* Return the previously set address for the stack. */ -extern int pthread_attr_getstack (const pthread_attr_t *__restrict __attr, - void **__restrict __stackaddr, - size_t *__restrict __stacksize) - __THROW __nonnull ((1, 2, 3)); - -/* The following two interfaces are intended to replace the last two. They - require setting the address as well as the size since only setting the - address will make the implementation on some architectures impossible. */ -extern int pthread_attr_setstack (pthread_attr_t *__attr, void *__stackaddr, - size_t __stacksize) __THROW __nonnull ((1)); -#endif - -#ifdef __USE_GNU -/* Thread created with attribute ATTR will be limited to run only on - the processors represented in CPUSET. */ -extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr, - size_t __cpusetsize, - const cpu_set_t *__cpuset) - __THROW __nonnull ((1, 3)); - -/* Get bit set in CPUSET representing the processors threads created with - ATTR can run on. */ -extern int pthread_attr_getaffinity_np (const pthread_attr_t *__attr, - size_t __cpusetsize, - cpu_set_t *__cpuset) - __THROW __nonnull ((1, 3)); - - -/* Initialize thread attribute *ATTR with attributes corresponding to the - already running thread TH. It shall be called on uninitialized ATTR - and destroyed with pthread_attr_destroy when no longer needed. */ -extern int pthread_getattr_np (pthread_t __th, pthread_attr_t *__attr) - __THROW __nonnull ((2)); -#endif - - -/* Functions for scheduling control. */ - -/* Set the scheduling parameters for TARGET_THREAD according to POLICY - and *PARAM. */ -extern int pthread_setschedparam (pthread_t __target_thread, int __policy, - const struct sched_param *__param) - __THROW __nonnull ((3)); - -/* Return in *POLICY and *PARAM the scheduling parameters for TARGET_THREAD. */ -extern int pthread_getschedparam (pthread_t __target_thread, - int *__restrict __policy, - struct sched_param *__restrict __param) - __THROW __nonnull ((2, 3)); - -/* Set the scheduling priority for TARGET_THREAD. */ -extern int pthread_setschedprio (pthread_t __target_thread, int __prio) - __THROW; - - -#ifdef __USE_GNU -/* Get thread name visible in the kernel and its interfaces. */ -extern int pthread_getname_np (pthread_t __target_thread, char *__buf, - size_t __buflen) - __THROW __nonnull ((2)); - -/* Set thread name visible in the kernel and its interfaces. */ -extern int pthread_setname_np (pthread_t __target_thread, const char *__name) - __THROW __nonnull ((2)); -#endif - - -#ifdef __USE_UNIX98 -/* Determine level of concurrency. */ -extern int pthread_getconcurrency (void) __THROW; - -/* Set new concurrency level to LEVEL. */ -extern int pthread_setconcurrency (int __level) __THROW; -#endif - -#ifdef __USE_GNU -/* Yield the processor to another thread or process. - This function is similar to the POSIX `sched_yield' function but - might be differently implemented in the case of a m-on-n thread - implementation. */ -extern int pthread_yield (void) __THROW; - - -/* Limit specified thread TH to run only on the processors represented - in CPUSET. */ -extern int pthread_setaffinity_np (pthread_t __th, size_t __cpusetsize, - const cpu_set_t *__cpuset) - __THROW __nonnull ((3)); - -/* Get bit set in CPUSET representing the processors TH can run on. */ -extern int pthread_getaffinity_np (pthread_t __th, size_t __cpusetsize, - cpu_set_t *__cpuset) - __THROW __nonnull ((3)); -#endif - - -/* Functions for handling initialization. */ - -/* Guarantee that the initialization function INIT_ROUTINE will be called - only once, even if pthread_once is executed several times with the - same ONCE_CONTROL argument. ONCE_CONTROL must point to a static or - extern variable initialized to PTHREAD_ONCE_INIT. - - The initialization functions might throw exception which is why - this function is not marked with __THROW. */ -extern int pthread_once (pthread_once_t *__once_control, - void (*__init_routine) (void)) __nonnull ((1, 2)); - - -/* Functions for handling cancellation. - - Note that these functions are explicitly not marked to not throw an - exception in C++ code. If cancellation is implemented by unwinding - this is necessary to have the compiler generate the unwind information. */ - -/* Set cancelability state of current thread to STATE, returning old - state in *OLDSTATE if OLDSTATE is not NULL. */ -extern int pthread_setcancelstate (int __state, int *__oldstate); - -/* Set cancellation state of current thread to TYPE, returning the old - type in *OLDTYPE if OLDTYPE is not NULL. */ -extern int pthread_setcanceltype (int __type, int *__oldtype); - -/* Cancel THREAD immediately or at the next possibility. */ -extern int pthread_cancel (pthread_t __th); - -/* Test for pending cancellation for the current thread and terminate - the thread as per pthread_exit(PTHREAD_CANCELED) if it has been - cancelled. */ -extern void pthread_testcancel (void); - - -/* Cancellation handling with integration into exception handling. */ - -typedef struct -{ - struct - { - __jmp_buf __cancel_jmp_buf; - int __mask_was_saved; - } __cancel_jmp_buf[1]; - void *__pad[4]; -} __pthread_unwind_buf_t __attribute__ ((__aligned__)); - -/* No special attributes by default. */ -#ifndef __cleanup_fct_attribute -# define __cleanup_fct_attribute -#endif - - -/* Structure to hold the cleanup handler information. */ -struct __pthread_cleanup_frame -{ - void (*__cancel_routine) (void *); - void *__cancel_arg; - int __do_it; - int __cancel_type; -}; - -#if defined __GNUC__ && defined __EXCEPTIONS -# ifdef __cplusplus -/* Class to handle cancellation handler invocation. */ -class __pthread_cleanup_class -{ - void (*__cancel_routine) (void *); - void *__cancel_arg; - int __do_it; - int __cancel_type; - - public: - __pthread_cleanup_class (void (*__fct) (void *), void *__arg) - : __cancel_routine (__fct), __cancel_arg (__arg), __do_it (1) { } - ~__pthread_cleanup_class () { if (__do_it) __cancel_routine (__cancel_arg); } - void __setdoit (int __newval) { __do_it = __newval; } - void __defer () { pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, - &__cancel_type); } - void __restore () const { pthread_setcanceltype (__cancel_type, 0); } -}; - -/* Install a cleanup handler: ROUTINE will be called with arguments ARG - when the thread is canceled or calls pthread_exit. ROUTINE will also - be called with arguments ARG when the matching pthread_cleanup_pop - is executed with non-zero EXECUTE argument. - - pthread_cleanup_push and pthread_cleanup_pop are macros and must always - be used in matching pairs at the same nesting level of braces. */ -# define pthread_cleanup_push(routine, arg) \ - do { \ - __pthread_cleanup_class __clframe (routine, arg) - -/* Remove a cleanup handler installed by the matching pthread_cleanup_push. - If EXECUTE is non-zero, the handler function is called. */ -# define pthread_cleanup_pop(execute) \ - __clframe.__setdoit (execute); \ - } while (0) - -# ifdef __USE_GNU -/* Install a cleanup handler as pthread_cleanup_push does, but also - saves the current cancellation type and sets it to deferred - cancellation. */ -# define pthread_cleanup_push_defer_np(routine, arg) \ - do { \ - __pthread_cleanup_class __clframe (routine, arg); \ - __clframe.__defer () - -/* Remove a cleanup handler as pthread_cleanup_pop does, but also - restores the cancellation type that was in effect when the matching - pthread_cleanup_push_defer was called. */ -# define pthread_cleanup_pop_restore_np(execute) \ - __clframe.__restore (); \ - __clframe.__setdoit (execute); \ - } while (0) -# endif -# else -/* Function called to call the cleanup handler. As an extern inline - function the compiler is free to decide inlining the change when - needed or fall back on the copy which must exist somewhere - else. */ -__extern_inline void -__pthread_cleanup_routine (struct __pthread_cleanup_frame *__frame) -{ - if (__frame->__do_it) - __frame->__cancel_routine (__frame->__cancel_arg); -} - -/* Install a cleanup handler: ROUTINE will be called with arguments ARG - when the thread is canceled or calls pthread_exit. ROUTINE will also - be called with arguments ARG when the matching pthread_cleanup_pop - is executed with non-zero EXECUTE argument. - - pthread_cleanup_push and pthread_cleanup_pop are macros and must always - be used in matching pairs at the same nesting level of braces. */ -# define pthread_cleanup_push(routine, arg) \ - do { \ - struct __pthread_cleanup_frame __clframe \ - __attribute__ ((__cleanup__ (__pthread_cleanup_routine))) \ - = { .__cancel_routine = (routine), .__cancel_arg = (arg), \ - .__do_it = 1 }; - -/* Remove a cleanup handler installed by the matching pthread_cleanup_push. - If EXECUTE is non-zero, the handler function is called. */ -# define pthread_cleanup_pop(execute) \ - __clframe.__do_it = (execute); \ - } while (0) - -# ifdef __USE_GNU -/* Install a cleanup handler as pthread_cleanup_push does, but also - saves the current cancellation type and sets it to deferred - cancellation. */ -# define pthread_cleanup_push_defer_np(routine, arg) \ - do { \ - struct __pthread_cleanup_frame __clframe \ - __attribute__ ((__cleanup__ (__pthread_cleanup_routine))) \ - = { .__cancel_routine = (routine), .__cancel_arg = (arg), \ - .__do_it = 1 }; \ - (void) pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, \ - &__clframe.__cancel_type) - -/* Remove a cleanup handler as pthread_cleanup_pop does, but also - restores the cancellation type that was in effect when the matching - pthread_cleanup_push_defer was called. */ -# define pthread_cleanup_pop_restore_np(execute) \ - (void) pthread_setcanceltype (__clframe.__cancel_type, NULL); \ - __clframe.__do_it = (execute); \ - } while (0) -# endif -# endif -#else -/* Install a cleanup handler: ROUTINE will be called with arguments ARG - when the thread is canceled or calls pthread_exit. ROUTINE will also - be called with arguments ARG when the matching pthread_cleanup_pop - is executed with non-zero EXECUTE argument. - - pthread_cleanup_push and pthread_cleanup_pop are macros and must always - be used in matching pairs at the same nesting level of braces. */ -# define pthread_cleanup_push(routine, arg) \ - do { \ - __pthread_unwind_buf_t __cancel_buf; \ - void (*__cancel_routine) (void *) = (routine); \ - void *__cancel_arg = (arg); \ - int __not_first_call = __sigsetjmp ((struct __jmp_buf_tag *) (void *) \ - __cancel_buf.__cancel_jmp_buf, 0); \ - if (__glibc_unlikely (__not_first_call)) \ - { \ - __cancel_routine (__cancel_arg); \ - __pthread_unwind_next (&__cancel_buf); \ - /* NOTREACHED */ \ - } \ - \ - __pthread_register_cancel (&__cancel_buf); \ - do { -extern void __pthread_register_cancel (__pthread_unwind_buf_t *__buf) - __cleanup_fct_attribute; - -/* Remove a cleanup handler installed by the matching pthread_cleanup_push. - If EXECUTE is non-zero, the handler function is called. */ -# define pthread_cleanup_pop(execute) \ - do { } while (0);/* Empty to allow label before pthread_cleanup_pop. */\ - } while (0); \ - __pthread_unregister_cancel (&__cancel_buf); \ - if (execute) \ - __cancel_routine (__cancel_arg); \ - } while (0) -extern void __pthread_unregister_cancel (__pthread_unwind_buf_t *__buf) - __cleanup_fct_attribute; - -# ifdef __USE_GNU -/* Install a cleanup handler as pthread_cleanup_push does, but also - saves the current cancellation type and sets it to deferred - cancellation. */ -# define pthread_cleanup_push_defer_np(routine, arg) \ - do { \ - __pthread_unwind_buf_t __cancel_buf; \ - void (*__cancel_routine) (void *) = (routine); \ - void *__cancel_arg = (arg); \ - int __not_first_call = __sigsetjmp ((struct __jmp_buf_tag *) (void *) \ - __cancel_buf.__cancel_jmp_buf, 0); \ - if (__glibc_unlikely (__not_first_call)) \ - { \ - __cancel_routine (__cancel_arg); \ - __pthread_unwind_next (&__cancel_buf); \ - /* NOTREACHED */ \ - } \ - \ - __pthread_register_cancel_defer (&__cancel_buf); \ - do { -extern void __pthread_register_cancel_defer (__pthread_unwind_buf_t *__buf) - __cleanup_fct_attribute; - -/* Remove a cleanup handler as pthread_cleanup_pop does, but also - restores the cancellation type that was in effect when the matching - pthread_cleanup_push_defer was called. */ -# define pthread_cleanup_pop_restore_np(execute) \ - do { } while (0);/* Empty to allow label before pthread_cleanup_pop. */\ - } while (0); \ - __pthread_unregister_cancel_restore (&__cancel_buf); \ - if (execute) \ - __cancel_routine (__cancel_arg); \ - } while (0) -extern void __pthread_unregister_cancel_restore (__pthread_unwind_buf_t *__buf) - __cleanup_fct_attribute; -# endif - -/* Internal interface to initiate cleanup. */ -extern void __pthread_unwind_next (__pthread_unwind_buf_t *__buf) - __cleanup_fct_attribute __attribute__ ((__noreturn__)) -# ifndef SHARED - __attribute__ ((__weak__)) -# endif - ; -#endif - -/* Function used in the macros. */ -struct __jmp_buf_tag; -extern int __sigsetjmp (struct __jmp_buf_tag *__env, int __savemask) __THROWNL; - - -/* Mutex handling. */ - -/* Initialize a mutex. */ -extern int pthread_mutex_init (pthread_mutex_t *__mutex, - const pthread_mutexattr_t *__mutexattr) - __THROW __nonnull ((1)); - -/* Destroy a mutex. */ -extern int pthread_mutex_destroy (pthread_mutex_t *__mutex) - __THROW __nonnull ((1)); - -/* Try locking a mutex. */ -extern int pthread_mutex_trylock (pthread_mutex_t *__mutex) - __THROWNL __nonnull ((1)); - -/* Lock a mutex. */ -extern int pthread_mutex_lock (pthread_mutex_t *__mutex) - __THROWNL __nonnull ((1)); - -#ifdef __USE_XOPEN2K -/* Wait until lock becomes available, or specified time passes. */ -extern int pthread_mutex_timedlock (pthread_mutex_t *__restrict __mutex, - const struct timespec *__restrict - __abstime) __THROWNL __nonnull ((1, 2)); -#endif - -/* Unlock a mutex. */ -extern int pthread_mutex_unlock (pthread_mutex_t *__mutex) - __THROWNL __nonnull ((1)); - - -/* Get the priority ceiling of MUTEX. */ -extern int pthread_mutex_getprioceiling (const pthread_mutex_t * - __restrict __mutex, - int *__restrict __prioceiling) - __THROW __nonnull ((1, 2)); - -/* Set the priority ceiling of MUTEX to PRIOCEILING, return old - priority ceiling value in *OLD_CEILING. */ -extern int pthread_mutex_setprioceiling (pthread_mutex_t *__restrict __mutex, - int __prioceiling, - int *__restrict __old_ceiling) - __THROW __nonnull ((1, 3)); - - -#ifdef __USE_XOPEN2K8 -/* Declare the state protected by MUTEX as consistent. */ -extern int pthread_mutex_consistent (pthread_mutex_t *__mutex) - __THROW __nonnull ((1)); -# ifdef __USE_GNU -extern int pthread_mutex_consistent_np (pthread_mutex_t *__mutex) - __THROW __nonnull ((1)); -# endif -#endif - - -/* Functions for handling mutex attributes. */ - -/* Initialize mutex attribute object ATTR with default attributes - (kind is PTHREAD_MUTEX_TIMED_NP). */ -extern int pthread_mutexattr_init (pthread_mutexattr_t *__attr) - __THROW __nonnull ((1)); - -/* Destroy mutex attribute object ATTR. */ -extern int pthread_mutexattr_destroy (pthread_mutexattr_t *__attr) - __THROW __nonnull ((1)); - -/* Get the process-shared flag of the mutex attribute ATTR. */ -extern int pthread_mutexattr_getpshared (const pthread_mutexattr_t * - __restrict __attr, - int *__restrict __pshared) - __THROW __nonnull ((1, 2)); - -/* Set the process-shared flag of the mutex attribute ATTR. */ -extern int pthread_mutexattr_setpshared (pthread_mutexattr_t *__attr, - int __pshared) - __THROW __nonnull ((1)); - -#if defined __USE_UNIX98 || defined __USE_XOPEN2K8 -/* Return in *KIND the mutex kind attribute in *ATTR. */ -extern int pthread_mutexattr_gettype (const pthread_mutexattr_t *__restrict - __attr, int *__restrict __kind) - __THROW __nonnull ((1, 2)); - -/* Set the mutex kind attribute in *ATTR to KIND (either PTHREAD_MUTEX_NORMAL, - PTHREAD_MUTEX_RECURSIVE, PTHREAD_MUTEX_ERRORCHECK, or - PTHREAD_MUTEX_DEFAULT). */ -extern int pthread_mutexattr_settype (pthread_mutexattr_t *__attr, int __kind) - __THROW __nonnull ((1)); -#endif - -/* Return in *PROTOCOL the mutex protocol attribute in *ATTR. */ -extern int pthread_mutexattr_getprotocol (const pthread_mutexattr_t * - __restrict __attr, - int *__restrict __protocol) - __THROW __nonnull ((1, 2)); - -/* Set the mutex protocol attribute in *ATTR to PROTOCOL (either - PTHREAD_PRIO_NONE, PTHREAD_PRIO_INHERIT, or PTHREAD_PRIO_PROTECT). */ -extern int pthread_mutexattr_setprotocol (pthread_mutexattr_t *__attr, - int __protocol) - __THROW __nonnull ((1)); - -/* Return in *PRIOCEILING the mutex prioceiling attribute in *ATTR. */ -extern int pthread_mutexattr_getprioceiling (const pthread_mutexattr_t * - __restrict __attr, - int *__restrict __prioceiling) - __THROW __nonnull ((1, 2)); - -/* Set the mutex prioceiling attribute in *ATTR to PRIOCEILING. */ -extern int pthread_mutexattr_setprioceiling (pthread_mutexattr_t *__attr, - int __prioceiling) - __THROW __nonnull ((1)); - -#ifdef __USE_XOPEN2K -/* Get the robustness flag of the mutex attribute ATTR. */ -extern int pthread_mutexattr_getrobust (const pthread_mutexattr_t *__attr, - int *__robustness) - __THROW __nonnull ((1, 2)); -# ifdef __USE_GNU -extern int pthread_mutexattr_getrobust_np (const pthread_mutexattr_t *__attr, - int *__robustness) - __THROW __nonnull ((1, 2)); -# endif - -/* Set the robustness flag of the mutex attribute ATTR. */ -extern int pthread_mutexattr_setrobust (pthread_mutexattr_t *__attr, - int __robustness) - __THROW __nonnull ((1)); -# ifdef __USE_GNU -extern int pthread_mutexattr_setrobust_np (pthread_mutexattr_t *__attr, - int __robustness) - __THROW __nonnull ((1)); -# endif -#endif - - -#if defined __USE_UNIX98 || defined __USE_XOPEN2K -/* Functions for handling read-write locks. */ - -/* Initialize read-write lock RWLOCK using attributes ATTR, or use - the default values if later is NULL. */ -extern int pthread_rwlock_init (pthread_rwlock_t *__restrict __rwlock, - const pthread_rwlockattr_t *__restrict - __attr) __THROW __nonnull ((1)); - -/* Destroy read-write lock RWLOCK. */ -extern int pthread_rwlock_destroy (pthread_rwlock_t *__rwlock) - __THROW __nonnull ((1)); - -/* Acquire read lock for RWLOCK. */ -extern int pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock) - __THROWNL __nonnull ((1)); - -/* Try to acquire read lock for RWLOCK. */ -extern int pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock) - __THROWNL __nonnull ((1)); - -# ifdef __USE_XOPEN2K -/* Try to acquire read lock for RWLOCK or return after specfied time. */ -extern int pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock, - const struct timespec *__restrict - __abstime) __THROWNL __nonnull ((1, 2)); -# endif - -/* Acquire write lock for RWLOCK. */ -extern int pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock) - __THROWNL __nonnull ((1)); - -/* Try to acquire write lock for RWLOCK. */ -extern int pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock) - __THROWNL __nonnull ((1)); - -# ifdef __USE_XOPEN2K -/* Try to acquire write lock for RWLOCK or return after specfied time. */ -extern int pthread_rwlock_timedwrlock (pthread_rwlock_t *__restrict __rwlock, - const struct timespec *__restrict - __abstime) __THROWNL __nonnull ((1, 2)); -# endif - -/* Unlock RWLOCK. */ -extern int pthread_rwlock_unlock (pthread_rwlock_t *__rwlock) - __THROWNL __nonnull ((1)); - - -/* Functions for handling read-write lock attributes. */ - -/* Initialize attribute object ATTR with default values. */ -extern int pthread_rwlockattr_init (pthread_rwlockattr_t *__attr) - __THROW __nonnull ((1)); - -/* Destroy attribute object ATTR. */ -extern int pthread_rwlockattr_destroy (pthread_rwlockattr_t *__attr) - __THROW __nonnull ((1)); - -/* Return current setting of process-shared attribute of ATTR in PSHARED. */ -extern int pthread_rwlockattr_getpshared (const pthread_rwlockattr_t * - __restrict __attr, - int *__restrict __pshared) - __THROW __nonnull ((1, 2)); - -/* Set process-shared attribute of ATTR to PSHARED. */ -extern int pthread_rwlockattr_setpshared (pthread_rwlockattr_t *__attr, - int __pshared) - __THROW __nonnull ((1)); - -/* Return current setting of reader/writer preference. */ -extern int pthread_rwlockattr_getkind_np (const pthread_rwlockattr_t * - __restrict __attr, - int *__restrict __pref) - __THROW __nonnull ((1, 2)); - -/* Set reader/write preference. */ -extern int pthread_rwlockattr_setkind_np (pthread_rwlockattr_t *__attr, - int __pref) __THROW __nonnull ((1)); -#endif - - -/* Functions for handling conditional variables. */ - -/* Initialize condition variable COND using attributes ATTR, or use - the default values if later is NULL. */ -extern int pthread_cond_init (pthread_cond_t *__restrict __cond, - const pthread_condattr_t *__restrict __cond_attr) - __THROW __nonnull ((1)); - -/* Destroy condition variable COND. */ -extern int pthread_cond_destroy (pthread_cond_t *__cond) - __THROW __nonnull ((1)); - -/* Wake up one thread waiting for condition variable COND. */ -extern int pthread_cond_signal (pthread_cond_t *__cond) - __THROWNL __nonnull ((1)); - -/* Wake up all threads waiting for condition variables COND. */ -extern int pthread_cond_broadcast (pthread_cond_t *__cond) - __THROWNL __nonnull ((1)); - -/* Wait for condition variable COND to be signaled or broadcast. - MUTEX is assumed to be locked before. - - This function is a cancellation point and therefore not marked with - __THROW. */ -extern int pthread_cond_wait (pthread_cond_t *__restrict __cond, - pthread_mutex_t *__restrict __mutex) - __nonnull ((1, 2)); - -/* Wait for condition variable COND to be signaled or broadcast until - ABSTIME. MUTEX is assumed to be locked before. ABSTIME is an - absolute time specification; zero is the beginning of the epoch - (00:00:00 GMT, January 1, 1970). - - This function is a cancellation point and therefore not marked with - __THROW. */ -extern int pthread_cond_timedwait (pthread_cond_t *__restrict __cond, - pthread_mutex_t *__restrict __mutex, - const struct timespec *__restrict __abstime) - __nonnull ((1, 2, 3)); - -/* Functions for handling condition variable attributes. */ - -/* Initialize condition variable attribute ATTR. */ -extern int pthread_condattr_init (pthread_condattr_t *__attr) - __THROW __nonnull ((1)); - -/* Destroy condition variable attribute ATTR. */ -extern int pthread_condattr_destroy (pthread_condattr_t *__attr) - __THROW __nonnull ((1)); - -/* Get the process-shared flag of the condition variable attribute ATTR. */ -extern int pthread_condattr_getpshared (const pthread_condattr_t * - __restrict __attr, - int *__restrict __pshared) - __THROW __nonnull ((1, 2)); - -/* Set the process-shared flag of the condition variable attribute ATTR. */ -extern int pthread_condattr_setpshared (pthread_condattr_t *__attr, - int __pshared) __THROW __nonnull ((1)); - -#ifdef __USE_XOPEN2K -/* Get the clock selected for the condition variable attribute ATTR. */ -extern int pthread_condattr_getclock (const pthread_condattr_t * - __restrict __attr, - __clockid_t *__restrict __clock_id) - __THROW __nonnull ((1, 2)); - -/* Set the clock selected for the condition variable attribute ATTR. */ -extern int pthread_condattr_setclock (pthread_condattr_t *__attr, - __clockid_t __clock_id) - __THROW __nonnull ((1)); -#endif - - -#ifdef __USE_XOPEN2K -/* Functions to handle spinlocks. */ - -/* Initialize the spinlock LOCK. If PSHARED is nonzero the spinlock can - be shared between different processes. */ -extern int pthread_spin_init (pthread_spinlock_t *__lock, int __pshared) - __THROW __nonnull ((1)); - -/* Destroy the spinlock LOCK. */ -extern int pthread_spin_destroy (pthread_spinlock_t *__lock) - __THROW __nonnull ((1)); - -/* Wait until spinlock LOCK is retrieved. */ -extern int pthread_spin_lock (pthread_spinlock_t *__lock) - __THROWNL __nonnull ((1)); - -/* Try to lock spinlock LOCK. */ -extern int pthread_spin_trylock (pthread_spinlock_t *__lock) - __THROWNL __nonnull ((1)); - -/* Release spinlock LOCK. */ -extern int pthread_spin_unlock (pthread_spinlock_t *__lock) - __THROWNL __nonnull ((1)); - - -/* Functions to handle barriers. */ - -/* Initialize BARRIER with the attributes in ATTR. The barrier is - opened when COUNT waiters arrived. */ -extern int pthread_barrier_init (pthread_barrier_t *__restrict __barrier, - const pthread_barrierattr_t *__restrict - __attr, unsigned int __count) - __THROW __nonnull ((1)); - -/* Destroy a previously dynamically initialized barrier BARRIER. */ -extern int pthread_barrier_destroy (pthread_barrier_t *__barrier) - __THROW __nonnull ((1)); - -/* Wait on barrier BARRIER. */ -extern int pthread_barrier_wait (pthread_barrier_t *__barrier) - __THROWNL __nonnull ((1)); - - -/* Initialize barrier attribute ATTR. */ -extern int pthread_barrierattr_init (pthread_barrierattr_t *__attr) - __THROW __nonnull ((1)); - -/* Destroy previously dynamically initialized barrier attribute ATTR. */ -extern int pthread_barrierattr_destroy (pthread_barrierattr_t *__attr) - __THROW __nonnull ((1)); - -/* Get the process-shared flag of the barrier attribute ATTR. */ -extern int pthread_barrierattr_getpshared (const pthread_barrierattr_t * - __restrict __attr, - int *__restrict __pshared) - __THROW __nonnull ((1, 2)); - -/* Set the process-shared flag of the barrier attribute ATTR. */ -extern int pthread_barrierattr_setpshared (pthread_barrierattr_t *__attr, - int __pshared) - __THROW __nonnull ((1)); -#endif - - -/* Functions for handling thread-specific data. */ - -/* Create a key value identifying a location in the thread-specific - data area. Each thread maintains a distinct thread-specific data - area. DESTR_FUNCTION, if non-NULL, is called with the value - associated to that key when the key is destroyed. - DESTR_FUNCTION is not called if the value associated is NULL when - the key is destroyed. */ -extern int pthread_key_create (pthread_key_t *__key, - void (*__destr_function) (void *)) - __THROW __nonnull ((1)); - -/* Destroy KEY. */ -extern int pthread_key_delete (pthread_key_t __key) __THROW; - -/* Return current value of the thread-specific data slot identified by KEY. */ -extern void *pthread_getspecific (pthread_key_t __key) __THROW; - -/* Store POINTER in the thread-specific data slot identified by KEY. */ -extern int pthread_setspecific (pthread_key_t __key, - const void *__pointer) __THROW ; - - -#ifdef __USE_XOPEN2K -/* Get ID of CPU-time clock for thread THREAD_ID. */ -extern int pthread_getcpuclockid (pthread_t __thread_id, - __clockid_t *__clock_id) - __THROW __nonnull ((2)); -#endif - - -/* Install handlers to be called when a new process is created with FORK. - The PREPARE handler is called in the parent process just before performing - FORK. The PARENT handler is called in the parent process just after FORK. - The CHILD handler is called in the child process. Each of the three - handlers can be NULL, meaning that no handler needs to be called at that - point. - PTHREAD_ATFORK can be called several times, in which case the PREPARE - handlers are called in LIFO order (last added with PTHREAD_ATFORK, - first called before FORK), and the PARENT and CHILD handlers are called - in FIFO (first added, first called). */ - -extern int pthread_atfork (void (*__prepare) (void), - void (*__parent) (void), - void (*__child) (void)) __THROW; - - -#ifdef __USE_EXTERN_INLINES -/* Optimizations. */ -__extern_inline int -__NTH (pthread_equal (pthread_t __thread1, pthread_t __thread2)) -{ - return __thread1 == __thread2; -} -#endif - -__END_DECLS - -#endif /* pthread.h */ +#include_next <pthread.h> #ifndef _PTHREAD_H_HPPA_ #define _PTHREAD_H_HPPA_ 1 diff --git a/sysdeps/unix/sysv/linux/hppa/syscall.S b/sysdeps/unix/sysv/linux/hppa/syscall.S deleted file mode 100644 index 0910051e59..0000000000 --- a/sysdeps/unix/sysv/linux/hppa/syscall.S +++ /dev/null @@ -1,18 +0,0 @@ -/* Copyright (C) 1995-2015 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -/* HPPA implements syscall() in 'C'; see sysdep.c. */ diff --git a/sysdeps/unix/sysv/linux/hppa/syscall.c b/sysdeps/unix/sysv/linux/hppa/syscall.c new file mode 100644 index 0000000000..aff67a8521 --- /dev/null +++ b/sysdeps/unix/sysv/linux/hppa/syscall.c @@ -0,0 +1,64 @@ +/* Copyright (C) 1997-2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdarg.h> +#include <sysdep.h> +#include <errno.h> + +/* HPPA implements syscall() in 'C'; the assembler version would + typically be in syscall.S. Also note that we have INLINE_SYSCALL, + INTERNAL_SYSCALL, and all the generated pure assembly syscall wrappers. + How often the function is used is unknown. */ + +long int +syscall (long int __sysno, ...) +{ + /* FIXME: Keep this matching INLINE_SYSCALL for hppa */ + va_list args; + long int arg0, arg1, arg2, arg3, arg4, arg5; + long int __sys_res; + + /* Load varargs */ + va_start (args, __sysno); + arg0 = va_arg (args, long int); + arg1 = va_arg (args, long int); + arg2 = va_arg (args, long int); + arg3 = va_arg (args, long int); + arg4 = va_arg (args, long int); + arg5 = va_arg (args, long int); + va_end (args); + + { + register unsigned long int __res asm("r28"); + PIC_REG_DEF + LOAD_ARGS_6 (arg0, arg1, arg2, arg3, arg4, arg5) + asm volatile (SAVE_ASM_PIC + " ble 0x100(%%sr2, %%r0) \n" + " copy %1, %%r20 \n" + LOAD_ASM_PIC + : "=r" (__res) + : "r" (__sysno) PIC_REG_USE ASM_ARGS_6 + : "memory", CALL_CLOB_REGS CLOB_ARGS_6); + __sys_res = __res; + } + if ((unsigned long int) __sys_res >= (unsigned long int) -4095) + { + __set_errno (-__sys_res); + __sys_res = -1; + } + return __sys_res; +} diff --git a/sysdeps/unix/sysv/linux/hppa/sysdep.c b/sysdeps/unix/sysv/linux/hppa/sysdep.c index a7609d6af8..3b9b7e3b62 100644 --- a/sysdeps/unix/sysv/linux/hppa/sysdep.c +++ b/sysdeps/unix/sysv/linux/hppa/sysdep.c @@ -19,9 +19,6 @@ #include <sysdep.h> #include <errno.h> -extern int __syscall_error(int err_no); -extern long int syscall (long int __sysno, ...) __THROW; - /* This routine is jumped to by all the syscall handlers, to stash an error number into errno. */ int @@ -30,48 +27,3 @@ __syscall_error (int err_no) __set_errno (err_no); return -1; } - - -/* HPPA implements syscall() in 'C'; the assembler version would - typically be in syscall.S. Also note that we have INLINE_SYSCALL, - INTERNAL_SYSCALL, and all the generated pure assembly syscall wrappers. - How often the function is used is unknown. */ - -long int -syscall (long int __sysno, ...) -{ - /* FIXME: Keep this matching INLINE_SYSCALL for hppa */ - va_list args; - long int arg0, arg1, arg2, arg3, arg4, arg5; - long int __sys_res; - - /* Load varargs */ - va_start (args, __sysno); - arg0 = va_arg (args, long int); - arg1 = va_arg (args, long int); - arg2 = va_arg (args, long int); - arg3 = va_arg (args, long int); - arg4 = va_arg (args, long int); - arg5 = va_arg (args, long int); - va_end (args); - - { - register unsigned long int __res asm("r28"); - PIC_REG_DEF - LOAD_ARGS_6 (arg0, arg1, arg2, arg3, arg4, arg5) - asm volatile (SAVE_ASM_PIC - " ble 0x100(%%sr2, %%r0) \n" - " copy %1, %%r20 \n" - LOAD_ASM_PIC - : "=r" (__res) - : "r" (__sysno) PIC_REG_USE ASM_ARGS_6 - : "memory", CALL_CLOB_REGS CLOB_ARGS_6); - __sys_res = __res; - } - if ((unsigned long int) __sys_res >= (unsigned long int) -4095) - { - __set_errno (-__sys_res); - __sys_res = -1; - } - return __sys_res; -} |