Fixed the pthread wrappers to work with the new glibc/linuxthreads

interface in glibc 2.3.2.
This commit is contained in:
Alexandre Julliard 2003-08-12 18:59:13 +00:00
parent cbefdefb02
commit 97d862c93c
2 changed files with 208 additions and 25 deletions

View File

@ -73,6 +73,8 @@ struct thread_cleanup_info
static char temp_stacks[NB_TEMP_STACKS][TEMP_STACK_SIZE];
static LONG next_temp_stack; /* next temp stack to use */
extern void PTHREAD_init_thread(void);
/***********************************************************************
* SYSDEPS_SetCurThread
*
@ -102,6 +104,8 @@ void SYSDEPS_SetCurThread( TEB *teb )
#ifdef HAVE_NPTL
teb->pthread_data = (void *)pthread_self();
#else
PTHREAD_init_thread();
#endif
}

View File

@ -31,6 +31,7 @@ struct _pthread_cleanup_buffer;
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <setjmp.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
@ -55,6 +56,8 @@ struct _pthread_cleanup_buffer;
#include <pthread.h>
#include <signal.h>
#define P_OUTPUT(stuff) write(2,stuff,strlen(stuff))
#define PSTR(str) __ASM_NAME(#str)
/* adapt as necessary (a construct like this is used in glibc sources) */
@ -62,10 +65,76 @@ struct _pthread_cleanup_buffer;
asm(".globl " PSTR(alias) "\n" \
"\t.set " PSTR(alias) "," PSTR(orig))
#define FIRST_KEY 0
#define MAX_KEYS 16 /* libc6 doesn't use that many, but... */
#define MAX_TSD 16
struct fork_block;
struct pthread_descr_struct
{
char dummy[256];
const void *key_data[MAX_KEYS]; /* for normal pthread keys */
const void *tsd_data[MAX_TSD]; /* for libc internal tsd variables */
};
typedef struct pthread_descr_struct *pthread_descr;
struct pthread_functions
{
pid_t (*ptr_pthread_fork) (struct fork_block *);
int (*ptr_pthread_attr_destroy) (pthread_attr_t *);
int (*ptr___pthread_attr_init_2_0) (pthread_attr_t *);
int (*ptr___pthread_attr_init_2_1) (pthread_attr_t *);
int (*ptr_pthread_attr_getdetachstate) (const pthread_attr_t *, int *);
int (*ptr_pthread_attr_setdetachstate) (pthread_attr_t *, int);
int (*ptr_pthread_attr_getinheritsched) (const pthread_attr_t *, int *);
int (*ptr_pthread_attr_setinheritsched) (pthread_attr_t *, int);
int (*ptr_pthread_attr_getschedparam) (const pthread_attr_t *, struct sched_param *);
int (*ptr_pthread_attr_setschedparam) (pthread_attr_t *, const struct sched_param *);
int (*ptr_pthread_attr_getschedpolicy) (const pthread_attr_t *, int *);
int (*ptr_pthread_attr_setschedpolicy) (pthread_attr_t *, int);
int (*ptr_pthread_attr_getscope) (const pthread_attr_t *, int *);
int (*ptr_pthread_attr_setscope) (pthread_attr_t *, int);
int (*ptr_pthread_condattr_destroy) (pthread_condattr_t *);
int (*ptr_pthread_condattr_init) (pthread_condattr_t *);
int (*ptr___pthread_cond_broadcast) (pthread_cond_t *);
int (*ptr___pthread_cond_destroy) (pthread_cond_t *);
int (*ptr___pthread_cond_init) (pthread_cond_t *, const pthread_condattr_t *);
int (*ptr___pthread_cond_signal) (pthread_cond_t *);
int (*ptr___pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *);
int (*ptr_pthread_equal) (pthread_t, pthread_t);
void (*ptr___pthread_exit) (void *);
int (*ptr_pthread_getschedparam) (pthread_t, int *, struct sched_param *);
int (*ptr_pthread_setschedparam) (pthread_t, int, const struct sched_param *);
int (*ptr_pthread_mutex_destroy) (pthread_mutex_t *);
int (*ptr_pthread_mutex_init) (pthread_mutex_t *, const pthread_mutexattr_t *);
int (*ptr_pthread_mutex_lock) (pthread_mutex_t *);
int (*ptr_pthread_mutex_trylock) (pthread_mutex_t *);
int (*ptr_pthread_mutex_unlock) (pthread_mutex_t *);
pthread_t (*ptr_pthread_self) (void);
int (*ptr_pthread_setcancelstate) (int, int *);
int (*ptr_pthread_setcanceltype) (int, int *);
void (*ptr_pthread_do_exit) (void *retval, char *currentframe);
void (*ptr_pthread_cleanup_upto) (jmp_buf target, char *targetframe);
pthread_descr (*ptr_pthread_thread_self) (void);
int (*ptr_pthread_internal_tsd_set) (int key, const void *pointer);
void * (*ptr_pthread_internal_tsd_get) (int key);
void ** __attribute__ ((__const__)) (*ptr_pthread_internal_tsd_address) (int key);
int (*ptr_pthread_sigaction) (int sig, const struct sigaction * act, struct sigaction *oact);
int (*ptr_pthread_sigwait) (const sigset_t *set, int *sig);
int (*ptr_pthread_raise) (int sig);
};
static struct pthread_functions wine_pthread_functions;
static struct pthread_descr_struct initial_descr;
static int init_done;
static pid_t (*libc_fork)(void);
static int (*libc_sigaction)(int signum, const struct sigaction *act, struct sigaction *oldact);
static int (*libc_uselocale)(int set);
static int *(*libc_pthread_init)( const struct pthread_functions *funcs );
static int *libc_multiple_threads;
void PTHREAD_init_done(void)
{
@ -74,6 +143,32 @@ void PTHREAD_init_done(void)
if (!libc_sigaction) libc_sigaction = dlsym( RTLD_NEXT, "sigaction" );
}
void PTHREAD_init_thread(void)
{
static int first = 1;
if (first)
{
first = 0;
NtCurrentTeb()->pthread_data = &initial_descr;
libc_uselocale = dlsym( RTLD_NEXT, "uselocale" );
libc_pthread_init = dlsym( RTLD_NEXT, "__libc_pthread_init" );
if (libc_pthread_init) libc_multiple_threads = libc_pthread_init( &wine_pthread_functions );
}
else
{
struct pthread_descr_struct *descr = calloc( 1, sizeof(*descr) );
NtCurrentTeb()->pthread_data = descr;
if (libc_multiple_threads) *libc_multiple_threads = 1;
}
if (libc_uselocale) libc_uselocale( -1 /*LC_GLOBAL_LOCALE*/ );
}
/* redefine this to prevent libpthread from overriding our function pointers */
int *__libc_pthread_init( const struct pthread_functions *funcs )
{
return libc_multiple_threads;
}
/* NOTE: This is a truly extremely incredibly ugly hack!
* But it does seem to work... */
@ -83,7 +178,11 @@ void PTHREAD_init_done(void)
* (never checks what's in it)
* also: assume that static initializer sets pointer to NULL
*/
typedef struct {
typedef struct
{
#ifdef __GLIBC__
int reserved;
#endif
CRITICAL_SECTION *critsect;
} *wine_mutex;
@ -97,17 +196,18 @@ typedef struct _wine_cleanup {
void *arg;
} *wine_cleanup;
typedef const void *key_data;
#define FIRST_KEY 0
#define MAX_KEYS 16 /* libc6 doesn't use that many, but... */
#define P_OUTPUT(stuff) write(2,stuff,strlen(stuff))
void __pthread_initialize(void)
{
}
pthread_descr __pthread_thread_self(void)
{
struct pthread_descr_struct *descr = NtCurrentTeb()->pthread_data;
if (!descr) return &initial_descr;
return descr;
}
strong_alias(__pthread_thread_self, pthread_thread_self);
struct pthread_thread_init {
void* (*start_routine)(void*);
void* arg;
@ -348,6 +448,7 @@ int __pthread_mutex_destroy(pthread_mutex_t *mutex)
}
RtlDeleteCriticalSection(((wine_mutex)mutex)->critsect);
HeapFree(GetProcessHeap(), 0, ((wine_mutex)mutex)->critsect);
((wine_mutex)mutex)->critsect = NULL;
return 0;
}
strong_alias(__pthread_mutex_destroy, pthread_mutex_destroy);
@ -413,24 +514,40 @@ strong_alias(__pthread_key_delete, pthread_key_delete);
int __pthread_setspecific(pthread_key_t key, const void *pointer)
{
TEB *teb = NtCurrentTeb();
if (!teb->pthread_data) {
teb->pthread_data = calloc(MAX_KEYS,sizeof(key_data));
}
((key_data*)(teb->pthread_data))[key] = pointer;
return 0;
pthread_descr descr = __pthread_thread_self();
descr->key_data[key] = pointer;
return 0;
}
strong_alias(__pthread_setspecific, pthread_setspecific);
void *__pthread_getspecific(pthread_key_t key)
{
TEB *teb = NtCurrentTeb();
if (!teb) return NULL;
if (!teb->pthread_data) return NULL;
return (void *)(((key_data*)(teb->pthread_data))[key]);
pthread_descr descr = __pthread_thread_self();
return (void *)descr->key_data[key];
}
strong_alias(__pthread_getspecific, pthread_getspecific);
/* these are not exported, they are only used in the pthread_functions structure */
static int pthread_internal_tsd_set( int key, const void *pointer )
{
pthread_descr descr = __pthread_thread_self();
descr->tsd_data[key] = pointer;
return 0;
}
static void *pthread_internal_tsd_get( int key )
{
pthread_descr descr = __pthread_thread_self();
return (void *)descr->tsd_data[key];
}
static void ** __attribute__((const)) pthread_internal_tsd_address( int key )
{
pthread_descr descr = __pthread_thread_self();
return (void **)&descr->tsd_data[key];
}
/***** "EXCEPTION" FRAMES *****/
/* not implemented right now */
@ -456,45 +573,55 @@ void _pthread_cleanup_pop_restore(struct _pthread_cleanup_buffer *buffer, int ex
_pthread_cleanup_pop(buffer, execute);
}
void __pthread_cleanup_upto(jmp_buf target, char *frame)
{
/* FIXME */
}
/***** CONDITIONS *****/
/* not implemented right now */
int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *cond_attr)
int __pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *cond_attr)
{
P_OUTPUT("FIXME:pthread_cond_init\n");
return 0;
}
strong_alias(__pthread_cond_init, pthread_cond_init);
int pthread_cond_destroy(pthread_cond_t *cond)
int __pthread_cond_destroy(pthread_cond_t *cond)
{
P_OUTPUT("FIXME:pthread_cond_destroy\n");
return 0;
}
strong_alias(__pthread_cond_destroy, pthread_cond_destroy);
int pthread_cond_signal(pthread_cond_t *cond)
int __pthread_cond_signal(pthread_cond_t *cond)
{
P_OUTPUT("FIXME:pthread_cond_signal\n");
return 0;
}
strong_alias(__pthread_cond_signal, pthread_cond_signal);
int pthread_cond_broadcast(pthread_cond_t *cond)
int __pthread_cond_broadcast(pthread_cond_t *cond)
{
P_OUTPUT("FIXME:pthread_cond_broadcast\n");
return 0;
}
strong_alias(__pthread_cond_broadcast, pthread_cond_broadcast);
int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
int __pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
{
P_OUTPUT("FIXME:pthread_cond_wait\n");
return 0;
}
strong_alias(__pthread_cond_wait, pthread_cond_wait);
int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime)
int __pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime)
{
P_OUTPUT("FIXME:pthread_cond_timedwait\n");
return 0;
}
strong_alias(__pthread_cond_timedwait, pthread_cond_timedwait);
/**** CONDITION ATTRIBUTES *****/
/* not implemented right now */
@ -638,12 +765,18 @@ int pthread_equal(pthread_t thread1, pthread_t thread2)
return (DWORD)thread1 == (DWORD)thread2;
}
void pthread_exit(void *retval)
void __pthread_do_exit(void *retval, char *currentframe)
{
/* FIXME: pthread cleanup */
ExitThread((DWORD)retval);
}
void __pthread_exit(void *retval)
{
__pthread_do_exit( retval, NULL );
}
strong_alias(__pthread_exit, pthread_exit);
int pthread_setcanceltype(int type, int *oldtype)
{
if (oldtype) *oldtype = PTHREAD_CANCEL_ASYNCHRONOUS;
@ -663,6 +796,52 @@ int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact)
return libc_sigaction(signum, act, oldact);
}
static struct pthread_functions wine_pthread_functions =
{
NULL, /* ptr_pthread_fork */
NULL, /* FIXME */ /* ptr_pthread_attr_destroy */
NULL, /* FIXME */ /* ptr___pthread_attr_init_2_0 */
NULL, /* FIXME */ /* ptr___pthread_attr_init_2_1 */
NULL, /* FIXME */ /* ptr_pthread_attr_getdetachstate */
NULL, /* FIXME */ /* ptr_pthread_attr_setdetachstate */
NULL, /* FIXME */ /* ptr_pthread_attr_getinheritsched */
NULL, /* FIXME */ /* ptr_pthread_attr_setinheritsched */
NULL, /* FIXME */ /* ptr_pthread_attr_getschedparam */
pthread_attr_setschedparam, /* ptr_pthread_attr_setschedparam */
NULL, /* FIXME */ /* ptr_pthread_attr_getschedpolicy) (const pthread_attr_t *, int *); */
NULL, /* FIXME */ /* ptr_pthread_attr_setschedpolicy) (pthread_attr_t *, int); */
NULL, /* FIXME */ /* ptr_pthread_attr_getscope) (const pthread_attr_t *, int *); */
NULL, /* FIXME */ /* ptr_pthread_attr_setscope) (pthread_attr_t *, int); */
pthread_condattr_destroy, /* ptr_pthread_condattr_destroy */
pthread_condattr_init, /* ptr_pthread_condattr_init */
__pthread_cond_broadcast, /* ptr___pthread_cond_broadcast */
__pthread_cond_destroy, /* ptr___pthread_cond_destroy */
__pthread_cond_init, /* ptr___pthread_cond_init */
__pthread_cond_signal, /* ptr___pthread_cond_signal */
__pthread_cond_wait, /* ptr___pthread_cond_wait */
pthread_equal, /* ptr_pthread_equal */
__pthread_exit, /* ptr___pthread_exit */
NULL, /* FIXME */ /* ptr_pthread_getschedparam */
NULL, /* FIXME */ /* ptr_pthread_setschedparam */
__pthread_mutex_destroy, /* ptr_pthread_mutex_destroy */
__pthread_mutex_init, /* ptr_pthread_mutex_init */
__pthread_mutex_lock, /* ptr_pthread_mutex_lock */
__pthread_mutex_trylock, /* ptr_pthread_mutex_trylock */
__pthread_mutex_unlock, /* ptr_pthread_mutex_unlock */
pthread_self, /* ptr_pthread_self */
NULL, /* FIXME */ /* ptr_pthread_setcancelstate */
pthread_setcanceltype, /* ptr_pthread_setcanceltype */
__pthread_do_exit, /* ptr_pthread_do_exit */
__pthread_cleanup_upto, /* ptr_pthread_cleanup_upto */
__pthread_thread_self, /* ptr_pthread_thread_self */
pthread_internal_tsd_set, /* ptr_pthread_internal_tsd_set */
pthread_internal_tsd_get, /* ptr_pthread_internal_tsd_get */
pthread_internal_tsd_address, /* ptr_pthread_internal_tsd_address */
NULL, /* ptr_pthread_sigaction */
NULL, /* ptr_pthread_sigwait */
NULL /* ptr_pthread_raise */
};
#else /* __GLIBC__ || __FREEBSD__ */
void PTHREAD_init_done(void)