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Diffstat (limited to 'libraries/libldap/thr_pth.c')
-rw-r--r-- | libraries/libldap/thr_pth.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/libraries/libldap/thr_pth.c b/libraries/libldap/thr_pth.c new file mode 100644 index 0000000..894082d --- /dev/null +++ b/libraries/libldap/thr_pth.c @@ -0,0 +1,238 @@ +/* thr_pth.c - wrappers around GNU Pth */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1998-2022 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ + +#include "portable.h" + +#if defined( HAVE_GNU_PTH ) + +#include "ldap_pvt_thread.h" /* Get the thread interface */ +#define LDAP_THREAD_IMPLEMENTATION +#define LDAP_THREAD_RDWR_IMPLEMENTATION +#include "ldap_thr_debug.h" /* May rename the symbols defined below */ + +#include <errno.h> + +/******************* + * * + * GNU Pth Threads * + * * + *******************/ + +static pth_attr_t detach_attr; +static pth_attr_t joined_attr; + +int +ldap_int_thread_initialize( void ) +{ + if( !pth_init() ) { + return -1; + } + detach_attr = pth_attr_new(); + joined_attr = pth_attr_new(); +#ifdef LDAP_PVT_THREAD_SET_STACK_SIZE + pth_attr_set( joined_attr, PTH_ATTR_STACK_SIZE, LDAP_PVT_THREAD_STACK_SIZE ); + pth_attr_set( detach_attr, PTH_ATTR_STACK_SIZE, LDAP_PVT_THREAD_STACK_SIZE ); +#endif + return pth_attr_set( detach_attr, PTH_ATTR_JOINABLE, FALSE ); +} + +int +ldap_int_thread_destroy( void ) +{ + pth_attr_destroy(detach_attr); + pth_kill(); + return 0; +} + +int +ldap_pvt_thread_create( ldap_pvt_thread_t * thread, + int detach, + void *(*start_routine)( void *), + void *arg) +{ + *thread = pth_spawn( detach ? detach_attr : joined_attr, + start_routine, arg ); + + return *thread == NULL ? errno : 0; +} + +void +ldap_pvt_thread_exit( void *retval ) +{ + pth_exit( retval ); +} + +int ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return ) +{ + return pth_join( thread, thread_return ) ? 0 : errno; +} + +int +ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo ) +{ + return pth_raise( thread, signo ) ? 0 : errno; +} + +int +ldap_pvt_thread_yield( void ) +{ + return pth_yield(NULL) ? 0 : errno; +} + +int +ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond ) +{ + return( pth_cond_init( cond ) ? 0 : errno ); +} + +int +ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond ) +{ + return( pth_cond_notify( cond, 0 ) ? 0 : errno ); +} + +int +ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond ) +{ + return( pth_cond_notify( cond, 1 ) ? 0 : errno ); +} + +int +ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond, + ldap_pvt_thread_mutex_t *mutex ) +{ + return( pth_cond_await( cond, mutex, NULL ) ? 0 : errno ); +} + +int +ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cv ) +{ + return 0; +} + +int +ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex ) +{ + return( pth_mutex_init( mutex ) ? 0 : errno ); +} + +int +ldap_pvt_thread_mutex_recursive_init( ldap_pvt_thread_mutex_t *mutex ) +{ + /* All pth mutexes are recursive */ + return ldap_pvt_thread_mutex_init( mutex ); +} + +int +ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex ) +{ + return 0; +} + +int +ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex ) +{ + return( pth_mutex_acquire( mutex, 0, NULL ) ? 0 : errno ); +} + +int +ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex ) +{ + return( pth_mutex_release( mutex ) ? 0 : errno ); +} + +int +ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex ) +{ + return( pth_mutex_acquire( mutex, 1, NULL ) ? 0 : errno ); +} + +ldap_pvt_thread_t +ldap_pvt_thread_self( void ) +{ + return pth_self(); +} + +int +ldap_pvt_thread_key_create( ldap_pvt_thread_key_t *key ) +{ + return pth_key_create( key, NULL ); +} + +int +ldap_pvt_thread_key_destroy( ldap_pvt_thread_key_t key ) +{ + return pth_key_delete( key ); +} + +int +ldap_pvt_thread_key_setdata( ldap_pvt_thread_key_t key, void *data ) +{ + return pth_key_setdata( key, data ); +} + +int +ldap_pvt_thread_key_getdata( ldap_pvt_thread_key_t key, void **data ) +{ + *data = pth_key_getdata( key ); + return 0; +} + +#ifdef LDAP_THREAD_HAVE_RDWR +int +ldap_pvt_thread_rdwr_init( ldap_pvt_thread_rdwr_t *rw ) +{ + return pth_rwlock_init( rw ) ? 0 : errno; +} + +int +ldap_pvt_thread_rdwr_destroy( ldap_pvt_thread_rdwr_t *rw ) +{ + return 0; +} + +int ldap_pvt_thread_rdwr_rlock( ldap_pvt_thread_rdwr_t *rw ) +{ + return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 0, NULL ) ? 0 : errno; +} + +int ldap_pvt_thread_rdwr_rtrylock( ldap_pvt_thread_rdwr_t *rw ) +{ + return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 1, NULL ) ? 0 : errno; +} + +int ldap_pvt_thread_rdwr_runlock( ldap_pvt_thread_rdwr_t *rw ) +{ + return pth_rwlock_release( rw ) ? 0 : errno; +} + +int ldap_pvt_thread_rdwr_wlock( ldap_pvt_thread_rdwr_t *rw ) +{ + return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 0, NULL ) ? 0 : errno; +} + +int ldap_pvt_thread_rdwr_wtrylock( ldap_pvt_thread_rdwr_t *rw ) +{ + return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 1, NULL ) ? 0 : errno; +} + +int ldap_pvt_thread_rdwr_wunlock( ldap_pvt_thread_rdwr_t *rw ) +{ + return pth_rwlock_release( rw ) ? 0 : errno; +} + +#endif /* LDAP_THREAD_HAVE_RDWR */ +#endif /* HAVE_GNU_PTH */ |