Changeset b2d06fa in mainline for uspace/lib


Ignore:
Timestamp:
2010-12-25T17:14:36Z (15 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
092e4f1
Parents:
59e9398b (diff), 3ac66f69 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge mainline changes.

Location:
uspace/lib
Files:
9 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/c/generic/async_rel.c

    r59e9398b rb2d06fa  
    239239                 */
    240240retry:
    241                 rel_phone = ipc_connect_me_to(key_phone, 0, 0, 0);
     241                rel_phone = async_connect_me_to(key_phone, 0, 0, 0);
    242242                if (rel_phone >= 0) {
    243243                        /* success, do nothing */

  • uspace/lib/c/generic/device/hw_res.c

    r59e9398b rb2d06fa  
    3838#include <malloc.h>
    3939
    40 bool get_hw_resources(int dev_phone, hw_resource_list_t *hw_resources)
     40int get_hw_resources(int dev_phone, hw_resource_list_t *hw_resources)
    4141{
    4242        sysarg_t count = 0;
    4343        int rc = async_req_1_1(dev_phone, DEV_IFACE_ID(HW_RES_DEV_IFACE), GET_RESOURCE_LIST, &count);
    4444        hw_resources->count = count;
    45         if (EOK != rc) {
    46                 return false;
    47         }
     45        if (rc != EOK)
     46                return rc;
    4847       
    4948        size_t size = count * sizeof(hw_resource_t);
    5049        hw_resources->resources = (hw_resource_t *)malloc(size);
    51         if (NULL == hw_resources->resources) {
    52                 return false;
    53         }
     50        if (!hw_resources->resources)
     51                return ENOMEM;
    5452       
    5553        rc = async_data_read_start(dev_phone, hw_resources->resources, size);
    56         if (EOK != rc) {
     54        if (rc != EOK) {
    5755                free(hw_resources->resources);
    5856                hw_resources->resources = NULL;
    59                 return false;
     57                return rc;
    6058        }
    6159                 
    62         return true;     
     60        return EOK;
    6361}
    6462

  • uspace/lib/c/generic/devmap.c

    r59e9398b rb2d06fa  
    127127/** Register new device.
    128128 *
    129  * @param namespace Namespace name.
     129 * The @p interface is used when forwarding connection to the driver.
     130 * If not 0, the first argument is the interface and the second argument
     131 * is the devmap handle of the device.
     132 * When the interface is zero (default), the first argument is directly
     133 * the handle (to ensure backward compatibility).
     134 *
     135 * @param fqdn Fully qualified device name.
     136 * @param[out] handle Handle to the created instance of device.
     137 * @param interface Interface when forwarding.
     138 *
     139 */
     140int devmap_device_register_with_iface(const char *fqdn,
     141    devmap_handle_t *handle, sysarg_t interface)
     142{
     143        int phone = devmap_get_phone(DEVMAP_DRIVER, IPC_FLAG_BLOCKING);
     144       
     145        if (phone < 0)
     146                return phone;
     147       
     148        async_serialize_start();
     149       
     150        ipc_call_t answer;
     151        aid_t req = async_send_2(phone, DEVMAP_DEVICE_REGISTER, interface, 0,
     152            &answer);
     153       
     154        sysarg_t retval = async_data_write_start(phone, fqdn, str_size(fqdn));
     155        if (retval != EOK) {
     156                async_wait_for(req, NULL);
     157                async_serialize_end();
     158                return retval;
     159        }
     160       
     161        async_wait_for(req, &retval);
     162       
     163        async_serialize_end();
     164       
     165        if (retval != EOK) {
     166                if (handle != NULL)
     167                        *handle = -1;
     168                return retval;
     169        }
     170       
     171        if (handle != NULL)
     172                *handle = (devmap_handle_t) IPC_GET_ARG1(answer);
     173       
     174        return retval;
     175}
     176
     177/** Register new device.
     178 *
    130179 * @param fqdn      Fully qualified device name.
    131180 * @param handle    Output: Handle to the created instance of device.
    … …  
    134183int devmap_device_register(const char *fqdn, devmap_handle_t *handle)
    135184{
    136         int phone = devmap_get_phone(DEVMAP_DRIVER, IPC_FLAG_BLOCKING);
    137        
    138         if (phone < 0)
    139                 return phone;
    140        
    141         async_serialize_start();
    142        
    143         ipc_call_t answer;
    144         aid_t req = async_send_2(phone, DEVMAP_DEVICE_REGISTER, 0, 0,
    145             &answer);
    146        
    147         sysarg_t retval = async_data_write_start(phone, fqdn, str_size(fqdn));
    148         if (retval != EOK) {
    149                 async_wait_for(req, NULL);
    150                 async_serialize_end();
    151                 return retval;
    152         }
    153        
    154         async_wait_for(req, &retval);
    155        
    156         async_serialize_end();
    157        
    158         if (retval != EOK) {
    159                 if (handle != NULL)
    160                         *handle = -1;
    161                 return retval;
    162         }
    163        
    164         if (handle != NULL)
    165                 *handle = (devmap_handle_t) IPC_GET_ARG1(answer);
    166        
    167         return retval;
    168 }
     185        return devmap_device_register_with_iface(fqdn, handle, 0);
     186}
     187
    169188
    170189int devmap_device_get_handle(const char *fqdn, devmap_handle_t *handle, unsigned int flags)
    … …  
    260279       
    261280        if (flags & IPC_FLAG_BLOCKING) {
    262                 phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAP,
     281                phone = async_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAP,
    263282                    DEVMAP_CONNECT_TO_DEVICE, handle);
    264283        } else {
    265                 phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP,
     284                phone = async_connect_me_to(PHONE_NS, SERVICE_DEVMAP,
    266285                    DEVMAP_CONNECT_TO_DEVICE, handle);
    267286        }

  • uspace/lib/c/generic/fibril_synch.c

    r59e9398b rb2d06fa  
    139139static void _fibril_mutex_unlock_unsafe(fibril_mutex_t *fm)
    140140{
    141         assert(fm->counter <= 0);
    142141        if (fm->counter++ < 0) {
    143142                link_t *tmp;
    … …  
    165164void fibril_mutex_unlock(fibril_mutex_t *fm)
    166165{
     166        assert(fibril_mutex_is_locked(fm));
    167167        futex_down(&async_futex);
    168168        _fibril_mutex_unlock_unsafe(fm);
    169169        futex_up(&async_futex);
     170}
     171
     172bool fibril_mutex_is_locked(fibril_mutex_t *fm)
     173{
     174        bool locked = false;
     175       
     176        futex_down(&async_futex);
     177        if (fm->counter <= 0)
     178                locked = true;
     179        futex_up(&async_futex);
     180       
     181        return locked;
    170182}
    171183
    … …  
    230242{
    231243        futex_down(&async_futex);
    232         assert(frw->readers || (frw->writers == 1));
    233244        if (frw->readers) {
    234245                if (--frw->readers) {
    … …  
    296307void fibril_rwlock_read_unlock(fibril_rwlock_t *frw)
    297308{
     309        assert(fibril_rwlock_is_read_locked(frw));
    298310        _fibril_rwlock_common_unlock(frw);
    299311}
    … …  
    301313void fibril_rwlock_write_unlock(fibril_rwlock_t *frw)
    302314{
     315        assert(fibril_rwlock_is_write_locked(frw));
    303316        _fibril_rwlock_common_unlock(frw);
     317}
     318
     319bool fibril_rwlock_is_read_locked(fibril_rwlock_t *frw)
     320{
     321        bool locked = false;
     322
     323        futex_down(&async_futex);
     324        if (frw->readers)
     325                locked = true;
     326        futex_up(&async_futex);
     327
     328        return locked;
     329}
     330
     331bool fibril_rwlock_is_write_locked(fibril_rwlock_t *frw)
     332{
     333        bool locked = false;
     334
     335        futex_down(&async_futex);
     336        if (frw->writers) {
     337                assert(frw->writers == 1);
     338                locked = true;
     339        }
     340        futex_up(&async_futex);
     341
     342        return locked;
     343}
     344
     345bool fibril_rwlock_is_locked(fibril_rwlock_t *frw)
     346{
     347        return fibril_rwlock_is_read_locked(frw) ||
     348            fibril_rwlock_is_write_locked(frw);
    304349}
    305350
    … …  
    314359{
    315360        awaiter_t wdata;
     361
     362        assert(fibril_mutex_is_locked(fm));
    316363
    317364        if (timeout < 0)

  • uspace/lib/c/include/device/hw_res.h

    r59e9398b rb2d06fa  
    9595
    9696
    97 bool get_hw_resources(int dev_phone, hw_resource_list_t *hw_resources);
    98 
    99 bool enable_interrupt(int dev_phone);
     97extern int get_hw_resources(int, hw_resource_list_t *);
     98extern bool enable_interrupt(int);
    10099
    101100

  • uspace/lib/c/include/devmap.h

    r59e9398b rb2d06fa  
    4545extern int devmap_driver_register(const char *, async_client_conn_t);
    4646extern int devmap_device_register(const char *, devmap_handle_t *);
     47extern int devmap_device_register_with_iface(const char *, devmap_handle_t *, sysarg_t);
    4748
    4849extern int devmap_device_get_handle(const char *, devmap_handle_t *, unsigned int);

  • uspace/lib/c/include/fibril_synch.h

    r59e9398b rb2d06fa  
    105105extern bool fibril_mutex_trylock(fibril_mutex_t *);
    106106extern void fibril_mutex_unlock(fibril_mutex_t *);
     107extern bool fibril_mutex_is_locked(fibril_mutex_t *);
    107108
    108109extern void fibril_rwlock_initialize(fibril_rwlock_t *);
    … …  
    111112extern void fibril_rwlock_read_unlock(fibril_rwlock_t *);
    112113extern void fibril_rwlock_write_unlock(fibril_rwlock_t *);
     114extern bool fibril_rwlock_is_read_locked(fibril_rwlock_t *);
     115extern bool fibril_rwlock_is_write_locked(fibril_rwlock_t *);
     116extern bool fibril_rwlock_is_locked(fibril_rwlock_t *);
    113117
    114118extern void fibril_condvar_initialize(fibril_condvar_t *);

  • uspace/lib/c/include/ipc/devman.h

    r59e9398b rb2d06fa  
    123123        DEVMAN_CLIENT,
    124124        DEVMAN_CONNECT_TO_DEVICE,
     125        DEVMAN_CONNECT_FROM_DEVMAP,
    125126        DEVMAN_CONNECT_TO_PARENTS_DEVICE
    126127} devman_interface_t;

  • uspace/lib/packet/generic/packet_server.c

    r59e9398b rb2d06fa  
    135135/** Creates a new packet of dimensions at least as given.
    136136 *
    137  * Should be used only when the global data are locked.
    138  *
    139137 * @param[in] length    The total length of the packet, including the header,
    140138 *                      the addresses and the data of the packet.
    … …  
    153151        packet_t *packet;
    154152        int rc;
     153
     154        assert(fibril_mutex_is_locked(&ps_globals.lock));
    155155
    156156        // already locked
    … …  
    233233/** Release the packet and returns it to the appropriate free packet queue.
    234234 *
    235  * Should be used only when the global data are locked.
    236  *
    237235 * @param[in] packet    The packet to be released.
    238236 *
    … …  
    242240        int index;
    243241        int result;
     242
     243        assert(fibril_mutex_is_locked(&ps_globals.lock));
    244244
    245245        for (index = 0; (index < FREE_QUEUES_COUNT - 1) &&
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