Documentation/NuttXCCodingStandard.html: Remove requirement to decor… #31
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…te ignored returned values with (void).
acassis
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…te ignored returned values with (void). (#31) Co-authored-by: Gregory Nutt <gnutt@nuttx.org>
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…te ignored returned values with (void). (#31) Co-authored-by: Gregory Nutt <gnutt@nuttx.org>
davids5
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| <b>Checking Return Values</b>. | ||
| Callers of internal OS functions should always check return values for an error. | ||
| At a minimum, a debug statement should indicate that an error has occurred. | ||
| The calling logic intentionally ignores the returned value, then the function return value should be explicitly cast to <code>(void)</code> to indicate that the return value is intentionally ignored. |
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Why the relaxation? What was the argument for these changes?
GUIDINGLI
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set CONFIG_PRIORITY_INHERITANCE=y
set CONFIG_SEM_PREALLOCHOLDERS=0 or CONFIG_SEM_PREALLOCHOLDERS=8
apache#24 0x4dcab71 in __assert assert/lib_assert.c:37
apache#25 0x4d6b0e9 in nxsem_destroyholder semaphore/sem_holder.c:602
apache#26 0x4d80cf7 in nxsem_destroy semaphore/sem_destroy.c:80
apache#27 0x4d80db9 in sem_destroy semaphore/sem_destroy.c:120
apache#28 0x4dcb077 in nxmutex_destroy misc/lib_mutex.c:122
apache#29 0x4dc6611 in pipecommon_freedev pipes/pipe_common.c:117
apache#30 0x4dc7fdc in pipecommon_close pipes/pipe_common.c:397
apache#31 0x4ed4f6d in file_close vfs/fs_close.c:78
apache#32 0x6a91133 in local_free local/local_conn.c:184
apache#33 0x6a92a9c in local_release local/local_release.c:129
apache#34 0x6a91d1a in local_subref local/local_conn.c:271
apache#35 0x6a75767 in local_close local/local_sockif.c:797
apache#36 0x4e978f6 in psock_close socket/net_close.c:102
apache#37 0x4eed1b9 in sock_file_close socket/socket.c:115
apache#38 0x4ed4f6d in file_close vfs/fs_close.c:78
apache#39 0x4ed1459 in nx_close_from_tcb inode/fs_files.c:754
apache#40 0x4ed1501 in nx_close inode/fs_files.c:781
apache#41 0x4ed154a in close inode/fs_files.c:819
apache#42 0x6bcb9ce in property_get kvdb/client.c:307
apache#43 0x6bcd465 in property_get_int32 kvdb/common.c:270
apache#44 0x5106c9a in tz_offset_restore app/miwear_bluetooth.c:745
apache#45 0x510893f in miwear_bluetooth_main app/miwear_bluetooth.c:1033
apache#46 0x4dcf5c8 in nxtask_startup sched/task_startup.c:70
apache#47 0x4d70873 in nxtask_start task/task_start.c:134
apache#48 0x4e04a07 in pre_start sim/sim_initialstate.c:52
Signed-off-by: ligd <liguiding1@xiaomi.com>
xiaoxiang781216
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Oct 11, 2024
set CONFIG_PRIORITY_INHERITANCE=y
set CONFIG_SEM_PREALLOCHOLDERS=0 or CONFIG_SEM_PREALLOCHOLDERS=8
#24 0x4dcab71 in __assert assert/lib_assert.c:37
#25 0x4d6b0e9 in nxsem_destroyholder semaphore/sem_holder.c:602
#26 0x4d80cf7 in nxsem_destroy semaphore/sem_destroy.c:80
#27 0x4d80db9 in sem_destroy semaphore/sem_destroy.c:120
#28 0x4dcb077 in nxmutex_destroy misc/lib_mutex.c:122
#29 0x4dc6611 in pipecommon_freedev pipes/pipe_common.c:117
#30 0x4dc7fdc in pipecommon_close pipes/pipe_common.c:397
#31 0x4ed4f6d in file_close vfs/fs_close.c:78
#32 0x6a91133 in local_free local/local_conn.c:184
#33 0x6a92a9c in local_release local/local_release.c:129
#34 0x6a91d1a in local_subref local/local_conn.c:271
#35 0x6a75767 in local_close local/local_sockif.c:797
#36 0x4e978f6 in psock_close socket/net_close.c:102
#37 0x4eed1b9 in sock_file_close socket/socket.c:115
#38 0x4ed4f6d in file_close vfs/fs_close.c:78
#39 0x4ed1459 in nx_close_from_tcb inode/fs_files.c:754
#40 0x4ed1501 in nx_close inode/fs_files.c:781
#41 0x4ed154a in close inode/fs_files.c:819
#42 0x6bcb9ce in property_get kvdb/client.c:307
#43 0x6bcd465 in property_get_int32 kvdb/common.c:270
#44 0x5106c9a in tz_offset_restore app/miwear_bluetooth.c:745
#45 0x510893f in miwear_bluetooth_main app/miwear_bluetooth.c:1033
#46 0x4dcf5c8 in nxtask_startup sched/task_startup.c:70
#47 0x4d70873 in nxtask_start task/task_start.c:134
#48 0x4e04a07 in pre_start sim/sim_initialstate.c:52
Signed-off-by: ligd <liguiding1@xiaomi.com>
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Documentation/NuttXCCodingStandard.html: Remove requirement to decorate ignored returned values with (void).