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If waiter allocation fails, mark the fd with POLLERR and wake
epoll_wait() instead of silently dropping the watch.
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修复 epoll waiter 生命周期，避免等待队列节点在回调后失效。
整理 LWP POSIX syscall 的用户空间拷贝和错误返回路径。
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dlmodule_load_shared_object
[Problem Description]
In the dlmodule_load_shared_object function,
if a module loading fails once due to an unresolved symbol,
all subsequent attempts to load any module will fail.
The system becomes unable to load modules correctly until a reboot.
[Problem Analysis]
The root cause is that the variable unsolved is defined as static.
Static variables retain their value between function calls.
If a relocation error occurs, unsolved is set to RT_TRUE.
However, when the function returns with an error, the value of unsolved is not reset.
Consequently, on the next function call, unsolved remains RT_TRUE from the previous execution.
This causes the check if (unsolved) to trigger immediately (or after the loop),
forcing the function to return an error regardless of whether the current module is valid or not.
[Solution]
Reset the unsolved variable to RT_FALSE before returning the error code -RT_ERROR.
This ensures the variable is in a clean state for the next function call, preventing state leakage between invocations.
Signed-off-by: Liu Gui <[email protected]>
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The POSIX mq_send() function currently passes timeout=0 to
rt_mq_send_wait_prio(), causing it to return immediately when the
queue is full instead of blocking as required by POSIX.1-2017.
This patch:
1. Changes mq_send() to use RT_WAITING_FOREVER for blocking behavior
2. Implements mq_timedsend() properly with timeout support
3. Fixes errno mapping for different error conditions
Reference: POSIX.1-2017 mq_send(3p):
"If the specified message queue is full, mq_send() shall block until
space becomes available to enqueue the message, or until mq_send()
is interrupted by a signal."
Fixes: https://github.com/RT-Thread/rt-thread/issues/11196
Signed-off-by: hzt <[email protected]>
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* [components][clock_time] Refactor time subsystem around clock_time
Introduce the clock_time core with clock source/event separation, high-resolution scheduling, and boot-time helpers, plus clock_timer adapters for timer peripherals.
Remove legacy ktime/cputime/hwtimer implementations and migrate arch and BSP time paths to the new subsystem while keeping POSIX time integration functional.
Update drivers, Kconfig/SConscript wiring, documentation, and tests; add clock_time overview docs and align naming to clock_boottime/clock_hrtimer/clock_timer.
* [components][clock_time] Use BSP-provided clock timer frequency on riscv64
* [risc-v] Use runtime clock timer frequency for tick and delays
* [bsp] Add clock timer frequency hooks for riscv64 boards
* [bsp] Update Renesas RA driver doc clock_timer link
* [bsp] Sync zynqmp-r5-axu4ev rtconfig after config refresh
* [bsp][rk3500] Update rk3500 clock configuration
* [bsp][hpmicro] Add rt_hw_us_delay hook and update board delays
* [bsp][stm32l496-st-nucleo] enable clock_time for hwtimer sample in ci
* [bsp][hpmicro] Fix rtconfig include scope for hpm6750evk
Move rtconfig.h include outside the ENET_MULTIPLE_PORT guard for hpm6750evk and hpm6750evk2 so configuration macros are available regardless of ENET settings.
* [bsp][raspi3] select clock time for systimer
* [bsp][hpm5300evk] Trim trailing blank line
* [bsp][hpm5301evklite] Trim trailing blank line
* [bsp][hpm5e00evk] Trim trailing blank line
* [bsp][hpm6200evk] Trim trailing blank line
* [bsp][hpm6300evk] Trim trailing blank line
* [bsp][hpm6750evk] Trim trailing blank line
* [bsp][hpm6750evk2] Trim trailing blank line
* [bsp][hpm6750evkmini] Trim trailing blank line
* [bsp][hpm6800evk] Trim trailing blank line
* [bsp][hpm6e00evk] Trim trailing blank line
* [bsp][nxp] switch lpc178x to gcc and remove mcx timer source
* [bsp][stm32] fix the CONFIG_RT_USING_CLOCK_TIME issue.
* [docs][clock_time] add clock time documentation
* [docs][clock_time] Update clock time subsystem documentation
- Update device driver index to use correct page reference
- Clarify upper layer responsibilities in architecture overview
- Update README to describe POSIX/libc, Soft RTC, and device driver usage
- Refine architecture diagram with improved layout and color scheme
- Remove obsolete clock_timer.md file
* [kernel][utest] Trim trailing space
* [clock_time] Fix hrtimer wrap handling
* [clock_time] fix the static rt_inline issue
* [clock_time] fix the rt_clock_hrtimer_control result issue
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for loop
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Signed-off-by: GuEe-GUI <[email protected]>
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__sdidinit (#10791)
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int/rt_int32_t
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Signed-off-by: Yonggang Luo <[email protected]>
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* [components/libc/posix][pthreads]fix the risk of dangling pointer
* [components][dfs][dfs_elm]:fix risk of dangling pointer, unmount the temp driver then free the temp FATFS in dfs_elm_mkfs.
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[Problem Description]
1. When enabling RT_USING_MODULE=y, compilation warnings occur:
dlelf.c:386:27: warning: cast from pointer to integer of different size
dlelf.c:398:25: warning: cast from pointer to integer of different size
dlelf.c:408:24: warning: cast from pointer to integer of different size
2. On RV64 architectures (e.g. Sophgo SG2042 with RISC-V Sv39 and 40-bit physical addressing),
dlsym may fail when accessing addresses beyond 32-bit range.
[Root Cause]
In dlmodule_load_relocated_object() and dlmodule_symbol_find(),
pointer is cast to rt_uint32_t which truncates:
| rt_ubase_t rodata_addr = (rt_uint32_t)ptr;
This causes:
- Warnings on 64-bit systems (pointer width > 32-bit)
- Actual address truncation on RV64 when physical address exceeds 32-bit
[Solution]
Replace rt_uint32_t with architecture-adaptive rt_ubase_t:
| rt_ubase_t rodata_addr = (rt_ubase_t)ptr;
The rt_ubase_t is defined in include/rttypes.h as:
| #ifdef ARCH_CPU_64BIT
| typedef rt_uint64_t rt_ubase_t;
| #else
| typedef rt_uint32_t rt_ubase_t;
| #endif
This ensures correct width casting for both 32/64-bit architectures.
Signed-off-by: Liu Gui <[email protected]>
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[Problem Description]
When assigning name to rt_object, strncpy() uses size equal to RT_NAME_MAX,
which causes missing null-terminator and overflows into adjacent 'type' field.
This corruption leads to unexpected system behavior.
[Problem Analysis]
The rt_object structure defines:
| char name[RT_NAME_MAX] | -> buffer
| rt_uint8_t type | -> adjacent field
Original code calculates size as:
size = end - first + 1;
if (size > RT_NAME_MAX) size = RT_NAME_MAX;
When size equals RT_NAME_MAX, strncpy() will copy exactly RT_NAME_MAX bytes
without adding terminating '\0', causing two issues:
1. name buffer is not null-terminated
2. The implicit null-byte writes beyond name[] into type field
[Solution]
Change boundary check from:
if (size > RT_NAME_MAX) size = RT_NAME_MAX;
to:
if (size >= RT_NAME_MAX) size = RT_NAME_MAX - 1;
This ensures:
1. Always leaves space for null-terminator
2. Prevents overflow into type field
3. Maintains maximum valid name length (RT_NAME_MAX-1 + '\0')
Signed-off-by: Liu Gui <[email protected]>
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still in use and dosen't destory the mutex either.
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and always return EINVAL.
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"dlmodule.c". (#9093)
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* GPIO驱动与QSPI驱动适配
* C++支持
* update
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Co-authored-by: 张衍 <[email protected]>
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thread_local对象析构函数与实际内存释放动作顺序相反问题
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* [thread] Add rt_thread_close()
This patch introduces a new function `rt_thread_close()` to enhances the
usability and maintainability by providing a dedicated mechanism for
closing threads.
- A new function `rt_thread_close()` is added to the API, providing a
standardized approach for closing threads.
- The `rt_thread_close()` function removes a thread from the thread
queue, updates its status to indicate closure, and performs the thread
timer detaching which is a embedded timer in thread object.
- Additionally, the `rt_thread_detach()` function is modified to utilize
`rt_thread_close()` internally, streamlining the thread detachment
process.
Signed-off-by: Shell <[email protected]>
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* Add GCC generalized atomic operation function
* 修复POSIX线程本地存储寻找posix线程句柄时的逻辑错误
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Signed-off-by: xqyjlj <[email protected]>
Signed-off-by: Shell <[email protected]>
Co-authored-by: xqyjlj <[email protected]>
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modified: components/libc/posix/io/aio/aio.h Align comments within the aiocb structure
modified: components/libc/posix/io/epoll/epoll.c Add comments for all functions and members within structure members
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functions in this file
modified: components/libc/posix/signal/posix_signal.c Add comments to the sigqueue function, although it does not have an internal implementation
modified: components/libc/posix/signal/posix_signal.h Added detailed explanation to all members of the rt_signal_value enumeration
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Signed-off-by: Shell <[email protected]>
Co-authored-by: xqyjlj <[email protected]>
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