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[components/lwp]add doxygen comment for lwp_pid. #10702

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Guorui Li
2025-09-19 18:18:26 +08:00
committed by GitHub
parent d7dded112e
commit 2cd44e23c0
2 changed files with 637 additions and 34 deletions
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628
components/lwp/lwp_pid.c
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43
components/lwp/lwp_pid.h
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@@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2006-2020, RT-Thread Development Team * Copyright (c) 2006-2025 RT-Thread Development Team
* *
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
* *
@@ -59,26 +59,33 @@ char* lwp_pid2name(int32_t pid);
int lwp_getpid(void); int lwp_getpid(void);
/**
* @brief Resource usage statistics structure
*
* @note The structure tracks various system resource usage statistics for a process,
* including CPU time, memory usage, I/O operations, and context switches.
* It follows the traditional Unix rusage structure format.
*/
struct rusage struct rusage
{ {
struct timeval ru_utime; struct timeval ru_utime; /**< User CPU time */
struct timeval ru_stime; struct timeval ru_stime; /**< System CPU time */
long ru_maxrss; long ru_maxrss; /**< Maximum resident set size */
long ru_ixrss; long ru_ixrss; /**< Integral shared memory size */
long ru_idrss; long ru_idrss; /**< Integral unshared data size */
long ru_isrss; long ru_isrss; /**< Integral unshared stack size */
long ru_minflt; long ru_minflt; /**< Page reclaims (soft page faults) */
long ru_majflt; long ru_majflt; /**< Page faults (hard page faults) */
long ru_nswap; long ru_nswap; /**< Swaps */
long ru_inblock; long ru_inblock; /**< Block input operations */
long ru_oublock; long ru_oublock; /**< Block output operations */
long ru_msgsnd; long ru_msgsnd; /**< IPC messages sent */
long ru_msgrcv; long ru_msgrcv; /**< IPC messages received */
long ru_nsignals; long ru_nsignals; /**< Signals received */
long ru_nvcsw; long ru_nvcsw; /**< voluntary context switches */
long ru_nivcsw; long ru_nivcsw; /**< involuntary context switches */
long reserved[16]; long reserved[16]; /**< Reserved for future use */
}; };
pid_t lwp_waitpid(const pid_t pid, int *status, int options, struct rusage *ru); pid_t lwp_waitpid(const pid_t pid, int *status, int options, struct rusage *ru);
rt_err_t lwp_waitpid_kick(struct rt_lwp *parent, struct rt_lwp *self_lwp); rt_err_t lwp_waitpid_kick(struct rt_lwp *parent, struct rt_lwp *self_lwp);