mirror of
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48 lines
941 B
C
48 lines
941 B
C
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/*
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* Copyright (C) 2018 Alibaba Group Holding Limited
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*/
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#include <sys/prctl.h>
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#include <stdarg.h>
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int prctl(int option, ...)
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{
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va_list ap;
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unsigned long arg;
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char *p_str;
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ktask_t *p_tcb;
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CPSR_ALLOC();
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if (option == PR_SET_NAME) {
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/* set ap to the start stack address of argument list */
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va_start(ap, option);
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/*
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* checkout the first argument from argument list, and force it
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* to unsigned long, the ap address will be moved at same time.
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*/
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arg = va_arg(ap, unsigned long);
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va_end(ap);
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p_str = (char *)arg;
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if (NULL == p_str) {
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return 1;
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}
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/* get TCB of current task */
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RHINO_CRITICAL_ENTER();
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p_tcb = g_active_task[cpu_cur_get()];
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p_tcb->task_name = p_str;
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RHINO_CRITICAL_EXIT();
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return 0;
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} else {
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return 1;
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}
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}
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