15 lines
418 B
C
15 lines
418 B
C
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#include <syscall/syscall_num.h>
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#include <syscall/syscall.h>
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/**
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* @brief 等待指定pid的子进程退出
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*
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* @param pid 子进程的pid
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* @param stat_loc 返回的子进程结束状态
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* @param options 额外的控制选项
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* @return pid_t
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*/
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pid_t waitpid(pid_t pid, int *stat_loc, int options)
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{
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return (pid_t)enter_syscall_int(SYS_WAIT4, (uint64_t)pid, (uint64_t)stat_loc, options, 0, 0, 0, 0, 0);
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}
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