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🆕 exec (存在bug

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This commit is contained in:
fslongjin
2022-05-31 21:55:06 +08:00
parent 844e66f6bb
commit e2a59dbd43
24 changed files with 494 additions and 90 deletions
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32
user/libs/libc/unistd.c
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@ -123,16 +123,26 @@ int64_t chdir(char *dest_path)
}
else
{
int retval = syscall_invoke(SYS_CHDIR, (uint64_t)dest_path, 0,0,0,0,0,0,0);
if(retval == 0)
{
errno = 0;
return 0;
}
else
{
errno = retval;
return -1;
}
return syscall_invoke(SYS_CHDIR, (uint64_t)dest_path, 0, 0, 0, 0, 0, 0, 0);
}
}
/**
* @brief 执行新的程序
*
* @param path 文件路径
* @param argv 参数列表
* @return int
*/
int execv(const char *path, char *const argv[])
{
if (path == NULL)
{
errno = -ENOENT;
return -1;
}
int retval = syscall_invoke(SYS_EXECVE, (uint64_t)path, (uint64_t)argv, 0, 0, 0, 0, 0, 0);
if(retval != 0)
return -1;
else return 0;
}