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posix shm & system v的信号量支持（未完成）

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zhangzheng
2025-03-18 21:18:26 +08:00
parent f91973e6b0
commit 347a1372bc
41 changed files with 781 additions and 260 deletions
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5
mkrtos_user/lib/libc_backend/src/fd_map.c
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@@ -1,7 +1,7 @@
/**
* @file fd_map.c
* @author your name (1358745329@qq.com)
* @brief fd映射层
* @brief fd map layer
* @version 0.1
* @date 2024-08-08
*
@@ -108,13 +108,16 @@ int fd_map_get(int fd, fd_map_entry_t *new_entry)
}
int row_inx = fd / CONFIG_FD_MAP_ROW_CN;
int inx = fd % CONFIG_FD_MAP_ROW_CN;
pthread_spin_lock(&fd_map.lock);
if (fd_map.row[row_inx] == NULL)
{
pthread_spin_unlock(&fd_map.lock);
return -1;
}
*new_entry = fd_map.row[row_inx]->entry[inx];
pthread_spin_unlock(&fd_map.lock);
return 0;
}
/**