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specifies whether all bits are to be set/cleared or any of the bits are to be set/cleared. Here are the options:
OS_OPT_PEND_FLAG_CLR_ALL
Check If OS_CFG_FLAG_MODE_CLR_EN is set to DEF_ENABLED in os_cfg.h, check all bits in flags to be clear (0)
OS_OPT_PEND_FLAG_CLR_ANY
Check If OS_CFG_FLAG_MODE_CLR_EN is set to DEF_ENABLED in os_cfg.h, check any bit in flags to be clear (0)
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OS_CFG_FLAG_EN must be enabled, and optionally OS_CFG_FLAG_MODE_CLR_EN, in os_cfg.h. Refer Refer to µC-OS-III Configuration Manual.
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