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If OS_CFG_ARG_CHK_EN is set to 1 in DEF_ENABLED in os_cfg.h: if p_grp is a NULL pointer.
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If OS_CFG_OBJ_TYPE_CHK_EN is set to 1 in DEF_ENABLED in os_cfg.h: if p_grp is not pointing to an event flag group.
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If OS_CFG_ARG_CHK_EN is set to 1 in DEF_ENABLED in os_cfg.h: if specifying an invalid option.
OS_ERR_OS_NOT_RUNNING
If OS_CFG_INVALID_OS_CALLS_CHK_EN is set to DEF_ENABLED in os_cfg.h: if µC/OS-III is not running yet.
OS_ERR_PEND_ABORT_ISR
If OS_CFG_CALLED_FROM_ISR_CHK_EN set to 1 in DEF_ENABLED in os_cfg.h: This function cannot be called from an ISR.
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OS_CFG_FLAG_EN and OS_CFG_FLAG_PEND_ABORT_EN must be enabled in os_cfg.h. Refer to uCµC-OS-III Configuration Manual.
Callers
Application.
Notes/Warnings
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