acpi_os_signal_semaphore
(void)acpi_os_signal_semaphore(info->info_gate, 1);
(void)acpi_os_signal_semaphore(info->thread_complete_gate, 1);
status = acpi_os_signal_semaphore(info->main_thread_gate, 1);
status = acpi_os_signal_semaphore(acpi_gbl_global_lock_semaphore, 1);
acpi_os_signal_semaphore(obj_desc->event.os_semaphore, 1);
acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
#define acpi_os_release_mutex(handle) (void) acpi_os_signal_semaphore (handle, 1)
acpi_os_signal_semaphore(handle, 1);