acpi_semaphore 177 include/acpi/acglobal.h ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore; acpi_semaphore 54 include/acpi/aclocal.h #define ACPI_GLOBAL_LOCK (acpi_semaphore) (-1) acpi_semaphore 152 include/acpi/acobject.h ACPI_OBJECT_COMMON_HEADER acpi_semaphore os_semaphore; /* Actual OS synchronization object */