Thread mutex type (opaque).
Source position: pmutext.inc line 32
| type pthread_mutex_t = record | ||
| case Byte of | ||
| 0: ( | ||
| __size: array [0..40-1] of AnsiChar; | ||
| ); | ||
| 1: ( | ||
| __align: SizeInt; | ||
| ); | ||
| 2: ( | ||
| pad1: LongInt; | ||
| pad2: LongInt; | ||
| pad3: LongInt; | ||
| pad4: LongInt; | ||
| __m_kind: LongInt; | 
 | ? | 
| ); | ||
| end; | 
_pthread_mutex_t describes a thread mutex. It should be considered an opaque record, the names of the fields can change anytime.