Thread #1 is the program's root thread

Thread #1's call to sem_init failed
   with error code 22 (EINVAL: Invalid argument)
   at 0x........: sem_init@* (hg_intercepts.c:...)
   by 0x........: main (tc18_semabuse.c:23)

Thread #1: Bug in libpthread: sem_wait succeeded on semaphore without prior sem_post
   at 0x........: sem_wait_WRK (hg_intercepts.c:...)
   by 0x........: sem_wait@* (hg_intercepts.c:...)
   by 0x........: main (tc18_semabuse.c:34)

ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)