PR_GET_PDEATHSIG(2const) PR_GET_PDEATHSIG(2const) NAME PR_GET_PDEATHSIG - get the parent-death signal number of the calling process LIBRARY Standard C library (libc, -lc) SYNOPSIS #include /* Definition of PR_* constants */ #include int prctl(PR_GET_PDEATHSIG, int *sig); DESCRIPTION Return the parent-death signal number of the calling process, in the location pointed to by sig. RETURN VALUE On success, 0 is returned. On error, -1 is returned, and errno is set to indicate the error. ERRORS EFAULT sig is an invalid address. STANDARDS Linux. HISTORY Linux 2.3.15. SEE ALSO signal(2), PR_SET_PDEATHSIG(2const) Linux man-pages 6.19 2026-02-08 PR_GET_PDEATHSIG(2const)