.TH "libnvme_privsep_spawn" 9 "libnvme_privsep_spawn" "October 2026" "libnvme API manual" LINUX
.SH NAME
libnvme_privsep_spawn \- Start the privilege separation helper
.SH SYNOPSIS
.B "int" libnvme_privsep_spawn
.BI "(const char *helper "  ","
.BI "struct libnvme_privsep **psp "  ");"
.SH ARGUMENTS
.IP "helper" 12
Path of the helper binary or NULL for the installed helper
.IP "psp" 12
On success, the helper channel
.SH "DESCRIPTION"
Starts the helper as a child process and checks that it speaks the same
protocol version. The helper inherits the credentials of the caller, so
call this function before dropping privileges.
.SH "RETURN"
0 on success or a negative error code otherwise.