Symbol: POSIX_SPAWN_SETSIGMASK
src/system/libroot/posix/spawn.cpp
302
| POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK
src/system/libroot/posix/spawn.cpp
408
if ((attr->flags & POSIX_SPAWN_SETSIGMASK) != 0)