sigsuspend(2)

DESCRIPTION

Temporarily replaces the mask and waits for a signal.

SYNOPSIS

long sigsuspend(const uint32_t *mask);

RETURN VALUE

• Returns a non-negative result on success. Negative values are ABI errno codes.

ERRORS

• -EFAULT
  • The mask pointer is not readable userspace memory.
• -EINTR
  • A signal interrupted the suspended thread.
• -ESRCH
  • There is no current process or thread.

ABI

Arguments enter through the direct syscall ABI; validation is performed before entering the process subsystem.