text: #include <signal.h>
  #include <string.h>
  #include <unistd.h>
  #include "syscall.h"
  #include "pthread_impl.h"
  
  int sigqueue(pid_t pid, int sig, const union sigval value)
  {
  	siginfo_t si;
  	sigset_t set;
  	int r;
  	memset(&si, 0, sizeof si);
  	si.si_signo = sig;
  	si.si_code = SI_QUEUE;
  	si.si_value = value;
  	si.si_uid = getuid();
  	__block_app_sigs(&set);
  	si.si_pid = getpid();
  	r = syscall(SYS_rt_sigqueueinfo, pid, sig, &si);
  	__restore_sigs(&set);
  	return r;
  }
  