File: sigsuspend.c

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#include <syscall.h>
#include <sys/signal.h>

int sigsuspend(const sigset_t *sigmask)
{
	int res;

	__asm__ volatile ("mov %1, %%g1\n\t"
			  "mov %2, %%o0\n\t"
			  "t 0x10\n\t\n\t"
			  "mov %%o0, %0\n\t"
			  : "=r" (res)
			  : "0" (SYS_sigsuspend),
			    "r" (*sigmask)
			  : "g1", "o0");
	if (res >= 0)
		return res;
	errno = -res;
	return -1;
}