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#include <syscall.h>
#include <signal.h>
#include <errno.h>
extern void ___sig_restore();
extern void ___masksig_restore();
#ifdef PTHREAD_KERNEL
#pragma weak machdep_sys_sigaction = __machdep_sys_sigaction
int
__machdep_sys_sigaction (int sig, struct sigaction *new, struct sigaction *old)
{
if (new)
{
if (new->sa_flags & SA_NOMASK)
new->sa_restorer = ___sig_restore;
else
new->sa_restorer = ___masksig_restore;
}
__asm__ ("movel %1,%/d0\n\t"
"movel %2,%/d1\n\t"
"movel %3,%/d2\n\t"
"movel %4,%/d3\n\t"
"trap #0\n\t"
"movel %/d0,%0"
: "=g" (sig)
: "i" (SYS_sigaction), "g" (sig), "g" (new), "g" (old)
: "%d0", "%d1", "%d2", "%d3");
return sig;
}
#else /* PTHREAD_KERNEL */
#ifdef _POSIX_THREADS
#pragma weak __sigaction
#endif
int
__sigaction(int sig,struct sigaction * new, struct sigaction * old)
{
if (new) {
if (new->sa_flags & SA_NOMASK)
new->sa_restorer=___sig_restore;
else
new->sa_restorer=___masksig_restore;
}
__asm__("movel %1,%/d0\n\t"
"movel %2,%/d1\n\t"
"movel %3,%/d2\n\t"
"movel %4,%/d3\n\t"
"trap #0\n\t"
"movel %/d0,%0"
: "=g" (sig)
:"i" (SYS_sigaction), "g" (sig), "g" (new), "g" (old)
: "%d0", "%d1", "%d2", "%d3");
if (sig>=0)
return 0;
errno = -sig;
return -1;
}
#include <gnu-stabs.h>
#ifdef weak_alias
weak_alias (__sigaction, sigaction);
#endif
#endif /* PTHREAD_KERNEL */
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