1992/0108/pc/trap.c (diff list | history)

1992/0104/sys/src/9/pc/trap.c:8,14 – 1992/0108/sys/src/9/pc/trap.c:8,13 (short | long | prev | next)
1991/0720		#include "errno.h"
1991/0613
1991/0720		void noted(Ureg*, ulong); void notify(Ureg*);
1991/0731		void intr0(void), intr1(void), intr2(void), intr3(void); void intr4(void), intr5(void), intr6(void), intr7(void);
1992/0104/sys/src/9/pc/trap.c:242,248 – 1992/0108/sys/src/9/pc/trap.c:241,247
1991/0801		(*ivec[v])(ur);
1991/0910
1991/0913		/*
1992/0104		* check user since syscall does it's own notifying
1992/0108		* check user since syscall does its own notifying
1991/0913		*/
1992/0104		if(user && (u->p->procctl || u->nnote))
1991/0910		notify(ur);
1992/0104/sys/src/9/pc/trap.c:352,358 – 1992/0108/sys/src/9/pc/trap.c:351,357
1991/0720		* Call user, if necessary, with note. * Pass user the Ureg struct and the note on his stack. */
1991/0710		void
1992/0108		int
1991/0720		notify(Ureg *ur)
1991/0710		{
1991/1218		int l;
1992/0104/sys/src/9/pc/trap.c:361,368 – 1992/0108/sys/src/9/pc/trap.c:360,367
1991/0720
1991/1112		if(u->p->procctl) procctl(u->p); if(u->nnote==0)
1991/0720		return;
1992/0108		if(u->nnote == 0) return 0;
1991/1114		s = spllo();
1991/1216		qlock(&u->p->debug);
1992/0104/sys/src/9/pc/trap.c:414,419 – 1992/0108/sys/src/9/pc/trap.c:413,419
1991/0720		}
1991/1216		qunlock(&u->p->debug);
1991/1114		splx(s);
1992/0108		return 1;
1991/0710		}
1991/0720		/*