new signals make read's restarted, thus must setjmp/longjmp to get

[unix-history] / usr / src / old / sh / fault.c

diff --git a/usr/src/old/sh/fault.c b/usr/src/old/sh/fault.c
index 534bb44..8dfb99f 100644 (file)
--- a/usr/src/old/sh/fault.c
+++ b/usr/src/old/sh/fault.c
@@ -1,4 +1,4 @@
-/*     fault.c 4.1     82/05/07        */
+/*     fault.c 4.2     83/06/10        */

 
 #
 /*
 
 #
 /*


@@ -14,6 +14,7 @@
 
 STRING         trapcom[MAXTRAP];
 BOOL           trapflg[MAXTRAP];
 
 STRING         trapcom[MAXTRAP];
 BOOL           trapflg[MAXTRAP];

+BOOL           trapjmp[MAXTRAP];

 
 /* ========    fault handling routines    ======== */
 
 
 /* ========    fault handling routines    ======== */
 


@@ -23,7 +24,6 @@ VOID  fault(sig)
 {
        REG INT         flag;
 
 {
        REG INT         flag;
 

-       signal(sig,fault);

        IF sig==MEMF
        THEN    IF setbrk(brkincr) == -1
                THEN    error(nospace);
        IF sig==MEMF
        THEN    IF setbrk(brkincr) == -1
                THEN    error(nospace);


@@ -36,6 +36,11 @@ VOID fault(sig)
                trapnote |= flag;
                trapflg[sig] |= flag;
        FI
                trapnote |= flag;
                trapflg[sig] |= flag;
        FI

+       IF trapjmp[sig] ANDF sig==INTR
+       THEN
+               trapjmp[sig] = 0;
+               longjmp(INTbuf, 1);
+       FI

 }
 
 stdsigs()
 }
 
 stdsigs()