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Do away with the killval hack.

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This now uses the same approach to detect a kill as libkrocif.
This commit is contained in:
Adam Sampson 2008-03-12 16:43:15 +00:00
parent 006559271d
commit b814e81bec
1 changed files with 11 additions and 8 deletions
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19
support/tock_support_cif.h
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@ -48,6 +48,11 @@ static inline void tock_init_chan_array (Channel *pointTo, Channel **pointFrom,
//}}}
//{{{ top-level process interface
static void tock_tlp_input_bcall (FILE *in, int *ch) occam_unused;
static void tock_tlp_input_bcall (FILE *in, int *ch) {
*ch = fgetc (in);
}
static void tock_tlp_input (Workspace wptr) occam_unused;
static void tock_tlp_input (Workspace wptr) {
Channel *out = ProcGetParam (wptr, 0, Channel *);
@ -55,16 +60,14 @@ static void tock_tlp_input (Workspace wptr) {
FILE *in = ProcGetParam (wptr, 2, FILE *);
while (true) {
uint8_t ch;
KillableBlockingCallN (wptr, fread, kill, 4, &ch, sizeof ch, 1, in);
// Check if the call was killed.
// FIXME: This is a hack; it should be a proper CCSP function.
const word killval = *kill;
if (killval == 1 || killval == 2)
int ch = -1;
KillableBlockingCallN (wptr, tock_tlp_input_bcall, kill, 2, in, &ch);
if (ch == -1) {
// The call was killed -- exit.
break;
}
ChanOut (wptr, out, &ch, sizeof ch);
ChanOutChar (wptr, out, ch);
}
}