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busy loop on EAGAIN when srfi-18 isn't loaded instead of returning EOF

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This commit is contained in:
Alex Shinn 2012-08-07 22:30:34 +09:00
parent f60617815d
commit 9510e5b5c2
1 changed files with 10 additions and 9 deletions
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13
vm.c
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@ -1922,9 +1922,9 @@ sexp sexp_apply (sexp ctx, sexp proc, sexp args) {
if (i == EOF) {
#if SEXP_USE_GREEN_THREADS
if ((sexp_port_stream(_ARG2) ? ferror(sexp_port_stream(_ARG2)) : 1)
&& (errno == EAGAIN)
&& sexp_applicablep(sexp_global(ctx, SEXP_G_THREADS_BLOCKER))) {
&& (errno == EAGAIN)) {
if (sexp_port_stream(_ARG1)) clearerr(sexp_port_stream(_ARG2));
if (sexp_applicablep(sexp_global(ctx, SEXP_G_THREADS_BLOCKER)))
sexp_apply1(ctx, sexp_global(ctx, SEXP_G_THREADS_BLOCKER), _ARG2);
fuel = 0;
ip--; /* try again */
@ -2002,9 +2002,10 @@ sexp sexp_apply (sexp ctx, sexp proc, sexp args) {
if (i == EOF) {
#if SEXP_USE_GREEN_THREADS
if ((sexp_port_stream(_ARG1) ? ferror(sexp_port_stream(_ARG1)) : 1)
&& (errno == EAGAIN)
&& sexp_applicablep(sexp_global(ctx, SEXP_G_THREADS_BLOCKER))) {
&& (errno == EAGAIN)) {
if (sexp_port_stream(_ARG1)) clearerr(sexp_port_stream(_ARG1));
/* TODO: block and unblock */
if (sexp_applicablep(sexp_global(ctx, SEXP_G_THREADS_BLOCKER)))
sexp_apply1(ctx, sexp_global(ctx, SEXP_G_THREADS_BLOCKER), _ARG1);
fuel = 0;
ip--; /* try again */
@ -2027,9 +2028,9 @@ sexp sexp_apply (sexp ctx, sexp proc, sexp args) {
if (i == EOF) {
#if SEXP_USE_GREEN_THREADS
if ((sexp_port_stream(_ARG1) ? ferror(sexp_port_stream(_ARG1)) : 1)
&& (errno == EAGAIN)
&& sexp_applicablep(sexp_global(ctx, SEXP_G_THREADS_BLOCKER))) {
&& (errno == EAGAIN)) {
if (sexp_port_stream(_ARG1)) clearerr(sexp_port_stream(_ARG1));
if (sexp_applicablep(sexp_global(ctx, SEXP_G_THREADS_BLOCKER)))
sexp_apply1(ctx, sexp_global(ctx, SEXP_G_THREADS_BLOCKER), _ARG1);
fuel = 0;
ip--; /* try again */