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Add syscalls to Blinkenlights and fix bugs

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This commit is contained in:
Justine Tunney 2022-05-13 13:31:21 -07:00
parent f6df29cc3d
commit 578cb21591
25 changed files with 187 additions and 108 deletions
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18
libc/testlib/testmain.c
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@ -35,6 +35,7 @@
#include "libc/log/log.h"
#include "libc/macros.internal.h"
#include "libc/mem/mem.h"
#include "libc/nexgen32e/vendor.internal.h"
#include "libc/nexgen32e/x86feature.h"
#include "libc/runtime/internal.h"
#include "libc/runtime/memtrack.internal.h"
@ -71,7 +72,7 @@ static bool runbenchmarks_;
void PrintUsage(int rc, FILE *f) {
fputs("Usage: ", f);
fputs(program_invocation_name, f);
fputs(firstnonnull(program_invocation_name, "unknown"), f);
fputs(USAGE, f);
exit(rc);
}
@ -102,17 +103,26 @@ static void EmptySignalMask(void) {
}
static void FixIrregularFds(void) {
int i;
int i, fd;
struct pollfd pfds[64];
for (i = 0; i < 3; ++i) {
if (fcntl(0, F_GETFL) == -1) {
CHECK_EQ(0, open("/dev/null", O_RDWR));
if (fcntl(i, F_GETFL) == -1) {
errno = 0;
fd = open("/dev/null", O_RDWR);
CHECK_NE(-1, fd);
if (fd != i) {
close(fd);
}
}
}
for (i = 0; i < ARRAYLEN(pfds); ++i) {
pfds[i].fd = i + 3;
pfds[i].events = POLLIN;
}
if (IsGenuineCosmo()) {
// TODO(jart): Fix Blinkenlights poll() / close()
return;
}
if (poll(pfds, ARRAYLEN(pfds), 0) != -1) {
for (i = 0; i < ARRAYLEN(pfds); ++i) {
if (pfds[i].revents & POLLNVAL) continue;