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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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13
tool/build/lib/fds.c
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@ -25,26 +25,21 @@ int MachineFdAdd(struct MachineFds *mf) {
int fd;
struct MachineFdClosed *closed;
if ((closed = mf->closed)) {
DCHECK_LT(closed->fd, mf->i);
fd = closed->fd;
mf->closed = closed->next;
free(closed);
} else {
DCHECK_LE(mf->i, mf->n);
if (mf->i == mf->n) {
if (!__grow(&mf->p, &mf->n, sizeof(struct MachineFd), 0)) {
return -1;
}
fd = mf->i;
if (mf->i++ == mf->n) {
mf->n = mf->i + (mf->i >> 1);
mf->p = realloc(mf->p, mf->n * sizeof(*mf->p));
}
fd = mf->i++;
}
return fd;
}
void MachineFdRemove(struct MachineFds *mf, int fd) {
struct MachineFdClosed *closed;
DCHECK_GE(fd, 0);
DCHECK_LT(fd, mf->i);
mf->p[fd].cb = NULL;
if ((closed = malloc(sizeof(struct MachineFdClosed)))) {
closed->fd = fd;