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Get redbean -X running in blinkenlights again

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This change improves the loading of APE executables in Blinkenlights and
adds some system call wrappers that were previous missing.
This commit is contained in:
Justine Tunney 2022-07-16 11:51:26 -07:00
parent 4700984456
commit 866b21a151
3 changed files with 120 additions and 5 deletions
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11
libc/log/backtrace2.c
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@ -115,8 +115,15 @@ static int PrintBacktraceUsingAddr2line(int fd, const struct StackFrame *bp) {
j += uint64toarray_radix16(addr - 1, buf + j) + 1;
}
argv[i++] = NULL;
if (sys_pipe(pipefds) == -1) return -1;
if (!(pid = vfork())) {
if (sys_pipe(pipefds) == -1) {
return -1;
}
if ((pid = vfork()) == -1) {
sys_close(pipefds[0]);
sys_close(pipefds[1]);
return -1;
}
if (!pid) {
sys_dup2(pipefds[1], 1);
if (pipefds[0] != 1) sys_close(pipefds[0]);
if (pipefds[1] != 1) sys_close(pipefds[1]);