https://issues.apache.org/bugzilla/show_bug.cgi?id=56684
--- Comment #3 from Gustavo Lopes <gust...@thehyve.nl> ---
The strace output may actually be a bug in strace because poll() takes a signed
int as timeout; it would seem strace is interpreting the value as an unsigned
int. Indeed:
$ cat a.c && gcc a.c && strace ./a.out
#include <poll.h>
#include <stdio.h>
void main() {
struct pollfd fd = { .fd = fileno(stdin), .events = POLLIN };
int timeout = -1;
poll(&fd, 1, timeout);
}
execve("./a.out", ["./a.out"], [/* 57 vars */]) = 0
brk(0) = 0xeb5000
(...)
poll([{fd=0, events=POLLIN}], 1, 4294967295^CProcess 6565 detached
That leaves me (short of a bug in glibc or the kernel) with no explanation for
the exception I got, which takes quite a while to reproduce, though if poll
doesn't use the monotonic clock, there may be an faster way. I'll check
tomorrow.
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