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libc: only print debug info in poll with __libc_debug

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This commit is contained in:
K. Lange 2023-04-18 19:40:25 +09:00
parent ccb361fb3b
commit a2c5a4ab87
1 changed files with 5 additions and 1 deletions
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6
libc/poll/poll.c
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@ -20,6 +20,8 @@ static char * poll_print_flags(int flags) {
return buf;
}
extern int __libc_debug;
int poll(struct pollfd *fds, nfds_t nfds, int timeout) {
int count_pollin = 0;
@ -33,7 +35,9 @@ int poll(struct pollfd *fds, nfds_t nfds, int timeout) {
for (nfds_t i = 0; i < nfds; ++i) {
if (fds[i].events & (~POLLIN)) {
if (fds[i].events == (POLLIN | POLLPRI)) continue;
fprintf(stderr, "%s: poll: unsupported bit set in fds: %s\n", _argv_0, poll_print_flags(fds[i].events));
if (__libc_debug) {
fprintf(stderr, "%s: poll: unsupported bit set in fds: %s\n", _argv_0, poll_print_flags(fds[i].events));
}
if ((fds[i].events & POLLOUT) && nfds == 1) {
fds[i].revents |= POLLOUT;
return 1;