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Retry a select() if it returns with EINTR. Fixes IO errors in Xephyr, which is 

often interrupted by timers.
This commit is contained in:
Eric Anholt 2006-04-09 19:51:10 -07:00
parent 66a88ed0e5
commit 8275ac3a4a
2 changed files with 8 additions and 2 deletions
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6
src/xcb_conn.c
View File

@ -253,7 +253,11 @@ int _xcb_conn_wait(XCBConnection *c, pthread_cond_t *cond, struct iovec **vector
}
pthread_mutex_unlock(&c->iolock);
ret = select(c->fd + 1, &rfds, &wfds, 0, 0) > 0;
do {
ret = select(c->fd + 1, &rfds, &wfds, 0, 0);
} while (ret == -1 && errno == EINTR);
if (ret < 0)
ret = 0;
pthread_mutex_lock(&c->iolock);
if(ret)

4
src/xcb_in.c
View File

@ -229,7 +229,9 @@ static int read_block(const int fd, void *buf, const size_t len)
fd_set fds;
FD_ZERO(&fds);
FD_SET(fd, &fds);
ret = select(fd + 1, &fds, 0, 0, 0);
do {
ret = select(fd + 1, &fds, 0, 0, 0);
} while (ret == -1 && errno == EINTR);
}
if(ret <= 0)
return ret;