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journald: Increase stdout buffer size sooner, when almost full 

If the previous received buffer length is almost equal to the allocated
buffer size, before this change the next read can only receive a couple
of bytes (in the worst case only 1 byte), which is not efficient.
This commit is contained in:
Benjamin Robin 2020-05-03 18:37:21 +02:00 committed by Lennart Poettering
parent e65848175f
commit 034e9719ac
1 changed files with 2 additions and 2 deletions
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4
src/journal/journald-stream.c
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@ -511,8 +511,8 @@ static int stdout_stream_process(sd_event_source *es, int fd, uint32_t revents,
goto terminate;
}
/* If the buffer is full already (discounting the extra NUL we need), add room for another 1K */
if (s->length + 1 >= s->allocated) {
/* If the buffer is almost full, add room for another 1K */
if (s->length + 512 >= s->allocated) {
if (!GREEDY_REALLOC(s->buffer, s->allocated, s->length + 1 + 1024)) {
log_oom();
goto terminate;