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Fallback to unbuffered printing if OOM

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Yinan Zhang
2020-01-13 14:23:10 -08:00
parent cd6e908241
commit f81341a48b
4 changed files with 39 additions and 21 deletions
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16
src/jemalloc.c
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@@ -3716,12 +3716,16 @@ je_malloc_stats_print(void (*write_cb)(void *, const char *), void *cbopaque,
char *buf = (char *)iallocztm(tsdn, STATS_PRINT_BUFSIZE,
sz_size2index(STATS_PRINT_BUFSIZE), false, NULL, true,
arena_get(TSDN_NULL, 0, true), true);
buf_write_arg_t buf_arg;
buf_write_init(&buf_arg, write_cb, cbopaque, buf,
STATS_PRINT_BUFSIZE);
stats_print(buf_write_cb, &buf_arg, opts);
buf_write_flush(&buf_arg);
idalloctm(tsdn, buf, NULL, NULL, true, true);
if (buf == NULL) {
stats_print(write_cb, cbopaque, opts);
} else {
buf_write_arg_t buf_arg;
buf_write_init(&buf_arg, write_cb, cbopaque, buf,
STATS_PRINT_BUFSIZE);
stats_print(buf_write_cb, &buf_arg, opts);
buf_write_flush(&buf_arg);
idalloctm(tsdn, buf, NULL, NULL, true, true);
}
}
check_entry_exit_locking(tsdn);