6b72f0ad34
Add WiredTiger helper functions set set line buffering and turn off buffering (wrappers for setvbuf), then add style tests so we never call setvbuf directly, to avoid re-introducing the problems in WT-2517. Add a new WiredTiger open-handle flag, WT_STREAM_LINE_BUFFER, which allows the Btree debug code to set line-buffering on its debug stream.
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*-
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* Public Domain 2014-2016 MongoDB, Inc.
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* Public Domain 2008-2014 WiredTiger, Inc.
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*
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* This is free and unencumbered software released into the public domain.
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*
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* Anyone is free to copy, modify, publish, use, compile, sell, or
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* distribute this software, either in source code form or as a compiled
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* binary, for any purpose, commercial or non-commercial, and by any
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* means.
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*
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* In jurisdictions that recognize copyright laws, the author or authors
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* of this software dedicate any and all copyright interest in the
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* software to the public domain. We make this dedication for the benefit
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* of the public at large and to the detriment of our heirs and
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* successors. We intend this dedication to be an overt act of
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* relinquishment in perpetuity of all present and future rights to this
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* software under copyright law.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "wtperf.h"
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/* Setup the logging output mechanism. */
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int
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setup_log_file(CONFIG *cfg)
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{
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int ret;
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char *fname;
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ret = 0;
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if (cfg->verbose < 1)
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return (0);
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fname = dcalloc(strlen(cfg->monitor_dir) +
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strlen(cfg->table_name) + strlen(".stat") + 2, 1);
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sprintf(fname, "%s/%s.stat", cfg->monitor_dir, cfg->table_name);
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cfg->logf = fopen(fname, "w");
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if (cfg->logf == NULL) {
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ret = errno;
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fprintf(stderr, "%s: %s\n", fname, strerror(ret));
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}
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free(fname);
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if (cfg->logf == NULL)
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return (ret);
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/* Use line buffering for the log file. */
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__wt_stream_set_line_buffer(cfg->logf);
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return (0);
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}
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/*
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* Log printf - output a log message.
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*/
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void
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lprintf(const CONFIG *cfg, int err, uint32_t level, const char *fmt, ...)
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{
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va_list ap;
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if (err == 0 && level <= cfg->verbose) {
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va_start(ap, fmt);
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vfprintf(cfg->logf, fmt, ap);
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va_end(ap);
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fprintf(cfg->logf, "\n");
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if (level < cfg->verbose) {
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va_start(ap, fmt);
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vprintf(fmt, ap);
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va_end(ap);
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printf("\n");
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}
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}
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if (err == 0)
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return;
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/* We are dealing with an error. */
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fprintf(stderr, " Error: %s\n", wiredtiger_strerror(err));
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if (cfg->logf != NULL) {
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va_start(ap, fmt);
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vfprintf(cfg->logf, fmt, ap);
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va_end(ap);
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fprintf(cfg->logf, " Error: %s\n", wiredtiger_strerror(err));
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}
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/* Never attempt to continue if we got a panic from WiredTiger. */
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if (err == WT_PANIC)
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abort();
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}
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