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author | bugaevskiy <bugaevskiy@yandex-team.ru> | 2022-02-10 16:46:17 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:46:17 +0300 |
commit | a6e0145a095c7bb3770d6e07aee301de5c73f96e (patch) | |
tree | 1a2c5ffcf89eb53ecd79dbc9bc0a195c27404d0c /contrib/libs/jemalloc/src/log.c | |
parent | c7f68570483e493f4ddaf946de7b3a420ee621b0 (diff) | |
download | ydb-a6e0145a095c7bb3770d6e07aee301de5c73f96e.tar.gz |
Restoring authorship annotation for <bugaevskiy@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/jemalloc/src/log.c')
-rw-r--r-- | contrib/libs/jemalloc/src/log.c | 156 |
1 files changed, 78 insertions, 78 deletions
diff --git a/contrib/libs/jemalloc/src/log.c b/contrib/libs/jemalloc/src/log.c index 36262b76fc..778902fb9b 100644 --- a/contrib/libs/jemalloc/src/log.c +++ b/contrib/libs/jemalloc/src/log.c @@ -1,78 +1,78 @@ -#include "jemalloc/internal/jemalloc_preamble.h" -#include "jemalloc/internal/jemalloc_internal_includes.h" - -#include "jemalloc/internal/log.h" - -char log_var_names[JEMALLOC_LOG_VAR_BUFSIZE]; -atomic_b_t log_init_done = ATOMIC_INIT(false); - -/* - * Returns true if we were able to pick out a segment. Fills in r_segment_end - * with a pointer to the first character after the end of the string. - */ -static const char * -log_var_extract_segment(const char* segment_begin) { - const char *end; - for (end = segment_begin; *end != '\0' && *end != '|'; end++) { - } - return end; -} - -static bool -log_var_matches_segment(const char *segment_begin, const char *segment_end, - const char *log_var_begin, const char *log_var_end) { - assert(segment_begin <= segment_end); - assert(log_var_begin < log_var_end); - - ptrdiff_t segment_len = segment_end - segment_begin; - ptrdiff_t log_var_len = log_var_end - log_var_begin; - /* The special '.' segment matches everything. */ - if (segment_len == 1 && *segment_begin == '.') { - return true; - } - if (segment_len == log_var_len) { - return strncmp(segment_begin, log_var_begin, segment_len) == 0; - } else if (segment_len < log_var_len) { - return strncmp(segment_begin, log_var_begin, segment_len) == 0 - && log_var_begin[segment_len] == '.'; - } else { - return false; - } -} - -unsigned -log_var_update_state(log_var_t *log_var) { - const char *log_var_begin = log_var->name; - const char *log_var_end = log_var->name + strlen(log_var->name); - - /* Pointer to one before the beginning of the current segment. */ - const char *segment_begin = log_var_names; - - /* - * If log_init done is false, we haven't parsed the malloc conf yet. To - * avoid log-spew, we default to not displaying anything. - */ - if (!atomic_load_b(&log_init_done, ATOMIC_ACQUIRE)) { - return LOG_INITIALIZED_NOT_ENABLED; - } - - while (true) { - const char *segment_end = log_var_extract_segment( - segment_begin); - assert(segment_end < log_var_names + JEMALLOC_LOG_VAR_BUFSIZE); - if (log_var_matches_segment(segment_begin, segment_end, - log_var_begin, log_var_end)) { - atomic_store_u(&log_var->state, LOG_ENABLED, - ATOMIC_RELAXED); - return LOG_ENABLED; - } - if (*segment_end == '\0') { - /* Hit the end of the segment string with no match. */ - atomic_store_u(&log_var->state, - LOG_INITIALIZED_NOT_ENABLED, ATOMIC_RELAXED); - return LOG_INITIALIZED_NOT_ENABLED; - } - /* Otherwise, skip the delimiter and continue. */ - segment_begin = segment_end + 1; - } -} +#include "jemalloc/internal/jemalloc_preamble.h" +#include "jemalloc/internal/jemalloc_internal_includes.h" + +#include "jemalloc/internal/log.h" + +char log_var_names[JEMALLOC_LOG_VAR_BUFSIZE]; +atomic_b_t log_init_done = ATOMIC_INIT(false); + +/* + * Returns true if we were able to pick out a segment. Fills in r_segment_end + * with a pointer to the first character after the end of the string. + */ +static const char * +log_var_extract_segment(const char* segment_begin) { + const char *end; + for (end = segment_begin; *end != '\0' && *end != '|'; end++) { + } + return end; +} + +static bool +log_var_matches_segment(const char *segment_begin, const char *segment_end, + const char *log_var_begin, const char *log_var_end) { + assert(segment_begin <= segment_end); + assert(log_var_begin < log_var_end); + + ptrdiff_t segment_len = segment_end - segment_begin; + ptrdiff_t log_var_len = log_var_end - log_var_begin; + /* The special '.' segment matches everything. */ + if (segment_len == 1 && *segment_begin == '.') { + return true; + } + if (segment_len == log_var_len) { + return strncmp(segment_begin, log_var_begin, segment_len) == 0; + } else if (segment_len < log_var_len) { + return strncmp(segment_begin, log_var_begin, segment_len) == 0 + && log_var_begin[segment_len] == '.'; + } else { + return false; + } +} + +unsigned +log_var_update_state(log_var_t *log_var) { + const char *log_var_begin = log_var->name; + const char *log_var_end = log_var->name + strlen(log_var->name); + + /* Pointer to one before the beginning of the current segment. */ + const char *segment_begin = log_var_names; + + /* + * If log_init done is false, we haven't parsed the malloc conf yet. To + * avoid log-spew, we default to not displaying anything. + */ + if (!atomic_load_b(&log_init_done, ATOMIC_ACQUIRE)) { + return LOG_INITIALIZED_NOT_ENABLED; + } + + while (true) { + const char *segment_end = log_var_extract_segment( + segment_begin); + assert(segment_end < log_var_names + JEMALLOC_LOG_VAR_BUFSIZE); + if (log_var_matches_segment(segment_begin, segment_end, + log_var_begin, log_var_end)) { + atomic_store_u(&log_var->state, LOG_ENABLED, + ATOMIC_RELAXED); + return LOG_ENABLED; + } + if (*segment_end == '\0') { + /* Hit the end of the segment string with no match. */ + atomic_store_u(&log_var->state, + LOG_INITIALIZED_NOT_ENABLED, ATOMIC_RELAXED); + return LOG_INITIALIZED_NOT_ENABLED; + } + /* Otherwise, skip the delimiter and continue. */ + segment_begin = segment_end + 1; + } +} |