Changeset: 95a3c03ca5ea for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=95a3c03ca5ea
Modified Files:
gdk/gdk_system.c
Branch: Oct2020
Log Message:
Trade space for speed.
diffs (59 lines):
diff --git a/gdk/gdk_system.c b/gdk/gdk_system.c
--- a/gdk/gdk_system.c
+++ b/gdk/gdk_system.c
@@ -179,6 +179,7 @@ static struct winthread {
struct winthread *joinwait; /* process we are joining with */
const char *working; /* what we're currently doing */
char algorithm[512]; /* the algorithm used in the last operation */
+ size_t algolen; /* length of string in .algorithm */
ATOMIC_TYPE exited;
bool detached:1, waiting:1;
char threadname[MT_NAME_LEN];
@@ -293,13 +294,14 @@ MT_thread_setalgorithm(const char *algo)
if (w) {
if (algo) {
- size_t l = strlen(w->algorithm);
- if (l > 0)
- strconcat_len(w->algorithm + l,
sizeof(w->algorithm) - l, "; ", algo, NULL);
- else
- strcpy_len(w->algorithm, algo,
sizeof(w->algorithm));
+ if (w->algolen > 0) {
+ if (w->algolen < sizeof(w->algorithm))
+ w->algolen +=
strconcat_len(w->algorithm + l, sizeof(w->algorithm) - l, "; ", algo, NULL);
+ } else
+ w->algolen = strcpy_len(w->algorithm, algo,
sizeof(w->algorithm));
} else {
w->algorithm[0] = 0;
+ w->algolen = 0;
}
}
}
@@ -537,6 +539,7 @@ static struct posthread {
struct posthread *joinwait; /* process we are joining with */
const char *working; /* what we're currently doing */
char algorithm[512]; /* the algorithm used in the last operation */
+ size_t algolen; /* length of string in .algorithm */
char threadname[MT_NAME_LEN];
pthread_t tid;
MT_Id mtid;
@@ -661,13 +664,14 @@ MT_thread_setalgorithm(const char *algo)
if (p) {
if (algo) {
- size_t l = strlen(p->algorithm);
- if (l > 0)
- strconcat_len(p->algorithm + l,
sizeof(p->algorithm) - l, "; ", algo, NULL);
- else
- strcpy_len(p->algorithm, algo,
sizeof(p->algorithm));
+ if (p->algolen > 0) {
+ if (p->algolen < sizeof(p->algorithm))
+ p->algolen +=
strconcat_len(p->algorithm + p->algolen, sizeof(p->algorithm) - p->algolen, ";
", algo, NULL);
+ } else
+ p->algolen = strcpy_len(p->algorithm, algo,
sizeof(p->algorithm));
} else {
p->algorithm[0] = 0;
+ p->algolen = 0;
}
}
}
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