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Comments detailing the ages for generational GC

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Plus other comments and small details.
This commit is contained in:
Roberto Ierusalimschy
2023-11-29 16:22:09 -03:00
parent 011850a8f8
commit 63d68bd657
5 changed files with 59 additions and 16 deletions
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5
lauxlib.c
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@@ -1139,12 +1139,11 @@ static unsigned int luai_makeseed (void) {
unsigned int res;
unsigned int i;
time_t t = time(NULL);
void *h = buff;
char *b = (char*)buff;
addbuff(b, h); /* local variable's address */
addbuff(b, b); /* local variable's address */
addbuff(b, t); /* time */
/* fill (rare but possible) remain of the buffer with zeros */
memset(b, 0, BUFSEED * sizeof(int) - BUFSEEDB);
memset(b, 0, sizeof(buff) - BUFSEEDB);
res = buff[0];
for (i = 0; i < BUFSEED; i++)
res ^= (res >> 3) + (res << 7) + buff[i];