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Added some tweaks to file locking.

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default 2022-11-26 19:19:52 +01:00
parent 2ad703e520
commit e8c487add7
1 changed files with 8 additions and 0 deletions
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8
data.c
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@ -218,6 +218,9 @@ int index_add_md5(const char *fn, const char *md5)
if ((f = fopen(fn, "a")) != NULL) {
flock(fileno(f), LOCK_EX);
/* ensure the position is at the end after getting the lock */
fseek(f, 0, SEEK_END);
fprintf(f, "%s\n", md5);
fclose(f);
}
@ -314,6 +317,8 @@ int index_first(const char *fn, char *line, int size)
int ret = 0;
if ((f = fopen(fn, "r")) != NULL) {
flock(fileno(f), LOCK_SH);
if (fgets(line, size, f) != NULL) {
line[32] = '\0';
ret = 1;
@ -786,6 +791,9 @@ int timeline_del(snac *snac, char *id)
object_user_cache_del(snac, id, "public");
object_user_cache_del(snac, id, "private");
/* NOTE: this is a good place to count the # of links
of the object and object_del() it if it's < 2 */
return ret;
}