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modesFreeClient() optimized to find new maxfd faster.

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antirez 2013-12-14 22:42:54 +01:00
parent eec5a6989f
commit 7d03c180a0
1 changed files with 8 additions and 4 deletions
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12
dump1090.c
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@ -1975,14 +1975,18 @@ void modesFreeClient(int fd) {
if (Modes.debug & MODES_DEBUG_NET) if (Modes.debug & MODES_DEBUG_NET)
printf("Closing client %d\n", fd); printf("Closing client %d\n", fd);
/* If this was our maxfd, rescan the full clients array to check what's /* If this was our maxfd, scan the clients array to find the new max.
* the new max. */ * Note that we are sure there is no active fd greater than the closed
* fd, so we scan from fd-1 to 0. */
if (Modes.maxfd == fd) { if (Modes.maxfd == fd) {
int j; int j;
Modes.maxfd = -1; Modes.maxfd = -1;
for (j = 0; j < MODES_NET_MAX_FD; j++) { for (j = fd-1; j >= 0; j--) {
if (Modes.clients[j]) Modes.maxfd = j; if (Modes.clients[j]) {
Modes.maxfd = j;
break;
}
} }
} }
} }