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MINOR: proxy/cli: only take a read lock in "show errors"

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There's no point having an exclusive lock here, nothing is modified.
This commit is contained in:
Willy Tarreau 2020-10-20 17:38:10 +02:00
parent 595e767030
commit 5503908bdc
1 changed files with 3 additions and 3 deletions
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6
src/proxy.c
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@ -2225,7 +2225,7 @@ static int cli_io_handler_show_errors(struct appctx *appctx)
while (appctx->ctx.errors.px) {
struct error_snapshot *es;
HA_RWLOCK_WRLOCK(PROXY_LOCK, &appctx->ctx.errors.px->lock);
HA_RWLOCK_RDLOCK(PROXY_LOCK, &appctx->ctx.errors.px->lock);
if ((appctx->ctx.errors.flag & 1) == 0) {
es = appctx->ctx.errors.px->invalid_req;
@ -2335,7 +2335,7 @@ static int cli_io_handler_show_errors(struct appctx *appctx)
appctx->ctx.errors.bol = newline;
};
next:
HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &appctx->ctx.errors.px->lock);
HA_RWLOCK_RDUNLOCK(PROXY_LOCK, &appctx->ctx.errors.px->lock);
appctx->ctx.errors.bol = 0;
appctx->ctx.errors.ptr = -1;
appctx->ctx.errors.flag ^= 1;
@ -2347,7 +2347,7 @@ static int cli_io_handler_show_errors(struct appctx *appctx)
return 1;
cant_send_unlock:
HA_RWLOCK_WRUNLOCK(PROXY_LOCK, &appctx->ctx.errors.px->lock);
HA_RWLOCK_RDUNLOCK(PROXY_LOCK, &appctx->ctx.errors.px->lock);
cant_send:
si_rx_room_blk(si);
return 0;