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fbae8f20d5
Some tests were using dispatch function in CS_DISPATCH_ALL mode without poll/select on fd. This leads to busywait cycle, because CS_DISPATCH_ALL masks CS_ERR_TRY_AGAIN error. Simpliest solution is to use CS_DISPATCH_BLOCKING instead and remove while cycle, because CS_DISPATCH_BLOCKING handles CS_ERR_TRY_AGAIN correctly. Signed-off-by: Jan Friesse <jfriesse@redhat.com> Reviewed-by: Christine Caulfield <ccaulfie@redhat.com>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
#include <config.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <inttypes.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <corosync/corotypes.h>
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#include <corosync/quorum.h>
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static quorum_handle_t g_handle;
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static void quorum_notification_fn(
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quorum_handle_t handle,
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uint32_t quorate,
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uint64_t ring_id,
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uint32_t view_list_entries,
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uint32_t *view_list)
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{
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int i;
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printf("quorum notification called \n");
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printf(" quorate = %lu\n", (long unsigned int) quorate);
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printf(" ring id = " CS_PRI_RING_ID_SEQ "\n", ring_id);
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printf(" num nodes = %lu ", (long unsigned int) view_list_entries);
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for (i=0; i<view_list_entries; i++) {
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printf(" " CS_PRI_NODE_ID, view_list[i]);
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}
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printf("\n");
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}
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int main(int argc, char *argv[])
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{
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int quorate;
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quorum_callbacks_t callbacks;
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uint32_t quorum_type;
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int err;
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callbacks.quorum_notify_fn = quorum_notification_fn;
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if ( (err=quorum_initialize(&g_handle, &callbacks, &quorum_type)) != CS_OK)
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fprintf(stderr, "quorum_initialize FAILED: %d\n", err);
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if ( (err=quorum_trackstart(g_handle, CS_TRACK_CHANGES)) != CS_OK)
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fprintf(stderr, "quorum_trackstart FAILED: %d\n", err);
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if ( (err=quorum_getquorate(g_handle, &quorate)) != CS_OK)
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fprintf(stderr, "quorum_getquorate FAILED: %d\n", err);
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else {
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printf("quorate %d\n", quorate);
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}
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printf("Waiting for quorum events, press ^C to finish\n");
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printf("-------------------\n");
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if (quorum_dispatch(g_handle, CS_DISPATCH_BLOCKING) != CS_OK) {
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fprintf(stderr, "Error from quorum_dispatch\n");
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return -1;
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}
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return 0;
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}
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