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Manual Reference Pages  -  GEARMAN_CLIENT_DO_HIGH (3)

NAME

gearman_client_do_high - Gearmand Documentation, http://gearman.info/ \$1 \n[an-margin] level \n[rst2man-indent-level] level margin: \n[rst2man-indent\n[rst2man-indent-level]] - \n[rst2man-indent0] \n[rst2man-indent1] \n[rst2man-indent2]

CONTENTS

Synopsis
Description
Return Value
Example
Home
Author
Copyright

SYNOPSIS

#include <libgearman/gearman.h>
void *gearman_client_do(gearman_client_st *client, const char *function_name, const char *unique, const void *workload, size_t workload_size, size_t *result_size, gearman_return_t *ret_ptr)
 

Changed in version 0.21: GEARMAN_PAUSE will no longer be returned. A do operation will now run till completion or error.
void *gearman_client_do_high(gearman_client_st *client, const char *function_name, const char *unique, const void *workload, size_t workload_size, size_t *result_size, gearman_return_t *ret_ptr)
 
void *gearman_client_do_low(gearman_client_st *client, const char *function_name, const char *unique, const void *workload, size_t workload_size, size_t *result_size, gearman_return_t *ret_ptr)
 

DESCRIPTION

 gearman_client_do() executes a single request to the gearmand server and waits for a reply.

 gearman_client_do_high() and  gearman_client_do_low() are identical to  gearman_client_do(), only they set the priority to either high or low.

All of the functions will block until either a response or an error is returned.

RETURN VALUE

 gearman_client_do() returns a pointer to a value that the caller must release. If ret_ptr is provided any errors that have occurred will be stored in it. Since a NULL/zero value is a valid value, you will always need to check ret_ptr if you are concerned with errors.

EXAMPLE


/*
# Gearman server and library
# Copyright (C) 2012 Data Differential, http://datadifferential.com/
# All rights reserved.
#
# Use and distribution licensed under the BSD license.  See
# the COPYING file in this directory for full text.
*/

#include <string.h> #include <stdlib.h> #include <libgearman/gearman.h>

int main(void) { gearman_client_st *client= gearman_client_create(NULL);

gearman_return_t ret= gearman_client_add_server(client, "localhost", 0); if (gearman_failed(ret)) { return EXIT_FAILURE; }

size_t result_size; gearman_return_t rc; void *value= gearman_client_do(client, "reverse_function", "unique_value", "my string to reverse", strlen("my string to reverse"), &result_size, &rc);

if (gearman_success(rc)) { // Make use of value } free(value);

gearman_client_free(client);

return 0; }

HOME

To find out more information please check:  http://gearman.info/
See also

gearmand(8) libgearman(3) gearman_strerror(3)

AUTHOR

Data Differential http://www.datadifferential.com/

COPYRIGHT

2011-2013, Data Differential, http://www.datadifferential.com/
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1.1.8 GEARMAN_CLIENT_DO_HIGH (3) June 06, 2013

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