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Shell Programming and Scripting
Observing error :syntax error in expression
Post 302967851 by ashima jain on Monday 29th of February 2016 08:46:18 AM
02-29-2016
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LEARN ABOUT CENTOS
sam_start
SAM_START(3) Corosync Cluster Engine Programmer's Manual SAM_START(3) NAME
sam_start - Start health checking SYNOPSIS
#include <corosync/sam.h> cs_error_t sam_start (void); DESCRIPTION
The sam_start function is used to start health checking of application. After calling this function, the active process needs to send healthchecks within the registered time interval by calling sam_hc_send(3). If event driven healthchecking is configured by calling sam_register(3), an internal thread will be created and send health check confirmations four times per time_interval. Application must be registered by calling sam_register(3) before this function can be called. An application can always stop health checking by calling the sam_stop(3) function. If SAM is initialized with quorum policy SAM_RECOVERY_POLICY_QUIT or SAM_RECOVERY_POLICY_RESTART sam_start will block until corosync becomes quorate. RETURN VALUE
This call return CS_OK value if successful, otherwise and error is returned. If SAM is initialized with quorum policy, returned error can also be quorum error. ERRORS
CS_ERR_BAD_HANDLE component was not registered by calling sam_register(3) function. SEE ALSO
sam_hc_send(3), sam_stop(3), sam_register(3), sam_hc_callback_register(3) CS_ERR_TRY_AGAIN Resource temporarily unavailable CS_ERR_INVALID_PARAM Invalid argument CS_ERR_ACCESS Permission denied CS_ERR_LIBRARY The connection failed CS_ERR_INTERRUPT System call inturrupted by a signal CS_ERR_NOT_SUPPORTED The requested protocol/functuality not supported CS_ERR_MESSAGE_ERROR Incorrect auth message received CS_ERR_NO_MEMORY Not enough memory to completed the requested task corosync Man Page 30/04/2010 SAM_START(3)