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Top Forums Programming Segmentation Fault (core dumped) Post 96462 by blowtorch on Friday 20th of January 2006 06:23:18 AM
Old 01-20-2006
Trying to read from an illegal memory location will cause this fault. i.e.

Quote:
1. If you fopen a file, it fails and the file pointer returned is NULL and you try to read from that file pointer. This will give you a segmentation fault.
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scds_pmf_restart_fm(3HA)				 Sun Cluster HA and Data Services				  scds_pmf_restart_fm(3HA)

NAME
scds_pmf_restart_fm - restart fault monitor using PMF SYNOPSIS
cc [flags...] -I /usr/cluster/include file -L /usr/cluster/lib -l dsdev #include <rgm/libdsdev.h> scha_err_t scds_pmf_restart_fm(scds_handle_t handle, int instance DESCRIPTION
The scds_pmf_restart_fm() function sends a SIGKILL signal to the fault monitor process tree to kill the fault monitor and then uses PMF to restart it. This function uses the MONITOR_STOP_TIMEOUT property as its timeout value. That is, scds_pmf_restart_fm() waits at most the value of the MONITOR_STOP_TIMEOUT property for the process tree to die. If the MONITOR_STOP_TIMEOUT property is not explicitly set in the RTR file, the default timeout value is used. One way to use this function is to call it in an UPDATE method to restart the monitor, possibly with new parameters. PARAMETERS
The following parameters are supported: handle The handle returned from scds_initialize() instance For resources with multiple instances of the fault monitor, this integer, starting at 0, uniquely identifies the fault monitor instance. For single instance fault monitors, use 0. RETURN VALUES
The scds_pmf_restart_fm() function returns the following: 0 The function succeeded. non-zero The function failed. ERRORS
SCHA_ERR_NOERR Function succeeded See scha_calls(3HA) for a description of other error codes. FILES
/usr/cluster/include/rgm/libdsdev.h Include file /usr/cluster/lib/libdsdev.so Library ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscdev | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ SEE ALSO
pmfadm(1M), scha_calls(3HA), signal(3HEAD), attributes(5) , r_properties(5) Sun Cluster 3.2 7 Sep 2007 scds_pmf_restart_fm(3HA)
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